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汽车专业外文翻译(中英文翻译)

附录1外文翻译Automobile Brake SystemThe braking system is the most important system in cars. If the brakes fail, the result can be disastrous. Brakes are actually energy conversion devices, which convert the kinetic energy (momentum) of the vehicle into thermal energy (heat).When stepping on the brakes, the driver commands a stopping force ten times as powerful as the force that puts the car in motion. The braking system can exert thousands of pounds of pressure on each of the four brakes.Two complete independent braking systems are used on the car. They are the service brake and the parking brake.The service brake acts to slow, stop, or hold the vehicle during normal driving. They are foot-operated by the driver depressing and releasing the brake pedal. The primary purpose of the brake is to hold the vehicle stationary while it is unattended. The parking brake is mechanically operated by when a separate parking brake foot pedal or hand lever is set.The brake system is composed of the following basic components: the “master cylinder” which is located under the hood, and is directly connected to the brake pedal, converts driver foot’s mechanical pressure into hydraulic pressure. Steel “brake lines” and flexible “brake hoses”connect the master cylinder to the “slave cylinders” located at each wheel. Brake fluid, specially designed to work in extreme conditions, fills the system. “Shoes” and “pads” are pushed by the slave cylinders to contact the “drums” and “rotors” thus causing drag, which (hopefully) slows the car.The typical brake system consists of disk brakes in front and either disk or drum brakes in the rear connected by a system of tubes and hoses that link the brake at each wheel to the master cylinder (Figure).Basically, all car brakes are friction brakes. When the driver applies the brake, the control device forces brake shoes, or pads, against the rotating brake drum or disks at wheel. Frictionbetween the shoes or pads and the drums or disks then slows or stops the wheel so that the car is braked.In most modern brake systems (see Figure 15.1), there is a fluid-filled cylinder, called master cylinder, which contains two separate sections, there is a piston in each section and both pistons are connected to a brake pedal in the driver’s compartment. When the brake is pushed down, brake fluid is sent from the master cylinder to the wheels. At the wheels, the fluid pushes shoes, or pads, against revolving drums or disks. The friction between the stationary shoes, or pads, and the revolving drums or disks slows and stops them. This slows or stops the revolving wheels, which, in turn, slow or stop the car.The brake fluid reservoir is on top of the master cylinder. Most cars today have a transparent r reservoir so that you can see the level without opening the cover. The brake fluid level will drop slightly as the brake pads wear. This is a normal condition and no cause for concern. If the level drops noticeably over a short period of time or goes down to about two thirds full, have your brakes checked as soon as possible. Keep the reservoir covered except for the amount of time you need to fill it and never leave a cam of brake fluid uncovered. Brake fluid must maintain a very high boiling point. Exposure to air will cause the fluid to absorb moisture which will lower that boiling point.The brake fluid travels from the master cylinder to the wheels through a series of steel tubes and reinforced rubber hoses. Rubber hoses are only used in places that require flexibility, such as at the front wheels, which move up and down as well as steer. The rest of the system uses non-corrosive seamless steel tubing with special fittings at all attachment points. If a steel line requires a repair, the best procedure is to replace the compete line. If this is not practical, a line can be repaired using special splice fittings that are made for brake system repair. You must never use copper tubing to repair a brake system. They are dangerous and illegal.Drum brakes, it consists of the brake drum, an expander, pull back springs, a stationary back plate, two shoes with friction linings, and anchor pins. The stationary back plate is secured to the flange of the axle housing or to the steering knuckle. The brake drum is mounted on the wheel hub. There is a clearance between the inner surface of the drum and the shoe lining. To apply brakes, the driver pushes pedal, the expander expands the shoes and presses them to the drum. Friction between the brake drum and the friction linings brakes the wheels and the vehicle stops. To release brakes, the driver release the pedal, the pull back spring retracts the shoes thus permitting free rotation of the wheels.Disk brakes, it has a metal disk instead of a drum. A flat shoe, or disk-brake pad, is located on each side of the disk. The shoes squeeze the rotating disk to stop the car. Fluid from the master cylinder forces the pistons to move in, toward the disk. This action pushes the friction pads tightly against the disk. The friction between the shoes and disk slows and stops it. This provides the braking action. Pistons are made of either plastic or metal. There are three general types of disk brakes. They are the floating-caliper type, the fixed-caliper type, and the sliding-caliper type. Floating-caliper and sliding-caliper disk brakes use a single piston. Fixed-caliper disk brakes have either two or four pistons.The brake system assemblies are actuated by mechanical, hydraulic or pneumatic devices. The mechanical leverage is used in the parking brakes fitted in all automobile. When the brake pedal is depressed, the rod pushes the piston of brake master cylinder which presses the fluid. The fluid flows through the pipelines to the power brake unit and then to the wheel cylinder. The fluidpressure expands the cylinder pistons thus pressing the shoes to the drum or disk. If the pedal is released, the piston returns to the initial position, the pull back springs retract the shoes, the fluid is forced back to the master cylinder and braking ceases.The primary purpose of the parking brake is to hold the vehicle stationary while it is unattended. The parking brake is mechanically operated by the driver when a separate parking braking hand lever is set. The hand brake is normally used when the car has already stopped. A lever is pulled and the rear brakes are approached and locked in the “on” position. The car may now be left without fear of its rolling away. When the driver wants to move the car again, he must press a button before the lever can be released. The hand brake must also be able to stop the car in the event of the foot brake failing. For this reason, it is separate from the foot brake uses cable or rods instead of the hydraulic system.Anti-lock Brake SystemAnti-lock brake systems make braking safer and more convenient, Anti-lock brake systems modulate brake system hydraulic pressure to prevent the brakes from locking and the tires from skidding on slippery pavement or during a panic stop.Anti-lock brake systems have been used on aircraft for years, and some domestic car were offered with an early form of anti-lock braking in late 1990’s. Recently, several automakers have introduced more sophisticated anti-lock system. Investigations in Europe, where anti-lock braking systems have been available for a decade, have led one manufacture to state that the number of traffic accidents could be reduced by seven and a half percent if all cars had anti-lock brakes. So some sources predict that all cars will offer anti-lock brakes to improve the safety of the car.Anti-lock systems modulate brake application force several times per second to hold the tires at a controlled amount of slip; all systems accomplish this in basically the same way. One or more speed sensors generate alternating current signal whose frequency increases with the wheel rotational speed. An electronic control unit continuously monitors these signals and if the frequency of a signal drops too rapidly indicating that a wheel is about to lock, the control unit instructs a modulating device to reduce hydraulic pressure to the brake at the affected wheel. When sensor signals indicate the wheel is again rotating normally, the control unit allows increased hydraulic pressure to the brake. This release-apply cycle occurs several time per second to “pump” the b rakes like a driver might but at a much faster rate.In addition to their basic operation, anti-lock systems have two other things in common. First, they do not operate until the brakes are applied with enough force to lock or nearly lock a wheel. At all other times, the system stands ready to function but does not interfere with normal braking. Second, if the anti-lock system fail in any way, the brakes continue to operate without anti-lock capability. A warning light on the instrument panel alerts the driver when a problem exists in the anti-lock system.The current Bosch component Anti-lock Braking System (ABSⅡ), is a second generation design wildly used by European automakers such as BWM, Mercedes-Benz and Porsche. ABSⅡsystem consists of : four wheel speed sensor, electronic control unit and modulator assembly.A speed sensor is fitted at each wheel sends signals about wheel rotation to control unit. Each speed sensor consists of a sensor unit and a gear wheel. The front sensor mounts to the steering knuckle and its gear wheel is pressed onto the stub axle that rotates with the wheel. The rear sensor mounts the rear suspension member and its gear wheel is pressed onto the axle. The sensor itself is a winding with a magnetic core. The core creates a magnetic field around thewinding, and as the teeth of the gear wheel move through this field, an alternating current is induced in the winding. The control unit monitors the rate o change in this frequency to determine impending brake lockup.The cont rol unit’s function can be divided into three parts: signal processing, logic and safety circuitry. The signal processing section is the converter that receives the alternating current signals form the speed sensors and converts them into digital form for the logic section. The logic section then analyzes the digitized signals to calculate any brake pressure changes needed. If impending lockup is sensed, the logic section sends commands to the modulator assembly.Modulator assemblyThe hydraulic modulator assembly regulates pressure to the wheel brakes when it receives commands from the control utuit. The modulator assembly can maintain or reduce pressure over the level it receives from the master cylinder, it also can never apply the brakes by itself. The modulator assembly consists of three high-speed electric solenoid valves, two fluid reservoirs and a turn delivery pump equipped with inlet and outlet check valves. The modulator electrical connector and controlling relays are concealed under a plastic cover of the assembly.Each front wheel is served by electric solenoid valve modulated independently by the control unit. The rear brakes are served by a single solenoid valve and modulated together using the select-low principle. During anti-braking system operation, the control unit cycles the solenoid valves to either hold or release pressure the brake lines. When pressure is released from the brake lines during anti-braking operation, it is routed to a fluid reservoir. There is one reservoir for the front brake circuit. The reservoirs are low-pressure accumulators that store fluid under slight spring pressure until the return delivery pump can return the fluid through the brake lines to the master cylinder.译文汽车制动系统制动系统是汽车中最重要的系统。

汽车专业用语中英文翻译对照

2009-12-16 11:50发动机 engine内燃机 intenal combusiton engine动力机装置 power unit汽油机 gasoline engine汽油喷射式汽油机 gasoline-injection engine火花点火式发动机 spark ignition engine压燃式发动机 compression ignition engine往复式内燃机 reciprocating internal combustion engine 化油器式发动机 carburetor engine柴油机 diesel engine转子发动机 rotary engine旋轮线转子发动机 rotary trochoidal engine二冲程发动机 two-stroke engine四冲程发动机 four-stroke engine直接喷射式柴油机 direct injection engine间接喷射式柴油机 indirect injection engine增压式发动机 supercharged engine风冷式发动机 air-cooled engine油冷式发动机 oil-cooled engine水冷式发动机 water-cooled engine自然进气式发动机 naturally aspirated engine煤气机 gas engine液化石油气发动机 liquified petroleum gas engine柴油煤气机 diesel gas engine多种燃料发动机 multifuel engine石油发动机 hydrocarbon engine双燃料发动机 duel fuel engine热球式发动机 hot bulb engine多气缸发动机 multiple cylinder engine对置活塞发动机 opposed piston engine对置气缸式发动机 opposed-cylinder engine十字头型发动机 cross head engine直列式发动机 in-line engine星型发动机 radial engine筒状活塞发动机 trunk-piston engine斯特林发动机 stirling engine套阀式发动机 knight engine气孔扫气式发动机 port-scavenged engine倾斜式发动机 slant engine前置式发动机 front-engine后置式发动机 rear-engine中置式发动机 central engine左侧发动机 left-hand engine右侧发动机 right-hand engine短冲程发动机 oversquare engine长冲程发动机 undersquare engine等径程发动机 square engine顶置凸轮轴发动机 overhead camshaft engine双顶置凸轮轴发动机 dual overhead camshaft engine V形发动机 V-engine顶置气门发动机 valve in-head engine侧置气门发动机 side valve engine无气门发动机 valveless engine多气门发动机 multi-valve engine卧式发动机 horizontal engine斜置式发动机 inclined engine立式发动机 vertical engine二冲程循环 two-stroke cycle四冲程循环 four-stroke cycle狄塞尔循环 diesel cycle奥托循环 otto cycle混合循环 mixed cycle定容循环 constant volume cycle工作循环 working cycle等压循环 constant pressure cycle理想循环 ideal cycle热力循环 thermodynamic cycle冲程 stroke活塞行程piston stroke长行程 long stroke上行程 up stroke下行程 down stroke进气行程intake stroke充气行程charging stroke压缩行程compression stroke爆炸行程explosion stroke膨胀行程expansion stroke动力行程 power stroke排气行程exhaust stroke膨胀换气行程 expansion-exchange stroke换气压缩行程 exchange-compression stroke止点dead center止点 dead center上止点 top dead center(upper dead center)下止点 lower dead center(bottom dead center)上止点前 budc(before upper dead center)上止点后 atdc(after top dead cetner)下止点前 bbdc(before bottom dead center)下止点后 abdc(after bottom dead center)缸径 cylinder bore缸径与行程 bore and stroke空气室energy chamber气缸余隙容积 cylinder clearance volume燃烧室容积combustion chamber volume气缸最大容积 maximum cylinder volume压缩室 compression chamber排气量displacement发动机排量 engine displacement活塞排量 piston swept volume气缸容量 cylinder capacity单室容量 single-chamber capacity容积法 volumetry压缩比compression ratio临界压缩比critical compression ratio膨胀比 expansion ratio面容比 surface to volume ratio行程缸径比 stroke-bore ratio混合比 mixture ratio压缩压力 compression pressure制动平均有效压力brake mean effective pressure(bmep) 空燃比 air fuel ratio燃空比 fuel air ratio燃料当量比 fuel equivalence ratio扭矩torque单缸功率power per cylinder升功率power per liter升扭矩 torque per liter升质量 mass per liter减额功率 derating power输出马力shaft horsepower马力小时，马力时 horsepower-hour总马力 gross horse power总功率 gross power净功率 net power燃油消耗量 fuel consumption比燃料消耗率 specific fuel consumption空气消耗率 air consumption汽车英文术语A ／C Air Conditioning 空调A ／T Automatic Transaxle (Transmission) 自动变速器ACC Air Condition Clutch 空调离合器ACT Air Charge Temperature 进气温度AFC Air Flow control 空气流量控制AFS Air Flow Sensor 空气流量传感器AI Air Injection 二次空气喷射ACL AirCleaner 空气滤清器AIV Air Injection Valve 空气喷射阀ALCl Assembly Line Communication Link 总装线测试插座ALDl Assembly lne Diagnostic Link 总装线诊断插座ALT Alternator 交流发电机APS Absolute Pressure Sensor 绝对压力传感器ATS Air Temperature Sensor 空气温度传感器AP Accelerator Pedal 加速踏板ABS Anti-lock Brake System 防抱死刹车系统ATF Automatic Transmission Fluid 自动变速箱油液A ／F Air Fuel Ratio 空气燃料混合比AMP Ampere(S) 安培( 电流强度) APPROX Approximately 大约，近似ATDC After Top Dead Center 上止点后AUTO Automatic 自动ATT Attachment 附件ALR Automatic Lock Return 自动馈回缩器B+ Battery Positive Voltage 蓄电池正极BARO Barometric Pressure 大气压力BARO Sensor Barometric Pressure Sensor 大气压力传感器BP Barometric Pressure Sensor 大气压力传感器BAT Battery 电瓶BTDC Before Top Dead Center 上死点前BDC Bottom Dead Center 下死点CMP Camshaft Position 凸轮轴位置CARB Carburetor 化油器CCC Converter Clutch Control 转换离合器控制CDI Capacitive Discharge Ignition 电容放电式点火CMFI Central Multiport Fuel lnjectoion 中央多点燃油喷射CES Clutch Engage Switch 离合器接合开关CFI Central Fuel lnjection 中央燃油喷射CFI Continous Fuel Injection 连续燃油喷射CID Cylinder Identification Sensor 汽缸传感器CIS Continous Fuel lnjection 连续燃油喷射CKP Crank shaft Position 曲轴位置CKP Sensor Crank shaft Position Sensor 曲轴位置传感器CL Closed Loop 闭环控制CP Crank shaft Position 曲轴位置CPP Clutch Pedal Position 离合器踏板位置CPS Camshaft Position Sensor 凸轮轴位置传感器CPS Crank shaft Position Sensor 曲轴位置传感器CTP Closed Throttle Position ，节气门关闭位置CTS Engine Coolant Temperature Sensor 发动机水温传感器CYP Cylinder Position 汽缸位置CAT Catalytic Converter 触酶转换器CO Carbon Monoxide 一氧化碳CYL Cylinder 汽缸CPC Clutch Pressure Control 离合器压力控制CARB Carburetor 汽化器，化油器CPU Central Processing Unit 中央处理器CHG Charge 充电D —Jetronic Multiport Fuel Injection D 型多点燃油喷射DLC Data Link Connector 数据传递插接器DFI Direct Fuel Injection 直接燃油喷射DI Direct lnjecton 直接喷射DI Distributor lgnition 分电器点火DID Direct lnjection —Diesel 柴油直接喷射DTM Diagnostic Test Mode 诊断测试模式DTC Diagnostic Trouble Code 诊断故障码DLI Distributorless Ignitioo 无分电器点火DS Detonation Sensor 爆震传感器DIFF Differential 差速器DOHC DoubleOverhe~IdCamshaft 顶置双凸轮轴DPI Dual Point lnjection 两点喷射DRL Daytime Running Light 白天行驶灯E2PROM Electrically Erasable Programmable Read Only Memory 可以擦写的只读存储器EATX Electronic Automatic Transmission ／Transaxle 电控自动变速器EC Engine Control 发动机控制ECA Electronic Control Assembly 电子控制总成ECM Engine Control Module 发动机控制模块ECT Engine Coolant Temperature 发动机冷却水温EDIS Electronic Distributorless lgnition System 电子无分电器点火系统EEC Electronic Engine Control 电子发动机控制EEPROM Electrially Erasable Programmable Read Only Memory 可电擦写的只读存储器EFI Electronic Fuel lnjection 电控燃油喷射EGOS Exhaust Gas Oxygen Sensor 氧传感器EGR Exhaust Gas Recirculation 废气再循环EGRV ExhaustGasRecirculationvalve 废气再循环阀EGS Exhaust Gas Sensor 氧传感器EPROM Erasable PrOgrammable Read Only Menory 可擦写的只读存储器ESA Electronic Spark Advance 点火提前ESAC Electronic Spark Advance Control 点火提前控制EST Electronic Spark Timing 点火正时EVAP Evaporative Emission 蒸发排放污染EX Exhaust 排气ELD Electrical Load Detector 电子负载检测器EPS Electrical Power Steering 电子动力转向FC Fan Control 风扇控制FP Fuel Pump 燃油泵FWD Front Wheel Drive 前轮驱动FR Front Right 右前FSR Fail SafeRelay 失效安全继电器FIA Fuel lnjection Air 燃油喷射进气GEN Generator 交流发电机GND Ground 搭铁GALGallon 加仑H ／B Hatchback 掀背式H02S Heated Oxygen Sensor 加热型氧气传感器HC Hydrocarbons 碳氢化合物lA Intake Air 进气IAT Intake Air Temperature 进气温度IATS Intake Air Temperature Sensor 进气温度传感器lAC Idle Air Control 怠速控制IACV Idle Air control Valve 怠速空气控制阀ICM Ignition Control Module 点火控制模块ISC Idle Speed Control 怠速控制lAB Intake Air Bypass 进气歧管IAR Intake Air Resonator 进气共鸣器IMA IdleMixtureAdjustment 怠速混合比调整IMPS Intake Manifold Pressure Sensor 进气歧管压力传感器IN Intake 进气IG or IGN Ignition 点火燃烧ID Identification 辨证，识别ID or I ．D ．Inside Diameter 内径KAM Keep Alive Memory 磨损修正系数存储器K —Jetronic Continous Fuel lnjection 机械式连续喷射KE — Jetromc Continous Fuel lnjection 机电结合式连续喷射KS Knock Sensor 爆震传感器KOEO KEY —ONEngine —OFF 点火开关ON 发动机不启动KOER KEY —ONEngine —Running 点火开关ON 发动机运转L —Jetronic MultiportFuellnjeetion L 型多点燃油喷射LH —Jetronic MultiportFuel lnjection LH 型多点燃油喷射LHD Left Handle Drive 左侧驾驶L ／C Lock — up Clutch 锁定离合器LF Left Front 左前LSD Limited Slip Differential 防滑差速器LR Left Rear 左后L 一 4 In —Line Four Cylinder(engine) 直列式4 汽缸( 发动机) LED Light Emitting Diode 发光二极管M ／C Mixturure Control 混合气控制MAF Mass Air Flow 质量空气流量MAP Manifold Absolute Pressure 歧管绝对压力MAT Manifold AirTemperature 歧管空气温度MCS Mixture Control Solenoid 混合气控制电磁线圈MCU Microprocessor Control Unit 微处理器控制单元MFI Muhipoint Fuel lnjection 多点燃油喷射MFE MultipointFuel lnjection 多点燃油喷射Mil Malfunction lndicator Lamp 故障指示灯M ／S Manual Steering 手( 机械式) 转向MAF Mass Air Flow Sensor 空气流量计M ／T Manual Transmission 手动变速箱MCK Motor Check 马达检示MAX Maximum 极大值MIN Minimum 极小值MPI Multi Point lnjection 多点喷射NPS Neutral Position Switch 空挡开关N Neutral 空转位置( 空挡) NOX Nitrogen Oxides of 氮氧化合物02S Oxygen Sensor 含氧传感器P ／N Park ／Neutral Position 停车／空挡位置P ／S Power Steering Pressure Switch 动力转向压力开关PCM Power train Control Module 动力控制模块PCV Positive Crankcase Ventilation 曲轴箱强制通风PFI Port Fuel lnjection 进气门口燃油喷射PIP Position lndicator Pulse 曲轴位置传感器PNP Park ／Neutral Position 停车／空挡位置PROM Programmable Read Only Memory 可编程只读存储器PSP Power Steering Pressure 动力转向压力PSPS Power Steering Pressure Switch 动力转向油压开关p Park 停车PSAI Pulsed Secondary Air lnjection 脉动式二次空气喷射PGM —FI Programmed — fuel lnjection 程式控制燃料喷射PGM — IG Programmed lgnition 程式化点火PMR Pump Motor Relay 由泵马达继电器PSW Pressure Switch 压力开关PSF Power Steering Fluid 动力转向油Qty Quantity 数量RAM Random Access Memory 随机存储器RM Relay Module 继电器模块ROM Read Only Memory 只读存储器RR Rear Right 右后RHD Right Handle Drive 右侧驾驶REF Reference 参考RL Rear Left 左后SBEC Single Board Engine Control 单板发动机控制SEFI Sequential Electronic Fuel lnjection 次序电控燃油喷射SFI Sequential Fuel lnjection 次序燃油喷射' SMEC Single Module Engine Control 单片发动机控制SPI Single Point lnjection 单点喷射SAE Society of Automotive Engineers 美国汽车工程师学会SOHC Single Overhead Camshaft 顶置单凸轮轴SOI Solenoid 线圈SPEC Specification 规格S ／R Sun Roof 遮阳板SRS Supplemental Restrgint System 安全气囊STD Standard 标准SW Switch 切换开关SCS Service Check Signal 维修检示信号SEC Second 秒、第二TB Throttle Body 节流阀体TBI Throttle Body Fuel lnjectlon 节流阀体燃油喷射TC Turbocharger 涡轮增压器TCM Transmission Control Module 变速器控制模块TP ThrottlePosition 节气门位置TPS Throttle Position Sensor 节气门位置传感器TPS Throttle Position Switch 节气门位置开关TPI Tuned Port lnjection 进气口喷射TWC Three Way Catalytic Converter 三元催化反应器T Torque 扭力TDC Top Dead Center 上死点TDCL Test Diagnostic Communication Link 自诊接头T ／N Tool Number 工具编号TCC Torque Convertor Clutch 变扭器离合器TRC Traction Control 牵引控制VAF Volume Air Flow 体积空气流量VAT Vane AirTemperature 进气温度VCC Viscous Converter Clutch 变扭离合器VSS Vehicle Speed Sensor 车速传感器VSV Vacuum Solenoid Valve 真空电磁阀VTEC Variable Valve Timing Valve Lift 可变式气门正时VC Viscous Coupling 粘性偶和VIN Vehicle ldentification Number 车身号码( 出厂号码) VVIS Variable Volume Intake System 可变进气系统全部词汇下载汽车术语中英文对照（引擎系统）1、引擎系统(Automotive Engine System)燃烧室(Combustion Chamber) 活塞到达上死点后其顶部与汽缸盖之间的空间，燃料即在此室燃烧。

汽车专业外文文献英文翻译

外文文献原稿和译文原稿A New Type Car -- Hybrid Electric VehicleWith skyrocketing fuel prices and changes in weather patterns, many car manufacturers claimed to develop the kind of vehicles that will increase the mileage and reduce the emissions. Hybrid car is a kind of vehicle which can meet above requirements. A hybrid car features a small fuel-efficient gas engine combined with an electric motor that assists the engine.The reasons of building such a complicated machine are twofold: to reduce tailpipe emissions and to improve mileage. Firstly, hybrid cars are good for the environment. They can reduce smog by 90 percent and they use far less gasoline than conventional cars. Meanwhile, hybrid cars burn less gasoline per mile, so they release fewer greenhouse gases. Secondly, hybrid cars are economical. Hybrid cars, which run on gas and electricity, can get up to 55 to 60 miles per gallon in city driving, while a typical SUV might use three times as much gas for the same distance! There are three reasons can mainly account for that: 1) Hybrid engines are much smaller than those on conventional cars. A hybrid car engine is to accommodate the 99% of driving time when a car is not going up hills or accelerating quickly. When extra acceleration power is needed, it relies on the battery to provide additional force. 2) Hybrid gasoline engine can shut off when the car is stopped and run off their electric motor and battery.3) Hybrid cars often recover braking energy. Electric motors could take the lost kinetic energy in braking and use it to charge the battery. Furthermore, hybrids are better than all-electric cars because hybrid car batteries recharge as you drive so there is no need to plug in. Most electric cars need to be recharged every 50-100miles. Also, most electric cars cannot go faster than 50-60 mph, while hybrids can.Hybrid cars bridge the gap between electric and gasoline-powered cars by traveling further and driving faster and hybrid gas-electric cars are proving to be a feasible alternative at a time of high gas prices. So, in my opinion, hybrid cars will have a bright future.How Does Hybrid Electric Vehicle Work？You probably own a gasoline or diesel-engine car. You may have heard ofelectric vehicles too. A hybrid vehicle or hybrid electric vehicle (HEV) is a combination of both. Hybrid vehicles utilize two or more sources of energy for propulsion. In the case of HEVs, a combustion engine and an electric motor are used.How it works depends on the type of drive train it has. A hybrid vehicle can either have a parallel or series or parallel-series drive train.Parallel HybridThe parallel hybrid car has a gas tank, a combustion engine, transmission, electric motor, and batteries.A parallel hybrid is designed to run directly from either the combustion engine or the electric motor. It can run using both the engine and the motor. As a conventional vehicle, the parallel hybrid draws its power from the combustion engine which will then drive the transmission that turns the wheels. If it is using the electric motor, the car draws its power from the batteries. The energy from the batteries will then power the electric motor that drives the transmission and turns the wheel.Both the combustion engine and the electric motor are used at the same time during quick acceleration, on steep ascend, or when either the engine or the motor needs additional boost.Since the engine is directly connected to the wheels in a parallel drive train, it eliminates the inefficiency of converting mechanical energy into electrical energy and back. This makes a very effective vehicle to drive on the highway.Series HybridThe series hybrid car also has a gas tank, a combustion engine, transmission, electric motor, and batteries with the addition of the generator. The generator can be the electric motor or it can be another separate component.The series configuration is the simplest among the 3. The engine is not connected to the transmission rather it is connected to the electric motor. This means that the transmission can be driven only by the electric motor which draws its energy from the battery pack, the engine or the generator.A hybrid car with a series drive train is more suited for city driving conditions since the engine will not be subjected to the varying speed demands (stop, go, and idle) that contributes to fuel consumption.Series-Parallel HybridThe series-parallel configuration solves the individual problems of the parallel and series hybrid. By combining the 2 designs, the transmission can be directly connected to the engine or can be separated for optimum fuel consumption. The Toyota Prius and the Ford Escape Hybrid use this technology.Honda’s hybridFor those of you who have toyed with the idea of buying a hybrid but were discouraged by the price, you are not alone. In fact, despite the growing concern for the environment, not to mention the skyrocketing price of gas, hybrid cars still only represent a small percentage of global car sales, and a major reason for this is the cost.Hybrids are considered the wave of the future because they not only reduce emissions, addressing the issue of climate change, but they get great gas mileage, animportant consideration with the current price of oil. It should be noted that hybrids can also improve the power of the engine, which compromises any advantages in fuel efficiency and emissions. Whatever the application, however, the technology makes the cars more expensive.Because of this, they are the vehicle of choice for only a small niche of people who can afford them, and they currently enjoy a special status amongst the image conscious celebrity-set. For most average consumers, however, they are not an option.That may soon change.Honda Motor Corporation, one of the largest car manufacturers in the world and a leader in fuel efficient technology, has unveiled it’s plan to introduce a low-cost hybrid by 2009. If they can pull it off, they hope to make the hybrid a more mainstream car that will be more appealing to the general public, with the ultimate goal of achieving greater sales and broader appeal than their current incarnation.This, of course, is making Detroit nervous, and may signal a need for American car makers to start making greener and more fuel efficient vehicles, something they could afford to ignore in the past because hybrid cars weren’t worth their attention (due to such a small market share) while gas-guzzling SUVs have such high profit margins.Honda, meanwhile, has had to confront a growing need to compete with Toyota, which has not only grown to be the world’s largest automaker, but makes the car that has become synonymous with the hybrid movement, the Prius. Honda is therefore faced with the seemingly insurmountable task of challenging Toyota’s dominance in the market.Concurrently, Toyota is racing to lower production costs on the Prius, as well, which would hopefully result in a lower cost to the consumer. All eyes are on a potentially favorable car buyers market in 2009.In the meantime, with even adamant global warming naysayers warming up (no pun intended) to the possibilities of an ecological disaster on the horizon, maybe it’s time that we got over our need to drive huge SUVs and start moderating our fuel consumption.Then again, as gas prices hovering around $4.00 and with no ceiling in sight, we may have little choice in the matter.Engine Operating PrinciplesMost automobile dngines are internal combustion, reciprocating 4-stroke gasoline engines, but other types have been used, including the diesel, the rotary ( Wankel ) , the 2-srtoke, and stratified charge.Reciprocating means up and down or banck and forth, It is the up and down action of a piston in the cylinder blick, or engine block. The blick is an iron or aluminum casting that contains engine cylinders and passges called water jackets for coolant circulation. The top of the block is covered with the cylinder head. Which forms the combustion chanber. The bottom of the block is covered with an oil pan or oil sump.Power is produced by the linear motion of a piston in a cylinder. However, this linear motion must be changed into rotary motion to turn the wheels of cars of trucks. The piston is attached to the top of a connecting rod by a pin, called a piston pin or wrist pin. The bottom of the connecting rod is attached to the crankshaft. The connecting rod transmits the up-and-down motion of the piston to the crankshaft, which changes it into rotary motion.The connecting rod is mounted on the crankshaft with large beaings called rod bearings. Similar bearings, called main bearings, are used to mount the crankshaft in the block. Shown in Fig. 1-1The diameter of the cylinder is called the engine bore. Displacement and compression ratio are two frequently used engine specifications. Displacement indicates engine size, and compression ratio compares the total cylinder volume to compression chamber volume.The term stroke is used to describe the movement of the iston within the cylinder, as well as the distance of piston travel. Depending on the type of engine the operating cycle may require either two or four strokes to complete. The 4-stroke engine is also called Otto cycle engine, in honor of the German engineer, Dr. Nikolaus Otto, who first applied the principle in 1876. In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle. Each stroke is named after the action it performs intake, compression, power, and exhaust in that order, shown in Fig1-2.1、Intake strokeAs the piston moves down, the vaporized mixture of fuel and air enters the cylinder through open intake valve. To obtain the maximum filling of the cylinder the intake valve opens about 10°before t.b.c., giving 20°overlap. The inlet valve remains open until some 50°after b.d.c. to take advantage of incoming mixture.2、 Compression strokeThe piston turns up, the intake valve closes, the mixture is compressed within the combustion chamber, while the pressure rise to about 1Mpa, depending on various factors including the compression ratio, throttle opening and engine speed. Near the top of the stroke the mixture is ignited by a spark which bridges the gap of the spark plug.3、 Power strokeThe expanding gases of combustion produces a rise in pressure of the gas to some 3.5Mpa, and the piston is forced down in the cylinder. The exhaust valve opens near the bottom of the stroke.4、Exhust strokeThe piston moves back up with the exhaust valve open some 50°before b.d.d., allowing the pressure within the cylinder to fall and to reduce ‘back’pressure on the piston during the exhaust stroke, and the burned gases are pushed out to prepare for the next intake stroke.The intake valve usually opens just before the exhaust stroke. This 4-stroke cycle is continuously repeared in every as long as the engineremains running.A 2-stroke engine also goes through four actions to complete one operatingcycle.However, the intake and the compression actions are combined in one seroke, and the power and exhaust actions are combined in the other stroke. The term2-stroke cycle or 2-stroke is preferred to the term 2-cycle, which is really not accurate.In automobile engines, all pistons are attached to a single crankshaft. The more cylinders an engine has, the more power strokes produced for cach revolution. This means that an 8-cylinder engine runs more smoothly bdcause the power atrokes are closer together in time and in degrees of engine rotation.The cylinders of multi-cylinder automotive engines arranged in one of three ways. 1、Inline engines use a single block of cylinder.Most 4-cylinder and any 6-cylinder engines are of this design. The cylinders do not have to be vertical. They can be inclined either side.2、V-type engines use two equal bands of cylinders, usually inclined 60degrees or 90degrees from the cach other. Most V-type engines have 6 or 8 cylinders, although V-4 and V-12 engines have been built.3、Horizontally opposed or pancake engines have two equal banks of cylinders 180degreeas apart. These space saving engine designs are often air-cooled, and are found in the Chevrolet Carvair, Porsches, Subaus, and V olkswagens. Subaus design is liquid cooled.Late-model V olkswagen vans use a liquid-cooled version of the air cooled VWhorizontally opposed engine.译文新型汽车----混合动力汽车在油价飞涨的今天，汽车制造商被要求发展一种排放低，行驶里程长的汽车。

汽车专业英语全文翻译

汽车工程专业英语全文翻译一当今的汽车一般都由15000多个分散、独立且相互配合的零部件组成..这些零部件主要分为四类：车身、发动机、底盘和电气设备..Body：车身Engine：发动机Brakes：制动器Power train：传动系Steering：转向系Electrical：电器及电子设备Suspension：悬架Layout of a passenger car：乘用车总布置Layout of a commercial vehicle：商用车总布置1.1 车身汽车车身是由车窗、车门、发动机罩和行李箱盖焊接在金属板外壳发动机发动机作为动力装置..最常见的发动机气缸的排列方式称为发动机配置..直列式发动机的汽缸呈一列布置..这个设计创造了一个简单的发动机缸体铸造..在车辆应用中;汽缸数一般是2-6缸;汽缸中心线与水平面垂直..当汽缸数增多时;发动机尺寸和曲轴就成为一个问题..解决这个问题的办法就是采用V形汽缸呈两列布置;且两列气缸之间夹角为V形发动机..这个设计使发动机尺寸和曲轴都变得更短且更坚硬.. 前置发动机纵向安装;既可前轮驱动也可后轮驱动..后置发动机是将发动机安装在后轮后面..发动机可横置或纵置;一般情况下为后轮驱动..1.4 电气系统电气系统为起动机、点火系统、照明灯具、取暖器提供电能..该电平由一个充电电路维护..1.4.1 充电充电系统为所有汽车电子元件提供电能..充电系统主要包括：蓄电池;交流发电机;电压调节器;即通常是交流发电机上不可或缺的;充电警告或指示灯和金属丝连成一个完整电路..蓄电池为起动提供电能;然后发动机工作;交流发电机就为所有的电子元件提供电能..同时也给蓄电池充电即用来使发动机起动..电压调节器有过充保护作用..1.4.2 起动起动系统包括：蓄电池、电缆、起动机、飞轮和换向器..起动时;有两个动作同时运行;该起动机齿轮与飞轮齿圈啮合;并起动电机;然后运行传输到发动机曲轴..起动机电机将起动机安装在发动机缸体上并由电池供电..1.4.3 点火一个基本的点火系统包括：蓄电池、低压电缆、点火线圈、线圈高压电缆、火花塞电缆和火花塞..点火系统提供高强度火花使火花塞点燃燃料室里的液体燃料..火花必须在适当的时候提供;并达到能够使燃料点燃的能量要求..这些能量从蓄电池和交流发电机获得;点火线圈使电压增高..该系统有两个电路;主电路或低压电路点燃火花;次电路或高压电路产生高压并将其分配到火花塞上.. 复习题1. 列出汽车有那几部分组成..2. 根据车身外形车辆常见类型是什么3. 向下移动的冰锥增加汽缸容积和新鲜的通过进气阀开启的空气燃料混合..2．压缩行程向上移动的活塞减少了汽缸内体积和压缩的空气燃料混合物..不久之前;香港贸易发展局是达成共识;火花塞点燃压缩空气燃料的混合物;从而启动了燃烧过程..更高的压缩比意味着更好的燃油利用率..压缩的程度受制于敲限制..3.做功行程火花点火后在火花塞点燃了压缩空气燃料的混合物;作为混合的结果温度升高..在汽缸增加;迫使活塞向下的压力..活塞转让的权力;通过连杆曲轴..4.排气行程向上移动的活塞燃烧排出的气体废气通过公开排气阀..在四冲程过完成后又周期重复..这台发动机有数以百计的其它部分..发动机的主要部件是发动机缸体;发动机头;活塞;连杆;曲轴和阀门..其他部分一起营造系统..这些系统是燃油系统;进气系统;点火系统;冷却系统;润滑系统和排气图2 - 2..这些系统都有一定的作用..这些系统将在后面详细讨论..发动机缸体是发动机的基本框架..所有其他发动机零件要么在其中的位置或固定它..其所持有的气瓶;水套和油画廊图2 - 4..发动机缸体还持有曲轴;那拴到块的底部..还装在凸轮轴块;除却架空凸轮OHC发动机..在大多数汽车;这个部件是由灰铸铁或者一种合金混合物灰铁和其它金属如镍或铬..发动机缸体是铸件..有些气缸体;特别是在小汽车里的那些;都是由铝做成的..这种金属比铁轻得多;然而;铁的耐磨性比铝好..因此;在大多数铝制发动机的气缸活塞;连杆和曲轴2.3.1 曲柄机构和能量活塞由曲柄机构和气缸;连杆组成..这些部件通过气体能量推动;从而引起这些部件产生惯性力..气能产生的力可以再细分为垂直于竖直平面的力Fn;且作用于汽缸壁;和一个推动连杆的力Fs;这个连杆的力;从而引起切向力Ft并作用于曲柄机构;这些能量要求在一起产生扭转和法向力Fr..这气体作用力分为作用角α;支点于连杆的作用角β;和压缩比入:连杆作用力: Fs=Fg/cosβ侧向力 : Fn=Fgtanβ法向力 : Fr=Fgcosα+β/ cosβ切向力 : Ft=Fg sinα+β/ cosβ所以的这些关系代表了一种方法计算各部件的振动.活塞是四个运动周期中一个重要部分;很多活塞都是从铝中提炼出来研制而成的.活塞;通过连杆传递能量来压缩点燃混合气体.这些能力转化为曲柄的动能.这样;圆形的钢圈装入汽缸;用活塞环来密封整个燃烧室.这个称为活塞环..这些用来放活塞环的称为凹槽..一个活塞销放在中间通过一个小孔固定..活塞销的作用是固定活塞于连杆之间的连接;对活塞销起作用的是活塞销凸台..活塞本身;它的环和活塞销一起称为活塞总成..1活塞为了抵抗高温的燃烧室;活塞必须非常坚固;但是也必须轻便;因为它是在气缸内高速运转而上下运动的;活塞内是空的;在顶部是厚的用来传递高温高压的气体动力;底部温度较低所以做成薄的..顶部是活塞头或活塞顶;薄部分是裙部;两节之间的凹槽称为环带..活塞顶可以是平的;凹的;圆顶的或是隐蔽的;在柴油机的燃烧可能形成完全或部分活塞冠;依靠这种方法喷射..所以活塞采用不同的形状..2..活塞环如图2-9所示;活塞环装进接近活塞顶部的环槽..简单来说;活塞环是薄的;是圆形的金属片;适合槽活塞顶部的..现在的发动机;每个活塞有三个活塞环;老式的发动机有四个甚至五个..活塞环装在活塞内表面的凹槽内..活塞环的外表面紧靠着汽缸壁活塞环提供了活塞环于汽缸壁之间的密封;也就是说;只有活塞环接触汽缸壁..顶头两个活塞环是防止气体从汽缸壁漏出的;称为压缩环..最底下的一个是防止汽油飞溅到缸桶而从间隙进入到燃烧室;所以称为油环..表面镀铬的铸铁压缩环一般用于汽车的发动机..镀铬的活塞环提供了光滑;耐磨的表面..在做功行程;燃烧室对压缩环的压力是非常大的..原因是他们朝汽缸壁方向挤开;一些高压的气体进入到活塞环;这样使得活塞环表面充分接触到汽缸壁;燃烧的气体压力使得活塞环底部紧紧地压住活塞凹槽;然而;越高的燃烧的气体压力更加紧紧地把活塞环表面和汽缸壁密封住.. 3..活塞销活塞销是用来连接活塞于连杆的..活塞销装入销孔;装入连杆最顶头的小孔..连杆的顶部应远小于连杆的尾部才能装进曲柄轴颈..小的底部装进活塞的内底部..活塞销通过一边装入活塞销;通过小的连杆一端;然后通过活塞的另一边..这使得连杆稳固地在活塞中间适当的位置..活塞销是是空心的且是高强度的钢制成的..很多销的镀铬的使得更加耐磨..连杆是高强度的钢铸造的;它通过曲柄轴颈传递力和运动从活塞到曲柄销..连杆小的一头是连接活塞销的..轴瓦是用软金属制成的;比如青铜;用来这样合成的..下级的连杆装进曲柄轴颈..这称为大头..这个轴承;是钢背的铅或者是锡壳制成的..这些是一样被用作主要轴承..大端的分离切口往往是单个的;所以它足够小可以从燃烧室中取出.. 连杆由合金钢铸成..曲轴如图2-10所示;连同连杆通过旋转而带动活塞往复运动从而带动汽车行驶..它是由碳钢和低比例的镍合成的主要的曲轴轴颈装进汽缸;大端匹配连杆..在曲轴的后端附加有飞轮;在曲轴的前端有驱动轮对应的正时齿轮;风扇;冷却水和发电机..曲轴的摆幅;i;e;是主要的轴颈和大端中心之间的距离..控制冲程的幅度;冲程是双次进行的;摆动的幅度是活塞从TDC到BDC的距离;反之亦然..单缸的发动机每两次曲轴循环只能提供单一的能量脉冲..能量只能提供四分之一的时间..当超过一个汽缸时它能从曲轴获得流动性的能量..额外的能量被均匀地隔开遍及两个转数或四冲程的一个周期..四缸的一般用于汽车..为了保持曲轴的平衡设置第一和第四的活塞是在TDC..第二和第三的活塞是在BDC每个冲程的间隔是180°;图标的序列显示了各个缸的点火顺序;点火顺序是1-3-4-2;但是这个顺序可以改变为1-2-4-3;如果安装了另外的凸轮轴.. 注意到第四个活塞总是伴随着第一活塞进行的..当第四活塞进气阀完全打开时;第一缸的活塞完全关闭;这是用来调节气门间隙的..表格飞轮有碳钢制成;装在曲轴的后端..同时带动曲轴旋转和离合器..同时传送给变速器;和启动齿圈包围着在四个冲程当中只有一个冲程是做功的所以飞轮只有在这个时间带动曲轴;发动机在这几个不做功的冲程转动..平衡器和减震器是用来保持发动机曲轴正常缓冲的..比如每个燃烧室燃烧;它能加快曲轴旋转..轴的惯性它稍稍随后;这样在曲轴上起扭转作用..连续扭转震动引起的频率不同于发动机的转速和发动机缸数..减震器减少他们的振动..减震器主要由轮毂和惯性环组成..惯性环是结合轮毂通过弹性插入的..惯性环转动是和曲轴密切相关的在燃烧室内;然而抑制其扭转;并通过曲轴控制犯低级转速..一些减震器是由两个惯性环和而且是不同的尺寸从而更好地控制其振动..使用了一段时间后;弹性体会恶化或连接件可以不要..致使减震器失效或是引起自身振动.. 损坏的必须得替换下来..减震器的设计要结合轮毂的密封轴颈..在轮毂里密封凹槽;造成石油泄漏..袖套修理可以恢复减震器如果是在良好的条件下..轮毂在一定条件下可以维修来调节衬套..2.6.1 汽油汽油是从原油中提炼石油..汽油是高度易燃的;这意味着它容易在空气容易燃烧..汽油容易蒸发..这种特性被称为波动;是重要的..但是;它不能太容易挥发;否则将转向油箱内的蒸汽..管内的燃料;燃料蒸气可能阻止液体汽油流..这就是所谓的蒸气锁..在燃料蒸气锁普遍在暴露于高温线泵的进口侧..汽油的燃烧;随其质量和添加剂比例混合的..汽油的燃烧方式在室燃烧是很重要的.增加燃烧室中的燃料混合物点火前的压力;有助于提高发动机功率..这是通过压缩到一个较小的燃料混合物体积..高压缩比;不仅有利于推力;而且也给更多的有效的动力..但更进一步的压缩比起来;敲倾向增加..辛烷值是对汽油的抗爆性的质量或在燃烧过程中能够抵抗爆炸的认定..有时被称为爆震敲质量或能力抵御爆炸..爆轰;有时也被称为敲门;作为燃料的燃烧空气的混合物;由于温度过高;在燃烧室内的压力条件的最后一个部分失控爆炸的定义..由于爆炸产生的压力波冲击;因此产生敲缸声;燃料燃烧和空气的混合物的扩张;导致丧失权力;局部温度过高;如果足够严重;引擎损害..有两种常用的汽油辛烷值测定的的方法马达法和研究方法..两者都使用的实验室相同的类型单缸发动机来做实验;这是一个头部和一个变量来表示敲缸爆震强度装置..作为燃料使用;发动机压缩比和空气燃料混合料试验样品进行了调整;试验出爆震强度..两个主要标准参考燃料;正庚烷和异辛烷;任意分配0和10辛烷值;然后分别是混合产生测试样品相同的爆震强度..因此百分比异辛烷的混合被认为是测试样品辛烷值;因此;如果相应的参考配方是由15％正庚烷和85％异辛烷;测试样品的额定电机向上或85研究法辛烷值;依据测试的一种方法..2.6.2完全燃烧汽油;是在理想条件下汽油在混合气中完全燃烧汽油所需要空气和汽油是15比1..这意味着1公斤汽油混合15公斤空气..汽油完全燃烧所需的空气被称为化学正确的混合物.. 15:1的比例适用于汽油;其他燃料有不同的比率.为了表示更实际;空气燃料混合物提供给空气燃料比14.7:1气缸偏离理论上完全燃烧所需;多余的空气因子R已被选定引擎：=空气质量提供/理论要求R为1 空气质量提供相应数额的理论的必要..<“1 空气或缺乏丰富的混合物..增加电力的射程R = 0.85 0.95输出结果..> 1.3 该混合物是如此精简的点火更长发生..精益失火超限.. = 0.95 0.85 火花点火发动机开发在5％ 15％空气不足的最大功率.. = 1.1 1.2 发生在最大的燃油经济性高达20％左右的过剩空气..为R≈1.0 这种过剩空气系数允许与化学计量比空转..= 0.85 0.75 良好的转换发生15％ 25％的空气不足..转型是指从一个给定的负载范围在实践中;过剩空气因素的R = 0.9 1.1已被证明是最实用的..在一定的操作条件下;燃料需求不同的混合模式于基本注入燃料的数量大于干预必需的. 冷启动在冷启动时;空气燃料混合物的发动机制定的加浓了..这是由于在起动速度低如果混合物燃油与空气粒子流动速度;并以最小的燃油蒸发和汽缸壁和进气口;在低温下润湿燃料..为了弥补这些现象;从而促进ID的冷发动机;注入更多的燃料才更容易起动..1．后启动阶段在低温起动后;必须加浓的一段短时期的混合物;以补偿较浠混合气的形成和摄入量与燃料缸..此外;在高扭矩;为更好的油门响应更加丰富的混合物时;加速从闲置的结果..2．热机预热阶段遵循冷启动阶段..该发动机的燃料需要;因为凝结一些仍然在寒冷的汽缸壁的热身阶段额外的燃料..在低温时;混合物的形成是由于较浓的大型燃料液滴的加入;由于与拟定的发动机在空气中混合燃料效率下降..其结果是;在进气阀门和进气歧管;只有在较高温度下燃油蒸发浓缩.. 上述因素均随温度降低必要的加浓的混合物.3．加速度如果油门突然被打开;空气燃料混合物瞬间倾斜过;以及混合浓缩短期在部分负荷运行;实现最大的燃油经济性和排放值是观察的关键因素.. 5．全负荷该引擎提供了在满负荷最大功率;当空气燃料混合比;必须加以丰富;在部分负荷..这种丰富依赖于发动机转速和提供最大的在整个发动机转速范围内尽可能的扭矩..这也确保在满负荷运行最佳燃油经济性的数字..6．怠速除了发动机的效率;发动机怠速主要决定于闲置的燃料消耗;在发动机冷高摩阻力;必须通过提高空气燃油混合输入克服..为了实现平稳运行在空闲;空闲速度控制怠速提高..这也导致了更快速热身的发动机..闭环闲置速度控制功能可以防止怠速过高..该混合物的数量相对应维持在有关的负载如冷发动机;并增加摩擦怠速所需要的数量..它还允许一个没有长期闲置的调整不断废气排放值..闭环闲置速度控制还部分地弥补在发动机老化带来的变化;并确保稳定的发动机整个使用寿命空转..7．空载减速时切断燃油降低燃油消耗不仅是长下坡运行和制动过程中;而且在城市交通..由于没有燃料完全燃烧;减少废气排放..8．发动机限速当发动机转速达到预设;教统会抑制燃油喷射脉冲..9..的空气燃料混合物在高海拔适应在高海拔地区的空气密度低就必须更精简的空气燃料混合物..在高海拔地区;由于较低的空气密度;容积流量的空气流量传感器对应一个较低的空气质量流量测量..这个错误可以弥补纠正的燃料数量..过度富集是可以避免的;因此;过多的燃料消耗..正如图2 - 20所示;燃料系统有一个油箱;油管;燃油泵;燃油滤清器和化油器..这零部件商店汽油;并提供给需要的化油器..简而言之;油箱储存汽油..行携带的燃料从油箱的燃料化油器..移动汽油燃油泵从油箱的燃料;并通过线化油器..燃料过滤器除去杂质的汽油..然后;化油器发送燃料的空气和汽油的混合物 - 进入燃烧室..1..燃油泵大多数车今天使用一个机械式燃油泵..这种燃料泵出了汽油;并通过油管向化油器或喷射系统..在大多数汽车;泵安装在发动机缸体..有些汽车电动燃油泵有一个..该泵安装在皮卡与燃料和燃料轨;发送单元油箱..对机械燃油泵操作取决于对凸轮轴叶..作者：爱在旋转移动泵摇臂..泵内;可以灵活的隔膜通过膜片弹簧摇臂;拉杆和链接..如图所示;燃油泵也有一个入口和燃料出口..由于凸轮轴上的旋转叶;横膈膜上下移动内部的引擎..隔膜的吸向下运动从进入泵油箱..隔膜向上运动推到了化油器;从泵的燃料..2..化油器化油器提供燃料比例的空气量流经喉管..当你在加速器踏板时;扩大开放节流阀吸引更多的空气通过化油器..化油器提供这取决于许多因素更丰富或更精简的混合物：发动机转速;负荷;温度;节气门位置..为了满足复杂的要求;一化油器是一个非常复杂的设备与许多内部通道及零部件.1喉管汽车化油器的设计是由喉管..喉管简直是气道狭窄的部分..空气通过化油器的喉咙;因为它移动的速度通过这个狭窄通道的旅行..通过建立合资企业增加的空气速度在喷嘴打开一个低压区..推动在一个大气压下水库内燃料的化油器浮子室称为..燃料是强行通过一根管子到空气流..2浮子室浮子室是一个储存和供应燃料的化油器水库..由于发动机使用的燃料;它会自动浮子室补充..浮动室内乐作品在同一作为一个抽水马桶水箱控股的基本原则..阿浮有赖于在水库燃料的顶部..作为燃料使用时;浮球液位下降..当浮动滴;一针阀打开..开放式针形阀允许从燃料的燃料泵入化油器的浮子室流..当商会是满了;针形阀是向上推;并关闭燃油进口..3测量燃油浮子室之间的压差和造成的燃料流..然而;为了维持适当的空气燃料比;化油器必须仅提供适量的燃料..为此;主放电管有一个小孔称为喷射或主射流..这允许燃料进入气流..在大多数情况下;这个小口子浮子室是在主放油管的末端..在那里;它的体积小燃油流量限制..4需要冷启动安排切断阀通过一个手段扼杀供气提供了丰富的混合物约8:1;并提供了一个轻松的粒子蒸发足够的引擎..5慢速贯穿化油器的空气量过小的时候;发动机只运行缓慢产生非常小的扼流圈抑郁症..这意味着太少将提供燃料和发动机将停止..缓慢运行的系统已经在这个区域里存在着抑郁症的高当发动机空转的电源插座..调节螺钉控制系统运行缓慢;一个螺丝设置空转速度运行缓慢等使混合物是让发动机转速平稳.. 6油门机制机制的油门控制空气燃料混合物流动..油门有几个;包括油门轴和节流板的一部分..通过打开和关闭;节气门控制的空气进入发动机燃料混合物流动..在诸如开放更多的空气流动;少的板关闭的气流..这些变化也气流控制汽油流..增加气流意味着更大的压力下降;从而更多的燃料流..气流减少意味着减少压降和流量较少的燃料..该议案的节流轴转动油门板..油门轴电缆连接到油门;反过来;连接到车内的油门踏板..司机控制空气燃料混合物踏板流动..2.6.5 莫特郎尼克点火和燃油喷射系统化油器将准确的空气燃料混合气发送到发动机..然而;并非所有的汽车都有化油器..许多现代汽车是用燃油喷射系统图2 - 22..燃油喷射系统与化油器式有许多优势..例如;它们能提供更多的精确控制..它们能够更好地匹配空燃比在不断变化的发动机状态..它们还提供更好的经济性和排放控制..此外;燃油喷射系统不需要化油器多余的那部分..该系统是一个莫特郎尼克发动机管理系统;包括控制单元ECU;它执行至少两个基本功能点火和喷油;但可能包含其他子系统需要改进的发动机控制1..测量值的检测气缸内的燃烧过程不仅受混合气和空气燃料比的影响;而且还受点火提前点火和点火火花的能源影响..一个优化的引擎控制;因此必须控制在整个喷射时刻的空气燃料比R A即喷入的燃油量;以及点火提前角α和持续角B..影响燃烧过程中的主要参数检测为测量值和一起处理瞬间发动机运行工况点火和喷射的最佳时机的计算..2..工作变量/传感器发动机转速和负荷是主要的工作变量..由于特定的点火提前角和精确的喷射时间对应于每个发动机的转速/负载地图点;重要的是所有的变量;其中涉及到同一个点都在相同的速度/负载面积计算..这不仅是可能的;如果点火提前和喷射时间以同样的速度和负载值发动机转速检测只有一次使用相同的传感器计算..这就避免了统计误差;可导致不同的负载传感器设备公差;例如;..而一个略有杆负荷范围不同的分配限制敲到发动机爆震的易感性增加..清除点火时间角和注射时间分配是由莫特郎尼克系统提供动力;即使在发动机运行条件下;3..莫特郎尼克系统该莫特郎尼克系统包括一系列子系统;两个基本子系统点火和喷油..综合后的系统更加灵活;可实现比相应的各个系统的功能更多..莫特郎尼克系统的重要特点是其作为一个最子功能所需的大量可自由编程实现地图..废气再循环EGR的功能至今尚未在欧洲使用;因此提供一种替代系统的唯一..控制系统的lambda只能算是今天;如果配合使用为减少尾统开环控制功能以及一个扩展的系统与闭环功能结合敲和lambda控制在管理系统气。

汽车专业英语全书翻译

1.These parts can be grouped into four major categories; body, engine, chassis and electrical system.2.The internal combustion engine is most common; this obtains its power by burning a liquid fuel inside the engine cylinder.3.The chassis includes the power train, steering, suspension, and braking systems.4. A power train can include a clutch for manual transmission or a torque converter for automatic transmission, a transmission, a drive shaft, final driveand differential gears and driving axles.5.Basic types are: leaf springs, coil springs and torsion bars.6. A basic ignition system consists of the battery, low-lension cables, the ignition coil, distributor, coil high-tension cable, spark plug cables and sparkplugs.7.The operating strokes are: induction stroke, compression stroke, power stroke, exhaust stroke.8.The major parts of engine are engine block, engine heads, pistons, connecting rods, crankshaft and valves.9.These systems are the fuel system, intake system, ignition system, cooling system, lubrication system and exhaust system.10.The dry clutch mechanism includes three basic parts: driving member, driven member and operating members.11.The spur gears are mounted on four shafts: primary shaft (input shaft), layshaft (countershaft), mainshaft, and reverse idler shaft.12.The three types of braking systems are in use today: service braking system, parking braking system and additional retarding-braking system.13.It has five basic parts: the receiver, expansion valve, evaporator, compressor, and condenser.14.The three normally adjustable angles are caster, camber, and toe.段落一．Elements of the Power TrainThe elements of the power train must meet the following requirements;1)enable driving away,2)convert torque and speed,3)enable different directions of rotation for driving forward and backward,4)transmit tractive and pushing forces,5)permit different rotational speeds of the drive wheels when cornering,6)guarantee optimum operation of the engine (or electric motor ) in terms of fuel consumption and exhaust emissions.Standstill, driving-away and power interruption are made possible by operation the clutch .During driving away, the clutch slips and bridges the difference in rotational speed between engine and power train. When different operating conditions call for a shift of gear, the clutch separates the power train during shifting.Engine torque and engine speed are converted in the transmission in accordance with the tractive-power demand of the vehicle. The transmission design is influenced by the position of the engine and driven axle. Overall conversion takes place usually in a manually shifted transmission with variable transmission ratios and in a final drive with a constant transmission ratio. Nowadays, positive-locking transmissions with toothed gears as the most important elements are of even greater significance than non-positive friction-type transmissions.Two types of toothed-gear transmission are predominant: spur-gear transmissions of the countershaft type as manually shifted transmissions, and planetary-gear transmissions as power-shift transmissions. In addition, transmissions permit the different directions of rotation required for driving forward and backward.Final drive turns the drive through 90°and reduces the speed of the drive by a set amount to the vehicle.The differential provides for the equalization of the different axle and wheel speeds when cornering and for uniform distribution of the drive torque.二.The Hydrodynamic Coupling1. Hydrodynamic CouplingConventionally, the hydrodynamic coupling, also known as the Fötttinger coupling, has an impeller and a turbine wheel with vanes that usually extend in the radial direction. The impeller is often expanded to form a housing which surrounds the turbine. Since, due to the absence of an inner ring, there is no possibility of diverting the oil flow, the turbine torque is equal to the pump torque;公式Therefore 公式The index number depends on the design, the vane angle and the degree of filling of the coupling. The main working area of an hydrodynamic coupling is at v=0.9.2. Hydrodynamic ConverterThe hydrodynamic converter, also known as the Trilok or Fötttinger converter, is capable of operating in two phases: with torque increase in the first phase, and as a hydrodynamic coupling in the second phase. The usual design has three impellers:1) The pump, which is connected to the engine, acts like a centrifugal pump to produce the flow energy of a fluid.2) The turbine, which is connected to the transmission input, converts the flow energy back into mechanical energy.3) The reactor between turbine and pump diverts the flow of the fluid.Thus, the torque output is higher than the pump torque input from the engine. The torque increaseμμ=Mt/Mp is all the higher, the greater the speed difference (slip）between the pump and turbine. Withυ=0, i.e. with the turbine braked to a standstill (stall point, drive-away point), torque conversion reaches its maximum value and falls virtually linearly with rising turbine speed to a torque ratio of 1:1 at the coupling point. Above the coupling point, the reactor, which is supported on the housing by a one-way clutch, runs, torque-free, in the flow. Thus, the converter is now a clutch without torque conversion.For automobiles, the vane geometries are such that, at the drive-away point, the maximum torque increase μA is between 2 and 2.5. The hydraulic efficiencyηhydr=υμis similar in the conversion range to the speed ratioμand reaches values around 97% at high speed.Fluid couplings form the input element of automatic transmissions (in conjunction with planetary-gear trains, clutches, brakes and one-way clutches) and also of manually shifted transmissions in the form converter and clutch unit.三．Constant-mesh TransmissionFig.3-6 illustrates the flow of torque through a typical constant-mesh transmission. This type uses helical or double helical gears which are always in mesh. The mainshaft gear wheels are mounted on bearings and when a gear is required the mainshaft gear is locked to the shaft by a dog clutch.Although the mechanical efficiency is lower the helical gears are quieter and any damage resulting from a bad gear change occurs to the dog teeth instead of the actual gear teeth.元素的力量训练动力传动的要素必须符合下列要求;1)使开车逃走,2)把转矩和速度,3)使不同方向的旋转带动向前和向后,四)推进传送叶轮力量,5)允许不同转速时的驱动轮转弯时,六)保证了优化运行的引擎(或电机)从油耗和尾气排放。

汽车专业英语全书翻译

汽车专业英语全文翻译

汽车工程专业英语全文翻译一当今的汽车一般都由15000 多个分散、独立且相互配合的零部件组成。

这些零部件主要分为四类：车身、发动机、底盘和电气设备。

Body：车身Engine：发动机Brakes：制动器Power train ：传动系Steering：转向系Electrical：电器及电子设备Suspension：悬架Layout of a passenger car：乘用车总布置Layout of a commercial vehicle ：商用车总布置1.1 车身汽车车身是由车窗、车门、发动机罩和行李箱盖焊接在金属板外壳发动机发动机作为动力装置。

最常见的发动机气缸的排列方式称为发动机配置。

直列式发动机的汽缸呈一列布置。

这个设计创造了一个简单的发动机缸体铸造。

在车辆应用中，汽缸数一般是2-6 缸，汽缸中心线与水平面垂直。

当汽缸数增多时，发动机尺寸和曲轴就成为一个问题。

解决这个问题的办法就是采用V 形（汽缸呈两列布置，且两列气缸之间夹角为V 形）发动机。

这个设计使发动机尺寸和曲轴都变得更短且更坚硬。

前置发动机纵向安装，既可前轮驱动也可后轮驱动。

后置发动机是将发动机安装在后轮后面。

发动机可横置或纵置，一般情况下为后轮驱动。

1.4 电气系统电气系统为起动机、点火系统、照明灯具、取暖器提供电能。

该电平由一个充电电路维护。

1.4.1 充电充电系统为所有汽车电子元件提供电能。

充电系统主要包括：蓄电池，交流发电机，电压调节器，即通常是交流发电机上不可或缺的，充电警告或指示灯和金属丝连成一个完整电路。

蓄电池为起动提供电能 ,然后发动机工作，交流发电机就为所有的电子元件提供电能。

同时也给蓄电池充电即用来使发动机起动。

电压调节器有过充保护作用。

1.4.2 起动起动系统包括：蓄电池、电缆、起动机、飞轮和换向器。

起动时，有两个动作同时运行，该起动机齿轮与飞轮齿圈啮合，并起动电机，然后运行传输到发动机曲轴。

起动机电机将起动机安装在发动机缸体上并由电池供电。

汽车专业--毕业设计外文翻译

英文资料SuspensionSuspension is the term given to the system of springs, shock absorbers and linkages that connects a vehicle to its wheels. Suspension systems serve a dual purpose –contributing to the car's roadholding/handling and braking for good active safety and driving pleasure, and keeping vehicle occupants comfortable and reasonably well isolated from road noise, bumps, and vibrations,etc. These goals are generally at odds, so the tuning of suspensions involves finding the right compromise. It is important for the suspension to keep the road wheel in contact with the road surface as much as possible, because all the forces acting on the vehicle do so through the contact patches of the tires. The suspension also protects the vehicle itself and any cargo or luggage from damage and wear. The design of front and rear suspension of a car may be different.Leaf springs have been around since the early Egyptians.Ancient military engineers used leaf springs in the form of bows to power their siege engines, with little success at first. The use of leaf springs in catapults was later refined and made to work years later. Springs were not only made of metal, a sturdy tree branch could be used as a spring, such as with a bow.Horse drawn vehiclesBy the early 19th century most British horse carriages were equipped with springs; wooden springs in the case of light one-horse vehicles to avoid taxation, and steel springs in larger vehicles. These were made of low-carbon steel and usually took the form of multiple layer leaf springs.[1]The British steel springs were not well suited for use on America's rough roads of the time, and could even cause coaches to collapse if cornered too fast. In the 1820s, the Abbot Downing Company of Concord, New Hampshire developed a system whereby the bodies of stagecoaches were supported on leather straps called "thoroughbraces", which gave a swinging motion instead of the jolting up and down of a spring suspension (the stagecoach itself was sometimes called a "thoroughbrace")AutomobilesAutomobiles were initially developed as self-propelled versions of horse drawn vehicles. However, horse drawn vehicles had been designed for relatively slow speeds and their suspension was not well suited to the higher speeds permitted by the internal combustion engine.In 1903 Mors of Germany first fitted an automobile with shock absorbers. In 1920 Leyland used torsion bars in a suspension system. In 1922 independent front suspension was pioneered on the Lancia Lambda and became more common in mass market cars from 1932.[2]Important propertiesSpring rateThe spring rate (or suspension rate) is a component in setting the vehicle's ride height or its location in the suspension stroke. Vehicles which carry heavy loads will often have heavier springs to compensate for the additional weight that would otherwise collapse a vehicle to the bottom of its travel (stroke). Heavier springs are also used in performance applications where the loading conditions experienced are more extreme. Springs that are too hard or too soft cause the suspension to become ineffective because they fail to properly isolate the vehicle from the road. Vehicles that commonly experience suspension loads heavier than normal have heavy or hard springs with a spring rate close to the upper limit for that vehicle's weight. This allows the vehicle to perform properly under a heavy load when control is limited by the inertia of the load. Riding in an empty truck used for carrying loads can be uncomfortable for passengers because of its high spring rate relative to the weight of the vehicle. A race car would also be described as having heavy springs and would also be uncomfortably bumpy. However, even though we say they both have heavy springs, the actual spring rates for a 2000 lb race car and a 10,000 lb truck are very different. A luxury car, taxi, or passenger bus would be described as having soft springs. Vehicles with worn out or damaged springs ride lower to the ground which reduces the overall amount of compression available to the suspension and increases the amount of body lean. Performance vehicles can sometimes have spring rate requirements other than vehicle weight and load.Mathematics of the spring rateSpring rate is a ratio used to measure how resistant a spring is to being compressed or expanded during the spring's deflection. The magnitude of the spring force increases as deflection increases according to Hooke's Law. Briefly, this can be stated aswhereF is the force the spring exertsk is the spring rate of the spring.x is the displacement from equilibrium length i.e. the length at which the spring is neither compressed or stretched.Spring rate is confined to a narrow interval by the weight of the vehicle,load the vehicle will carry, and to a lesser extent by suspension geometry and performance desires.Spring rates typically have units of N/mm (or lbf/in). An example of a linear spring rate is 500 lbf/in. For every inch the spring is compressed, it exerts 500 lbf. Anon-linear spring rate is one for which the relation between the spring's compression and the force exerted cannot be fitted adequately to a linear model. For example, the first inch exerts 500 lbf force, the second inch exerts an additional 550 lbf (for a total of 1050 lbf), the third inch exerts another 600 lbf (for a total of 1650 lbf). In contrast a 500 lbf/in linear spring compressed to 3 inches will only exert 1500 lbf.The spring rate of a coil spring may be calculated by a simple algebraic equation or it may be measured in a spring testing machine. The spring constant k can be calculated as follows:where d is the wire diameter, G is the spring's shear modulus (e.g., about 12,000,000 lbf/in² or 80 GPa for steel), and N is the number of wraps and D is the diameter of the coil.Wheel rateWheel rate is the effective spring rate when measured at the wheel. This is as opposed to simply measuring the spring rate alone.Wheel rate is usually equal to or considerably less than the spring rate. Commonly, springs are mounted on control arms, swing arms or some other pivoting suspension member. Consider the example above where the spring rate was calculated to be500 lbs/inch, if you were to move the wheel 1 inch (without moving the car), the spring more than likely compresses a smaller amount. Lets assume the spring moved 0.75 inches, the lever arm ratio would be 0.75 to 1. The wheel rate is calculated by taking the square of the ratio (0.5625) times the spring rate. Squaring the ratio is because the ratio has two effects on the wheel rate. The ratio applies to both the force and distance traveled.Wheel rate on independent suspension is fairly straight-forward. However, special consideration must be taken with some non-independent suspension designs. Take the case of the straight axle. When viewed from the front or rear, the wheel rate can be measured by the means above. Yet because the wheels are not independent, when viewed from the side under acceleration or braking the pivot point is at infinity (because both wheels have moved) and the spring is directly inline with the wheel contact patch. The result is often that the effective wheel rate under cornering is different from what it is under acceleration and braking. This variation in wheel rate may be minimized by locating the spring as close to the wheel as possible.Roll couple percentageRoll couple percentage is the effective wheel rates, in roll, of each axle of the vehicle just as a ratio of the vehicle's total roll rate. Roll Couple Percentage is critical in accurately balancing the handling of a vehicle. It is commonly adjusted through the use of anti-roll bars, but can also be changed through the use of different springs.A vehicle with a roll couple percentage of 70% will transfer 70% of its sprung weight transfer at the front of the vehicle during cornering. This is also commonly known as "Total Lateral Load Transfer Distribution" or "TLLTD".Weight transferWeight transfer during cornering, acceleration or braking is usually calculated per individual wheel and compared with the static weights for the same wheels.The total amount of weight transfer is only affected by 4 factors: the distance between wheel centers (wheelbase in the case of braking, or track width in the case of cornering) the height of the center of gravity, the mass of the vehicle, and the amount of acceleration experienced.The speed at which weight transfer occurs as well as through which components it transfers is complex and is determined by many factors including but not limited to roll center height, spring and damper rates, anti-roll bar stiffness and the kinematic design of the suspension links.Unsprung weight transferUnsprung weight transfer is calculated based on the weight of the vehicle's components that are not supported by the springs. This includes tires, wheels, brakes, spindles, half the control arm's weight and other components. These components are then (for calculation purposes) assumed to be connected to a vehicle with zero sprung weight. They are then put through the same dynamic loads. The weight transfer for cornering in the front would be equal to the total unsprung front weight times theG-Force times the front unsprung center of gravity height divided by the front track width. The same is true for the rear.Suspension typeDependent suspensions include:∙Satchell link∙Panhard rod∙Watt's linkage∙WOBLink∙Mumford linkage∙Live axle∙Twist beam∙Beam axle∙leaf springs used for location (transverse or longitudinal)The variety of independent systems is greater and includes:∙Swing axle∙Sliding pillar∙MacPherson strut/Chapman strut∙Upper and lower A-arm (double wishbone)∙multi-link suspension∙semi-trailing arm suspension∙swinging arm∙leaf springsArmoured fighting vehicle suspensionMilitary AFVs, including tanks, have specialized suspension requirements. They can weigh more than seventy tons and are required to move at high speed over very rough ground. Their suspension components must be protected from land mines and antitank weapons. Tracked AFVs can have as many as nine road wheels on each side. Many wheeled AFVs have six or eight wheels, to help them ride over rough and soft ground. The earliest tanks of the Great War had fixed suspensions—with no movement whatsoever. This unsatisfactory situation was improved with leaf spring suspensions adopted from agricultural machinery, but even these had very limited travel. Speeds increased due to more powerful engines, and the quality of ride had to be improved. In the 1930s, the Christie suspension was developed, which allowed the use of coil springs inside a vehicle's armoured hull, by redirecting the direction of travel using a bell crank. Horstmann suspension was a variation which used a combination of bell crank and exterior coil springs, in use from the 1930s to the 1990s.By the Second World War the other common type was torsion-bar suspension, getting spring force from twisting bars inside the hull—this had less travel than the Christie type, but was significantly more compact, allowing the installation of larger turret rings and heavier main armament. The torsion-bar suspension, sometimes including shock absorbers, has been the dominant heavy armored vehicle suspension since the Second World War.中文翻译悬吊系统(亦称悬挂系统或悬载系统)是描述一种由弹簧、减震筒和连杆所构成的车用系统，用于连接车辆与其车轮。

汽车专业外文文献英文翻译

外文文献原稿和译文原稿A New Type Car -- Hybrid Electric VehicleWith skyrocketing fuel prices and changes in weather patterns, many car manufacturers claimed to develop the kind of vehicles that will increase the mileage and reduce the emissions. Hybrid car is a kind of vehicle which can meet above requirements. A hybrid car features a small fuel-efficient gas engine combined with an electric motor that assists the engine.The reasons of building such a complicated machine are twofold: to reduce tailpipe emissions and to improve mileage. Firstly, hybrid cars are good for the environment. They can reduce smog by 90 percent and they use far less gasoline than conventional cars. Meanwhile, hybrid cars burn less gasoline per mile, so they release fewer greenhouse gases. Secondly, hybrid cars are economical. Hybrid cars, which run on gas and electricity, can get up to 55 to 60 miles per gallon in city driving, while a typical SUV might use three times as much gas for the same distance! There are three reasons can mainly account for that: 1) Hybrid engines are much smaller than those on conventional cars. A hybrid car engine is to accommodate the 99% of driving time when a car is not going up hills or accelerating quickly. When extra acceleration power is needed, it relies on the battery to provide additional force. 2) Hybrid gasoline engine can shut off when the car is stopped and run off their electric motor and battery.3) Hybrid cars often recover braking energy. Electric motors could take the lost kinetic energy in braking and use it to charge the battery. Furthermore, hybrids are better than all-electric cars because hybrid car batteries recharge as you drive so there is no need to plug in. Most electric cars need to be recharged every 50-100miles. Also, most electric cars cannot go faster than 50-60 mph, while hybrids can.Hybrid cars bridge the gap between electric and gasoline-powered cars by traveling further and driving faster and hybrid gas-electric cars are proving to be a feasible alternative at a time of high gas prices. So, in my opinion, hybrid cars will have a bright future.How Does Hybrid Electric Vehicle Work？You probably own a gasoline or diesel-engine car. You may have heard of electric vehicles too. A hybrid vehicle or hybrid electric vehicle (HEV) is a combination of both. Hybrid vehicles utilize two or more sources of energy for propulsion. In the case of HEVs, a combustion engine and an electric motor are used.How it works depends on the type of drive train it has. A hybrid vehicle can either have a parallel or series or parallel-series drive train.Parallel HybridThe parallel hybrid car has a gas tank, a combustion engine, transmission,electric motor, and batteries.A parallel hybrid is designed to run directly from either the combustion engine or the electric motor. It can run using both the engine and the motor. As a conventional vehicle, the parallel hybrid draws its power from the combustion engine which will then drive the transmission that turns the wheels. If it is using the electric motor, the car draws its power from the batteries. The energy from the batteries will then power the electric motor that drives the transmission and turns the wheel.Both the combustion engine and the electric motor are used at the same time during quick acceleration, on steep ascend, or when either the engine or the motor needs additional boost.Since the engine is directly connected to the wheels in a parallel drive train, it eliminates the inefficiency of converting mechanical energy into electrical energy and back. This makes a very effective vehicle to drive on the highway.Series HybridThe series hybrid car also has a gas tank, a combustion engine, transmission, electric motor, and batteries with the addition of the generator. The generator can be the electric motor or it can be another separate component.The series configuration is the simplest among the 3. The engine is not connected to the transmission rather it is connected to the electric motor. This means that the transmission can be driven only by the electric motor which draws its energy from the battery pack, the engine or the generator.A hybrid car with a series drive train is more suited for city driving conditions since the engine will not be subjected to the varying speed demands (stop, go, and idle) that contributes to fuel consumption.Series-Parallel HybridThe series-parallel configuration solves the individual problems of the parallel and series hybrid. By combining the 2 designs, the transmission can be directly connected to the engine or can be separated for optimum fuel consumption. The Toyota Prius and the Ford Escape Hybrid use this technology.Honda’s hybridFor those of you who have toyed with the idea of buying a hybrid but were discouraged by the price, you are not alone. In fact, despite the growing concern for the environment, not to mention the skyrocketing price of gas, hybrid cars still only represent a small percentage of global car sales, and a major reason for this is the cost.Hybrids are considered the wave of the future because they not only reduce emissions, addressing the issue of climate change, but they get great gas mileage, an important consideration with the current price of oil. It should be noted that hybrids can also improve the power of the engine, which compromises any advantages in fuel efficiency and emissions. Whatever the application, however, the technology makes the cars more expensive.Because of this, they are the vehicle of choice for only a small niche of people who can afford them, and they currently enjoy a special status amongst the image conscious celebrity-set. For most average consumers, however, they are not an option.That may soon change.Honda Motor Corporation, one of the largest car manufacturers in the world and a leader in fuel efficient technology, has unveiled it’s plan to introduce a low-cost hybrid by 2009. If they can pull it off, they hope to make the hybrid a more mainstream car that will be more appealing to the general public, with the ultimate goal of achieving greater sales and broader appeal than their current incarnation.This, of course, is making Detroit nervous, and may signal a need for American car makers to start making greener and more fuel efficient vehicles, something they could afford to ignore in the past because hybrid cars weren’t worth their attention (due to such a small market share) while gas-guzzling SUVs have such high profit margins.Honda, meanwhile, has had to confront a growing need to compete with Toyota, which has not only grown to be the world’s largest automaker, but makes the car that has become synonymous with the hybrid movement, the Prius. Honda is therefore faced with the seemingly insurmountable task of challenging Toyota’s dominance in the market.Concurrently, Toyota is racing to lower production costs on the Prius, as well, which would hopefully result in a lower cost to the consumer. All eyes are on a potentially favorable car buyers market in 2009.In the meantime, with even adamant global warming naysayers warming up (no pun intended) to the possibilities of an ecological disaster on the horizon, maybe it’s time that we got over our need to drive huge SUVs and start moderating our fuel consumption.Then again, as gas prices hovering around $4.00 and with no ceiling in sight, we may have little choice in the matter.Engine Operating PrinciplesMost automobile dngines are internal combustion, reciprocating 4-stroke gasoline engines, but other types have been used, including the diesel, the rotary ( Wankel ) , the 2-srtoke, and stratified charge.Reciprocating means up and down or banck and forth, It is the up and down action of a piston in the cylinder blick, or engine block. The blick is an iron or aluminum casting that contains engine cylinders and passges called water jackets for coolant circulation. The top of the block is covered with the cylinder head. Which forms the combustion chanber. The bottom of the block is covered with an oil pan or oil sump.Power is produced by the linear motion of a piston in a cylinder. However, this linear motion must be changed into rotary motion to turn the wheels of cars of trucks. The piston is attached to the top of a connecting rod by a pin, called a piston pin or wrist pin. The bottom of the connecting rod is attached to the crankshaft. The connecting rod transmits the up-and-down motion of the piston to the crankshaft, which changes it into rotary motion.The connecting rod is mounted on the crankshaft with large beaings called rodbearings. Similar bearings, called main bearings, are used to mount the crankshaft in the block. Shown in Fig. 1-1The diameter of the cylinder is called the engine bore. Displacement and compression ratio are two frequently used engine specifications. Displacement indicates engine size, and compression ratio compares the total cylinder volume to compression chamber volume.The term stroke is used to describe the movement of the iston within the cylinder, as well as the distance of piston travel. Depending on the type of engine the operating cycle may require either two or four strokes to complete. The 4-stroke engine is also called Otto cycle engine, in honor of the German engineer, Dr. Nikolaus Otto, who first applied the principle in 1876. In the 4-stroke engine, four strokes of the piston in the cylinder are required to complete one full operating cycle. Each stroke is named after the action it performs intake, compression, power, and exhaust in that order, shown in Fig1-2.1、Intake strokeAs the piston moves down, the vaporized mixture of fuel and air enters the cylinder through open intake valve. To obtain the maximum filling of the cylinder the intake valve opens about 10°before t.b.c., giving 20°overlap. The inlet valve remains open until some 50°after b.d.c. to take advantage of incoming mixture.2、 Compression strokeThe piston turns up, the intake valve closes, the mixture is compressed within the combustion chamber, while the pressure rise to about 1Mpa, depending on various factors including the compression ratio, throttle opening and engine speed. Near the top of the stroke the mixture is ignited by a spark which bridges the gap of the spark plug.3、 Power strokeThe expanding gases of combustion produces a rise in pressure of the gas to some 3.5Mpa, and the piston is forced down in the cylinder. The exhaust valve opens near the bottom of the stroke.4、Exhust strokeThe piston moves back up with the exhaust valve open some 50°before b.d.d., allowing the pressure within the cylinder to fall and to reduce ‘back’pressure on the piston during the exhaust stroke, and the burned gases are pushed out to prepare for the next intake stroke.The intake valve usually opens just before the exhaust stroke. This 4-stroke cycle is continuously repeared in every as long as the engineremains running.A 2-stroke engine also goes through four actions to complete one operating cycle.However, the intake and the compression actions are combined in one seroke, and the power and exhaust actions are combined in the other stroke. The term2-stroke cycle or 2-stroke is preferred to the term 2-cycle, which is really not accurate.In automobile engines, all pistons are attached to a single crankshaft. The more cylinders an engine has, the more power strokes produced for cach revolution. This means that an 8-cylinder engine runs more smoothly bdcause the power atrokes arecloser together in time and in degrees of engine rotation.The cylinders of multi-cylinder automotive engines arranged in one of three ways. 1、Inline engines use a single block of cylinder.Most 4-cylinder and any 6-cylinder engines are of this design. The cylinders do not have to be vertical. They can be inclined either side.2、V-type engines use two equal bands of cylinders, usually inclined 60degrees or 90degrees from the cach other. Most V-type engines have 6 or 8 cylinders, although V-4 and V-12 engines have been built.3、Horizontally opposed or pancake engines have two equal banks of cylinders 180degreeas apart. These space saving engine designs are often air-cooled, and are found in the Chevrolet Carvair, Porsches, Subaus, and V olkswagens. Subaus design is liquid cooled.Late-model V olkswagen vans use a liquid-cooled version of the air cooled VWhorizontally opposed engine.译文新型汽车----混合动力汽车在油价飞涨的今天，汽车制造商被要求发展一种排放低，行驶里程长的汽车。

汽车车辆专业前桥外文文献翻译中英文翻译外文翻译

外文文献（一）外文原文Front axle general is in the front of the bus, also known as steering axle or drive bridge. Automobile front axle is the last important assemblies, including the steering knuckle kingpin, steering, front beam and other components. Front axle through the suspension and frame, used to support the ground and the frame between the vertical load, but also bear the braking force and lateral force and the force of torque, and ensure that the steering rotation right movement. The axle is connected with the frame through the suspension, support most of the weight of vehicle, and wheel traction or braking force, as well as the lateral force after suspension to frame. In the car used in the steering bridge, the stress condition is more complex, so it should have enough strength. In order to ensure the wheel turns to the correct positioning of angle, make manipulation of light and reduce tire wear, steering bridge should have enough stiffness. In addition, should also try to reduce the weight of the bridge. In short, because of the automobile in the running process of the front axle, the abominable working environment, complicated working condition, the load is alternating load, thus the parts easy to fatigue cracking and even rupture phenomenon. This requires that the structural design must have enough strength, stiffness and resistance to fatigue failure of the ability.The front axle is the main load-bearing parts: the front axle, my company has a tubular and forging type two structural forms, but mainly to forging type mainly. The front ends of each with a fist shape bold part as the kingpin of the site installation. In both sides of the spring support for partial surface, used for the installation of steel plate spring and accessories. Need note here is: U type bolt passes through the front mounting holes need matter beneath the back nut in, often can appear with the front axle sleeve back band interference problem. Why can appear such problem? Design is a problem, because the front dorsal ribs affects front axle load, therefore must have a certain size requirements, and if both before and after the U bolt distance design is too small, not enough gap assembly will appear above problem. Two technical problems, technical problems in two cases. The first is the front dorsal rib symmetry is not good or mounting hole symmetrical degree andeasy to cause the problem; the second is that some host plant in order to avoid the vulnerable, without taking into account the reality of the product and blind to the sleeve outer diameter. Kingpin: is the impact of vehicle performance of main parts. Kingpin has stop groove, pin lock bolt through the stop groove masterPin fixed on the front axle kingpin bore, so that it can't move can not move axially. Knuckle pin machining accuracy is very high, my company is one of the parts of key control. Steering knuckle: steering knuckle is the main steering part of front axle. It uses the main pin and the front axle is hinged by a pair of axle bearing supporting hub combination, to achieve the function of turning. Brake assembly: is the realization of the wheel brake main component, a brake oil and gas brake two forms. Implemented in the vehicle brake command, brake friction plate through the expansion and brake drum machining surface contact friction realization of vehicle brake. Front axle brake option is very critical, if the choice is undeserved, can appear before and after the brake force is not a match, the braking force is not up to the requirements of many problems. Hub combination : by two rolling bearings mounted on the steering knuckle, drive the rotation of the wheels. At the same time with the friction plate to form a friction pair, to realize the brake wheel. Arm: straight rod arm, tie rod arm, respectively, and a straight rod assembly and the tie rod assembly. Formed a steering mechanism and a steering trapezoidal mechanism. The steering mechanism to complete the vehicle steering, steering trapezoid determines the vehicle inside and outside corner is reasonable. The tie rod assembly: is to adjust the beam before the main parts. The rod body is made of seamless steel tube manufacturing, both ends of the spherical hinge joint structure is the joint assembly, by a thread after the installation of the tie rod arm, the rod body is adjustable, so as to adjust the toe. Front axle under the front of the car weight, the car forward thrust from the frame to the wheel, and with the steering device arranged on parts make joint type connection, the implementation of the automobile steering. The front axle is the use of both ends of it through the main pin and the steering knuckle is connected to the steering knuckle, swing to realize vehicle direction.In order to make the running vehicle has good linear driving ability, front axle should meet the following requirements: in order to make the running vehicle has good linear driving ability, front axle should meet the following requirements:1sufficient strength,in order to ensure the reliable bearing wheel and frame ( or monocoque ) between the work force. 2 correct positioning of the wheels, so that the steering wheel movement stability, convenient operation and reduce tire wear. Front wheel positioning includes kingpin inclination, caster, camber and toe-in. 3sufficient rigidity, the force deformation small, ensure the main pin and a steering wheel positioned right angle remains constant. 4knuckle and master pin, steering and front axle between the friction should be as small as possible, to ensure that the steering operation for portability, and has sufficient abrasion resistance. 5 steering wheel shimmy should be as small as possible, in order to ensure the vehicle normal, stable exercise. 6 front axle quality should be as small as possible, in order to reduce unsprung mass, improve vehicle ride comfort.1mini car front axle 1mini car front mini car front suspension generally adopt the independent suspension structure. Front axle load is relatively small, the structure is simple. Mini car front axle usually disconnected movable joint structure, which is composed of a front axle body, strengthen the transverse swing arm, arm etc.. 2 car front axle2 car front axle front axle suspension with Mcpherson car. It bears the driving and steering functions, the suspension is connected with the vehicle body, and the lower end of the wheel bearing housing connected, wheel camber is through the suspension and the bearing shell of the connecting bolt to adjust, auxiliary frame through the elastic part by controlling the arm, ball hinge connected with suspension, improve the driving stability and ride comfort. 3off-road vehicle front axle3off-road vehicle front axle Off-road vehicle steering and driving front axle has two tasks, it is known as the steering driving axle. And it generally drive the movable bridge, with a main driver, differential and the axle shaft. The difference is, due to the need, half shaft is divided into two segments, and by a universal joint, while the main pin are made under paragraph two. The 4truck front axle 4truck front axle truck front axle with I-shaped cross section is mainly used to improve the front bending strength. The upper two plus wide plane, to support the steel plate spring. The front ends each having a fist shape portion, which has a through hole, as a kingpin only. Main pin and left steering knuckle hinge, with a threaded wedge pin crossed with the main pin hole of vertical through holes on the lock pin wedge surface, the main pin is fixed in the axle hole, so that it cannot rotate.In general, common material needed to define the material properties including: elastic modulus, Poisson's ratio, density, specific heat, thermal expansion coefficient. The front axle is mainly composed of two parts, material composition, i.e., front axle and steering knuckle such as zero Department of materials. The front axle is adopted as the material of45 steel, steering knuckle materials using 40Cr.Torsion bar of automobile front independent suspension is the key component, is a slender rod, the induction quenching process is the manufacturing process difficult point, this paper introduces the torsion bar quenching inductor and its process test results, determined using half ring type inductor continuous quenching technology, this method can meet the technical requirements and the quantities of torsion bar production.The forging forging molding, not only greater deformation, but also requires a certain deformation force,Therefore the selection of J53series double disc friction press comparative economics, this series press combined slipping flywheel, combined slipping flywheel can provide highly deformed large forgings with enough to form, and can provide for forgings will required deformation capacity, and not to overload, the series press equipment investment, the cost of the mold and forging cost than die forging hammer and the forging crank press cheap cheap host. At present, the domestic automobile front axle machining process are the following: (1) of two plane milling plate spring seat; the drill two spring seat plane ten holes; the rough milling of two main pin hole of upper and lower end surfaces; the fine mill main pin hole of upper and lower end surfaces; the drilling and reaming main pin hole; the broaching the main pin hole; the main pin hole on the lower end of the countersink reaming pin holes;. In this scheme, the following questionQuestions:1 adopting main pin hole positioning countersink on the lower end, and the end surface of the main pin hole verticality can not be guaranteed, the main pin hole size height can not be guaranteed to the main pin hole; the positioning of the drill pin hole, drill through the cross intersection holes, easy cutting phenomenon, students offset, causing the main pin hole and the locking pin hole center distance can not be guaranteed. (2) of two plane milling plate spring seat; the drill two spring seat plane ten holes; the drilling and reaming pin holes on the rough milling of a main pin hole on upper end; the fine mill main pin hole of upperand lower end surfaces; the drilling and reaming main pin hole. In this scheme, there are the following problems: the process is used to drill the locking pin hole after the drill main pin hole, and the pin - fL: fL size and position size is the key size, kingpin is difficult to ensure the accuracy of the first; fine mill main pin hole of the upper and lower ends after processing the main pin hole, end relative to the main pin hole verticality is difficult to guarantee. (3) of two plane milling plate spring seat; the drill two spring seat plane ten holes; the drilling and reaming pin holes; the rough milling kingpin on upper end; the drilling and reaming main pin hole; the fine mill main pin hole on the lower end surface. In this scheme, there are the following problems : the main pin hole and the pin hole cross intersecting hole size tolerance of0.1mm is not easy to maintain; to adopt the reaming main pin hole, the dimensional tolerances are not easy to be ensured; the final finish milling main pin hole on the lower end surface. The main pin hole and upper and lower end verticality is not easy to guarantee; the main pin hole size can not be guaranteed.Along with our country transportation enterprise rapid development, auto transport carrying capacity and running speed are continually increasing with. So people to the safe operation of the automobile is more and more attention, so the automobile axle design also raised taller requirement. As a result of foreign automobile development starts early, technical inputs, thus technically far ahead of China market, but also there are many insufficient places, still need to improve, technology also needs a breakthrough. Steam car industry as our focus on the development of pillar industries, its prospect is very wide. At present, auto parts production has certain potential, but most enterprises in product research, development and other aspects of the defect, especially lack of less product independent development capacity, can not adapt to the system support, delivery of modules, to participate in international division of labor. Because of this, in the future development, Chinese enterprises should actively absorb the international advanced automotive technology, and constantly improve the self body lines, such as braking systems, steering systems, expand the industry of product variety, improve the integral technology level, increase the strong technological development capability, urges the enterprise faster development, adapt to the trend of globalization of automobile industry.100 years ago, the car was just beginning, the steering is modelled on the carriageand bicycle steering mode, using a joystick or a handle to make the front wheel deflection, thus realizes the steering. Due to the manipulation of effort and unreliable, so often fatal accident. The first horseless pull four wheel vehicle comes out, have a front axle and a front wheel assembly, the assembly being mounted on the crankshaft, front axle center around a point of rotation, using a rod connecting the front axle, focus, through the floor and extends upward, the wheel is fastened on the rod end, in order to manipulate the car. This device in a vehicle speed not exceeding the speed, or very good, but when the vehicle speed is increased, the driver asks to improve steering accuracy, in order to reduce tire wear, prolong the service life of tyre. In 1817, the Germans Lincoln Spang Jay presented similar to the modern automobile, the front wheel with knuckle and beam connection, he developed a kind of automobile front wheel on the main shaft to allow independent rotary structure, which is connected with the steering wheel, steering knuckle and a rotatable pin and front axle, thereby the invention of modern steering trapezoidal mechanism.Since China's reform and opening up, execute in the country the household contract responsibility system reform, make the rural economy is all-time and active. Rural freight traffic and population flow increased dramatically, speeding up the transportation mechanization into rural classicsEconomic development urgent need, it is also the needs of the market that has Chinese distinguishing feature of transport machinery -- emerge as the times require small truck. It has solved the countryside transportation need, fill the villages, townships, towns and urban transportation network is blank, active rural economics, for the surplus rural labor force to find a way out, so that tens of thousands of farmers to be on comparatively well-off road.Small truck manufacturing process is simple, cheap, purchase a car farmers generally in a year or so we can recover the cost. In addition, the highway construction has promoted the rapid development of small truck, the98% villages are on the road, so that the small truck with play.We want to develop a small truck to optimize the design, to make new products, diversification of varieties to meet a variety of needs. In a small truck design, how the complex road conditions to ensure the smooth running of the car quickly, is a serious problem. Then there is the subject of research and design.Automobile front axle driving system important constituent, it is connected with the frame through the suspension, steering wheel mounted at both ends, used to support frame and transmission wheel and frame between a variety of force, and drives the steering knuckle swing to realize vehicle steering. Using the hinge device causes the wheel to deflect a certain angle, so as to realize the steering of a vehicle axle called steering bridge, general vehicle used for steering bridge bridge, the front for steering bridge. Steering bridge not only can make the left and right wheels arranged at the front end to deflect a certain angle to realize the steering, should also be able to bear vertical load and by the road, the brake force is exerted on the longitudinal force and lateral force and the force formed by the moment. Therefore, the steering bridge must have sufficient strength and rigidity. Wheel steering process of internal friction between the pieces should be as small as possible, and to keep the vehicle steering light and the direction stability.Steering axle is generally composed of front axle, steering knuckle, steering knuckle arm, steering knuckle pin and the hub.Front axle general is in the front of the bus, also known as steering axle or drive bridge. The suspension is connected with the frame, used to support the ground and the frame between the vertical load, but also bear the braking force and lateral force and the force moment, and ensure that the steering rotation right movement. In the car used in the steering bridge, stress is more complex, so it should have enough strength. In order to ensure the correct positioning of the steering wheel angle, make the manipulation of light and reduce tire wear, steering bridge should have enough stiffness. In addition, should also try to reduce the weight of the bridge.Front axle under the front of the car weight, the car forward thrust from the frame to the wheel, and the steering device on parts make joint type connection, the implementation of the automobile steering. The cross-country vehicle front axle but also bear and rear axle the same driving task. General cargo vehicle with front engine rear drive arrangement, the front for steering bridge.Automobile front axle design should ensure adequate design strength, to ensure reliable bear acting force between wheel and frame; ensure the adequate rigidity, so that the wheel positioning parameters constant; ensure that the steering wheel have thecorrect localization angle, so that the steering wheel movement stability, convenient operation and reduce the tire friction; steering bridge quality as small as possible, in order to reduce non spring quality, improve the ride comfort of vehicles.译文前桥一般位于汽车的前部，也称转向桥或从动桥。

很全的汽车行业英语

汽车专业英语AA- arm (悬架)A[v]形臂,=wishboneabbreviation(s) 缩略语ability 能力．性能，本领absolute 绝对的．纯粹的．无条件的absolute pressure sensor 绝对压力传感器absorber ①减振(震]器．阻尼[缓冲]器②吸声层．吸收器(剂) absorption ①吸收，（取，附)accelerating 加速[快](的)accelerating ability 加速能力acceleration ①加速(过程．作用)②加速度acceleration cable 加速踏板拉索．节气门拉索acceleration capability 加速性能acceleration—dependent 与加速相[有]关的，依赖[靠]加速的acceleration enrichment (混合气)加速加浓air baffle ①挡风板，折流板②(风冷发动机)导风板air bag或airbag 安全气囊air—bag assembly 安全气囊组件[总成]air bag module ①同上②安全气囊控制模块air bellow (波纹式)空气箱[弹簧]air bellows (空气悬架)空气弹簧(气囊)air bleed 放气(孔)air bleeder 放气阀[装置]air brake 气压制动(器)air brake cylinder 气压制动缸，制动气室air brake(braking) system 气压制动系air cell 空(蓄]气室air cell chamber (柴油机)空气室燃烧室air chamber 空气腔[室]air charge 空气充入，进气air charge temperature 进气温度air cleaner 空气滤清器air-cleaner cover 空气滤清器盖air compressor 空气压缩机，空压机air conditioner 空调装置[器]，空调air conditioning ①同上②空气调节air control ①空气调节[控制]②(压缩空气)气动控制[操纵]③(客厢通风)风量[空气]调节杆，风量[向]控制air-controlled 压缩空气操纵[驱动]的，气[风]动的air control valve 空气控制阀air-cooled 空气冷却的，风冷的air cooler 空气冷却器air cooling 空气冷却，风冷air cushion 气垫，安全气囊air cutoff valve (二次)空气切断阀air damper ①空气阻尼[减振]器，气动缓冲器②空气活[节气]门，风门air dam skirt ①(汽车空气动力学)阻风[扰流]板②导流板[罩]，阻风板，风挡air deficiency (进气系统)空气不足air deflector ①导流板，气流(偏)导板②(货车驾驶室)导风板，导流罩air density 空气密度air director 导风罩air distribution 空气(风量]分配air door ①空气阀门(闸板]②(客厢通风)风门，空气节气门air drier 空气干燥器[剂]air-driven 气(压驱)动的，风动的air-dry 气[风]干的air duct 风管，空气(导，输送)管air-fast 不透[通]气的，密封的air filter 空气滤清器airflow ①(空)气流②空气流量air flow meter(sensor）空气流量计air／fuel (进气系统)空气／燃油air-fuel mixture (进气系统)空气、燃油混合气[物]，(可燃)混合气air／fuel ratio 空燃比air funnel ①空气道②(连续燃油喷射)空气漏斗⑧(进气系统)进气喇叭口[状管] air gap ①气隙②(火花塞)跳火间隙air gauge 气压表air horn ①气喇叭②(化油器)上盖，进气(喇叭)口(=air inlet)air-hydraulic 气动液压的air injection ①空气喷射②(排放控制系)二次空气喷射air injection diverter 二次空气喷射分流器air injection pump (二次)空气喷射泵air injection reactor 二次空气喷射反应器air inlet ①空气进口[孔]②进气air intake ①进气②空气吸入孔，进气管air intake door (空调)空气进气节气门air intake heater 进气加[预]热器air intake system 进气系统airless injection 机械压力喷射air lever (通风／控制器)空气[风门]控制杆air management 空气管理air mass (进气系统)空气质量，进气质量air—mass flow 进气质量流量air mass meter(sensor）质量型空气流量计air(-)meter 空气流量计air mixture door (空调器)空气混合风门air—out 出气[风]，出气[风]口air outlet ①空气出口，出气口②空气排(流，放]出air—over hydraulic ①气动-液压系统(俗称气顶油)②气动液压的air over hydraulic brake system 气动液压[气顶油]制动系air—powered (压缩)空气驱动的，气动的air pressure 气压，大气压力air pressure horn 气喇叭airproof 密封的，气密的，不漏气的air rate 空气流量air reservoir 储[贮]气筒，空气储存容器air shield=air deflectorangular velocity 角速度annular groove 环(形)槽annular opening[orifice] 环形孔[口]annulus ①内齿轮，(齿)圈，(行星齿轮系)内齿圈[环]②环形物，环形套筒antenna 天线anti-dazzle 【动，名】防眩(目)antidazzle cap (前照灯)遮光帽[罩]，防眩(目)灯罩anti-dive (制动时)防俯冲[点头](装置)antifreeze ①防冻(的)②防冻剂，不冻液antifreezing fluid 防冻液antifriction bearing 滚动轴承antiglare 防眩光的，遮光的anti-interference 防[抗]干扰(的)antiknock ①抗爆燃(的)②抗爆(燃)剂antiknock additive[agent] (汽油)抗爆添加剂antiknock quality (汽油)抗爆性[等级]ANTI LOCK (显示器用字符)防抱死制动anti-lock brake 防抱死制动系统，ABSanti-lock brake[braking] system 同上antiroll(ing) ①横向稳定的，防侧倾(的)②抗滚(动)(的)，抗倾翻(的) anti-roll (车辆转弯时)抗[防]侧倾anti(-)roll bar (悬架)横向稳定杆anti(-)roll bar link 横向稳定杆铰接(头)antirust 防锈(的)，耐锈[蚀](的)antiskid ①防滑移的②(制动系)防(车轮)抱死的antiskid system (制动系)防抱死系统antislip 防滑(转)anti-slip control 驱动防滑[牵引力]控制系统anti-slip regulation 同上antisplash 防溅污的，挡泥[溅]的anti-squat (车辆)防尾部下沉，防后坐anti squeal 消声(的)anti-theft (汽车)防盗(装置)anti-theft alarm 防盗报警(装置)aperture 孔，洞，隙缝A pillar (车身)前柱，A柱appearance 外观[貌，形]，外表appliance 用[器]具，设备，仪表，附件applicable ①适用的②适当(合]的application ①应用，运用②作用，施加application force 作用[施加]力application of brakes 制动application pressure (制动蹄)作用压力application time 作用时间apply 【动】①应用，实施，运用②施加，作用 (力，载荷) appointments 装置，设备approach angle 接近角approx．=approximateapproximate 近似(的)，大约(的)，左右apron (围)裙，(防护)挡板，裙[盖]板arbor (心，枢，主)轴，（刀）杆，芯骨arc ①电弧，弧光②弧形的arch ①拱(形，顶)，弓形②(车身)轮室[罩]arched tire 拱形[超宽断面]轮胎area ①地区，区域，领域，范围，场地②面积areometer 液体密度[比重]计arm ①臂，(手)柄，杆，(条，轮)辐②指针，指示器③支[托]架，扶[靠]手armature 电枢armature coil[winding] 电枢线圈[绕组]armored hose 铠装软管arm rest (内部设施)肘靠arm support (内部设施)肘靠，放手垫arrangement ①排列，布[配]置②装置[备]，设备arrow 箭(头)，指针articulate 【动】①用关节相连，铰(链)接(合)，活动连接②铰链的，曲柄的，活节的articulated ①铰接的，铰链连接的，有关节的②摆动的，回转的articulated vehicle 铰接式车辆，带半挂车的牵引车ash 灰，粉尘，尘埃ash tray(case) 烟灰盒[缸]aspect angle 视界[线]角aspect ratio (轮胎)高宽比assemble 【动】装配，安[总]装，组[配]合assembled 装配式(的)，安装的，组合的assembled camshaft 组合式凸轮轴assembled crankshaft 装配式曲轴assembly ①装配，组[总，安]装②总成，组(合)件assembly&disassembly 装配和拆卸，组装和分解assembly drawing 装配[组装，总]图assembly instructions 装配指南[规程]，安装说明(书)assembly line data link 汇编行数据通信链路assist 【动，名】①帮[协，辅]助，促使②加速[助推](器)，辅助装置③助手assistant ①助剂，辅助物②辅[补]助的assistant driver seat (货车)副驾驶座椅assist grip (车内)扶手，拉手assist handle (客车)扶手assist spring 辅助[副钢板]弹簧，副簧assist strap (客车)吊带，拉手assist type ①辅助装置型式②(制动系)助力(器)型式asymmetric(al) 不[非]对称的，不平衡的atmospheric(al) ①大气(中)的②空气的．常[气]压的atmospheric pressure 大气压力，气压atmospheric suspended 大气悬浮式(参阅 air suspended type②)attach 【动】①附着[加，属]，连接②固定,吊[悬]挂attached 附上…的，连接的，固定的attachment ①附着，连接，固定②附着物，附[配]件attemperator 温度调节器，恒[节]温器Audi (德)奥迪(汽车，公司)(大众的子公司)audio system 音响系统authorized 允许的，特约的，指[规]定的authorized axle load (底盘)允许轴荷载authorized service shop 特约维修站authorized workshop 特约修理厂auto ①自动的②汽车auto- 【词头】①自[本]身(的)②同源（的）③自动(的)auto accessories 汽车附件[属装置]auto antenna ①汽车天线②自动天线autobulb 汽车灯泡autoignition ①(汽油机)自动[积燃]点火，自燃②(柴油机)压燃automaker 汽车制造商[厂]automatic ①自动(化，操作)的②自动装置automatic air conditioner 自动空调器automatic brake (制动系)自动制动器automatic compensation ①自动补偿[平衡]②(间隙)自动调整automatic control 自动控制automatic gearbox 自动变速器automatic heater 自动加热[取暖]器automatic locking differential 自动锁止式差速器automatic ride control 行驶平顺性自动控制automatic shift 自动换档[变速]automatic stability control 加速防滑[牵引力]控制系统(=traction control system) automatic timing ①自动调节配气相位②自动正时[提前]automatic transaxle 自动变速驱动桥automatic transmission 自动变速器automatic transmission fluid 自动变速器液automobile 汽车(尤指私人乘用车)automobile technique 汽车技术automotive equipment 汽车装[设]备automotive parts 汽车零(部)件，汽车配件Automotive Service Excellence／ASE (美国)汽车维修技能鉴定协会(汽车维修技师的技能鉴定组织)automotive stabilization system 汽车稳定系统auto(-)parts 汽车零部[配]件autoshift (自动变速器)自动换档autothermic piston 防热膨胀活塞auto tire 汽车轮胎auto-truck 货车，载货汽车，卡车auxiliary ①辅助的②附件，辅助设备auxiliary air ①二次空气②辅助空气auxiliary brake ①(行车制动器)辅助制动(器)，缓速器②驻车制动器auxiliary chamber 副燃烧室auxiliary device 辅助装置[设备]average ①平均的，普通的②平均(数，值)average braking (制动系)中等制动average consumption ①平均消耗(量)②(发动机)平均耗油量[率]awning 篷awning pipe 篷杆axial 轴向[线]的，轴流式的axial ball bearing 轴向推力球轴承axial bearing 轴向推力轴承axial clearance 轴向间隙axial flow 轴流(式)，轴向气流[流动]axial line 轴线axial play 轴向间隙axial runout 轴向偏摆[跳动]axis ①(旋转物体所绕以旋转的)轴②轴线, 坐标轴(线)axis of rotation 旋转轴axle ①(车辆)车桥，轴②心捧，(轴)杆③半轴axle air vent 桥壳通气(阀，口)axle arm (悬架)车桥(定位，控制)臂axle base (底盘)轴距，前后桥距axle bearing ①半轴轴承②轴支承[座]axle body[box] (底盘)轴身，车桥壳axle bracket (底盘)车桥支座[托架]axle case[casing] 桥壳，半轴轴壳axle end ①轴端②(非转向和非驱动桥)车桥轴颈[枢轴]③半轴轴端④半轴轴颈axle housing (车)桥壳axle load (底盘)车桥[轴]载荷axle nut 半轴螺母axle ratio 主传动比，驱动桥速比axle shaft (车桥)半轴，驱动轴axle side shake 车轴横向振动axle sleeve ①轴壳②半轴套管axle spindle 车轴轴颈axle spread 轴距axle tube 半轴套管，驱动桥壳管============================================================================= =Bbabbit metal 巴氏合金babbit(t) 巴氏[巴比特]合金(的)back ①背(面，部)，后部②(座椅)靠背backbone ①构架，骨架，主干，脊骨[柱]②(底盘／车架)脊骨[中梁]型③(人体)脊骨back door (车身)后背门back engine (车辆)后置发动机back fire (内燃机)回火，放炮backfiring 同上backing．①背衬，衬(垫，板，底,里) ②底座 [板]，基础，垫片[板]③支架[承]靠背④倒车，向后行驶，倒转back lamp 尾[后]灯backlash 间[游，齿]隙back light ①尾灯②(车身)后窗玻璃backlite (车身)后窗(玻璃)(=backlight)back mirror 后视镜back panel ①(货车驾驶室)后围板②(车身后端)后板[壁]back plate ①(离合器)盖②底[基础]板，背(面)板③(车身／驾驶室)后围板④(鼓式制动器)底板，(盘式制动器制动衬块)背板back-play 游隙，空隙backpressure ①背压②反压(力)back pressure transducer 背压[排气压力]传感器backrest (座椅)靠背back side panel 后侧板back tilt adjuster 靠背倾角调节器back(-)up ①(车辆)倒车②备件③(作)备件用的，备用的④备用功能，失效保护功能back-up buzzer 倒车报警器back-up fuse 备用熔断器(丝)backup lamp(light) 倒车灯backup power 备用电源back-up ring (密封件)挡环[圈]back valve 背压阀back view 后[背]视图back wall ①(客车)后围②后板baffle ①隔[挡，阻，防护]板②导流[向]板③【动】阻碍[止]，阻断，挡回baffle plate ①隔板，挡板②(液力变矩器) 导流叶片③(油底壳)稳定板，机油挡板bag 袋，气囊baggage 行李baggage compartment (车身)行李箱baggage holder[rack] 行李架balance 平衡，均衡，均势balance bar 平衡杆balance block 平衡块balanced 平衡的，处于平衡状态的balancer ①平衡器[重，锤，杆，装置]，配重②(车间／车轮)动平衡机[装置] balance weight 平衡质量，平衡配重[置]balancing 平[均]衡，补偿ball 球(状物)，滚珠ball-and-cage constant velocity joint 球笼式等角速万向节ball-and-nut steering gear 球和螺母[循环球]转向器ball-and-socket 球窝[支承]式的，球节的ball-and-socket joint 球接头，球(窝)关节ballast ①镇定物，平稳[衡]器②(电气)镇流器(电阻]③(前照灯)控制器[机构] ballast resistance 镇流[平稳]电阻ballast resistor ①(点火系)附加电阻②镇[稳]流电阻器ballast weight 平衡重，压舱[载]重(物)ball bearing 球[滚珠]轴承ball-bearing race 球轴承座圈ball cup 球(头)座ball head 球头(轴)bellows ①波纹管[筒]，伸缩软管②橡胶气囊belt ①带，皮带②(轮胎)带束层belt anchorage 安全带锚[固]定belt drive 带传动beltline (车身)腰线belt pulley (传动)带轮belt tension 带张力[挠度]belt tensioner 带张紧器bench ①(客厢)长条座椅，长凳②(工作)台，架，座，(试验)台架bench seat 长条座椅bend ①弯曲②弯管[头]，弯曲物bendable 可挠[能弯]曲的bending 弯[挠]曲(度)，扭弯Bendix drive (起动机)惯性式离合器bent 弯曲[挠曲，弓形]的Benz (德)奔驰(汽车，公司)berth (货车驾驶室)卧铺bevel ①斜角[面，齿]，(斜)边，坡口②倾斜的，斜角的，圆锥的beveled＝bevelledbevel epicyclic hub reductor 行星锥齿轮式轮边减速器bevel gear ①锥齿轮②锥齿轮传动bevelled ①倾斜的，有斜面的，切有倒角的②锥[楔]形的，(活塞环)锥面的bezel ①装饰圈[环]，(仪表)框(架)，玻璃框②(前照灯)装饰圈，边框③照明刻度盘④斜刃面，斜肋[散热片]bias ①偏差[离，移，置，压，流，向]②偏斜[动]的bias(-)belted tire 带束斜交轮胎bias ply (轮胎)斜交帘布层bias tire 斜交(帘线)轮胎big end (连杆)大头bi-level (空调出风)双向bilge 弯[拱，凸，挠]度bimetallic 双金属的bimetallic vacuum switching valve 双金属真空开关阀bind 【动】捆，绑，扎binding ①(车身)压条②结[粘，胶]合③扎线，包带④粘合的，捆扎的black 黑色black oil 黑油，齿轮油black smoke (排气)黑烟bladder accumulator 囊式蓄压[能]器blade ①叶(片)②刀(片，刃，口)，刃③(插头和插座式连接器)插片④(刮水器)刮片blade element[insert] (刮水器)橡胶刮片blade ring 叶片圈[环]blade socket 片式插座blade terminal 接线片，片式插头blade wheel 叶轮，(叶轮泵)转子blast 【动，名】①(车间)喷[吹]洗，喷砂[丸]②鼓[吹，送，通]风bleed 【动】放[漏]出，泄漏，放(油，气，水)bleed air (液压系统)放出空气bleeder ①放气装置[螺钉]②放水[油]阀bleed(er)screw 放气[泄]螺钉bleeder valve 放泄[水，油，气]阀bleed hole ①放气孔②溢流孔bleeding ①(液压系统)放气③渗漏bleeding valve 放泄阀，溢流阀blending 混合blending box (供暖装置)混合室blending door (供暖装置)混合风[闸]门blind ①盲的，单凭仪表操纵的②封闭的，堵死的，不通的③帘，幕，百叶窗，挡板④嵌[镶]入的，埋头的⑤【动】使目眩blind hole 不通孔，盲孔blinding ①眩目的②模糊[不清晰](的)blind nut 闷盖[盲]螺母blister ①气[水]泡②局部隆起，起泡block ①块(体，材，料，形)，方[垫，滑]块②部分，区(段，组，间)③单元，部件④(气)缸体⑤阻塞[断]block diagram (方)框图blocking 阻塞[断]，闭[封，联]锁，中[截]断blocking device 锁定装置blocking element 闭锁元件blocking ring (同步器)锁环blow 1．【名】①吹(风)，喷②打(击)③(熔断器)烧[熔]断2．【动】①吹[鼓，送]风，充气②(熔断器)烧断，熔化blow back 【动】(发动机)反冲[转]blow-back (发动机)反冲[转]，回火blow-by (活塞环)窜[漏]气，不密封blow(-)by gas (活塞环)漏[窜]气blower 鼓风机，风扇blower unit 鼓风机(装置)blow hole ①气孔②气眼，砂眼blowing ①吹风[气]，鼓风②漏气，起泡，喷出③发[着]火④(熔断器)熔断blown (熔断器)熔断的blow off 【动】放，排(出)blow out 【动】①熔断③爆破，漏气blowout ①爆裂，爆破②熔断blue 蓝色blue smoke (排放)蓝烟board ①板，台②管理局[机构]③车载(的)bob weight 配重，平衡锤body ①车身，(货车)车厢，货箱②车[机]身，机[外]壳③(活塞)裙部④(人)身体body accessories 车身附件body care 车身维护[护理，美容]body cavity 车身空腔body-chassis unit 承载式车身body door 车门body electrics 车身电气设备body gate (车辆)①车身盖[活门]②货箱(活动)栏板body member ①(车辆)车身组成部分，车身元[部，构)件②(车辆／粱)车身梁[构架] body rail (车辆)车身梁[构架]body shell ①(乘用车)车身本体(不含附件及装饰件、未涂漆的车身，俗称“白车身”)②(货车)驾驶室本体body skeleton 车身骨架body skirt 车身裙部body structure ①车身结构②=body shellbody wax 车身抛光蜡bodywork 车身(制造，修理)bolster ①(牵引车)鞍座(装置)②承[垫]枕，垫木[块，板]③(车架)横[承]梁，(货箱)横梁bolt 螺栓bolted 用螺栓固定[连接]的bond ①胶(粘)剂，腔水②(焊接)熔合区③【名，动】粘[胶，焊]接，结合bonded (被)粘结[连接]的bonding ①粘[胶]接，结[耦，接]合②粘结料[剂]bonnet 罩，盖boost 【动，名】①(发动机)增[升]压，加大功率②助推，加[快]速③加强，提[升]高，增加[强]④(低频)放大，增强booster. 助[加]力器boot ①(车身)行李箱②(客货两用车)行李舱，货舱③罩．防尘套．(橡皮)套管boot box ①(车身)行李箱盒[隔间]②(内部设施)行李箱盆形衬箱，行李箱内护套boot dish 同上“②”bore ①孔，腔，膛．洞②孔[口，内]径bore diameter ①孔径②缸径bore×stroke 缸径×行程Bosch 波许[博世]公司boss ①轮毂②套筒③(铸件等的)凸起部[台，座]bottom ①底(部)．下部，末端②基础，根基③(连杆)大头bottom dead center [centre] 下止点bottom end ①下端，底部②(连杆)大头③(活塞行程)下止点bouncing 振[跳，颤，摇]动boundary friction 边界摩檫bow ①弓(形物)．弧，拱②弓形部分③(车顶／车身)弓形杆．篷弓[杆]bowl 碗．杯．盘box ①箱．盒．匣，接线盒②外壳．套．罩box body (载货汽车)厢式车厢[货箱]box section 箱形截面，封闭式断面box spanner 套筒扳手box-type 箱形的．盒式的brace 支撑件．支柱[杆]．拉杆[条]．系杆braced 加强的．撑[拉]牢的．支撑的braced(-tread)tire 带束层轮胎brace panel 加强[固]板bracing ①撑[拉]条．支柱(撑]，撑[系]杆．加强肋②加固．支撑．加劲③(货物)系紧bracket 支[托．悬，轴承]架．支柱braided strap 编织带[电缆]brake ①制动器②制动，刹车brake action 制动(作用)brake activation [actuation] 操纵[施加]制动brake adjuster 制动器(间隙)调节器brake anchor plate ①制动器底板②制动蹄支承盘brake application (施加)制动brake arm 制动杆brake assembly 制动器总成brake assist 辅助制动装置brake back(ing) plate 制动器底板brake balance 制动力平衡(分配)brake band 制动带brake boost (制动系)制动助力brake booster 制动助力器brake bottom plate 制动底板brake cable 制动拉索brake caliper [calliper] 制动钳brake-caliper frame 制动钳框架brake cam 制动(操纵)凸轮brake chamber (气压制动系)制动(气)室brake circuit (制动系)制动回路brake clearance 制动器间隙brake control ①制动操纵[控制]②制动驱动机构brake cup 制动器皮碗[圈]braked axle 有制动器的车桥brake disk 制动盘brake dive (车辆)制动点头brake drum 制动鼓braked wheel 有制动器的车轮brake fade 制动衰减，制动器逐渐失灵brake failure 制动失效brake fault 制动故障[损坏]brake feel(ing) 制动感(觉)brake fluid 制动液．刹车油brake-fluid level (制动液罐)制动液面[位] brake grinder 制动片磨削机brake hop 制动时车轮的垂直振[跳]动brake horsepower (发动机)制动[有效]功率[马力] brake hose 制动软管brake judder 制动器颤抖[抖动]brake lever ①制动拉杆②制动拉杆手柄brake line(pipe) 制动管路brake lining 制动衬片，制动蹄(摩擦)片Brake light switch煞车灯开关brake master cylinder 制动主缸(总泵)brake oil 制动液[油]brake pad (盘式制动器)制动衬块brake-pedal cup 制动踏板密封罩brake performance 制动性能brake pipe 制动管brake plate (自动变速器)制动片brake plunger (自动变速器)制动器活塞brake power ①制动力②有效功率brake pressure ①制动气压②制动压力brake pull rod (鼓式制动器)制动拉杆brake release 制动(器)释放brake reservoir 制动液储罐brake response 制动反应[灵敏度]brake rod 制动拉[传动]杆brake rotor 制动盘(=brake disk)brake servo ①制动助力[伺服]②制动助[加]力器brake shoe 制动蹄brake shoe anchor(pin) 制动蹄支承销braking ability 制动性(能)braking action (车辆)制动作用braking distance 制动距离braking drag 制动拖滞braking failure 制动失效braking skid 制动滑移braking swerve 制动甩尾braking test 制动试验brass drift 黄铜冲子break 【动，名】①断口，破裂[碎，损]．断开[路]．折断②中断．间歇[断]breakage ①破坏，裂口，破损处②(电气)断路．断线．击穿．故障breakdown ①击穿②破[损]坏．断裂．崩溃，熔[折]断③故障，运转失灵④减速，下降，制动breaker ①(轮胎)缓冲层②断电[路]器breakerless 无触点的break-in ①走合．磨合，试车②闯入[的行为]break-in alarm 闯入[撬门]报警装置breaking-in 走[磨．跑]合试车．试运转breaking-in period 走[磨]合期break of plies (轮胎)帘布层断裂break-out (轮胎)①断裂．破裂②爆破[胎]break out box ①断开检测盒(用于检测电脑)②(测量时用)接线盒breather 通风器[装置，管．孔]breather pipe 通气[风]管breather valve 呼吸[通气]阀bridge ①桥(粱)②电桥．桥路．③(蓄电池)连接条bridge piece ①(配气机构)横臂②连接弯管bridging ①(电气)桥[跨，搭]接．②(火花塞)搭桥现象．(间隙)短路brighten 【动】使亮或较亮．抛光．打磨brightener 抛光剂．光亮剂．上光蜡broad beam (前照灯)宽光束broadside impact (车辆)侧部[面]碰撞broad-slotted 宽槽的broad track 宽轮距broken ①破碎的．打破[碎]的②折断的，破裂的broken tread (轮胎)断续花纹bronze 青铜brown 棕色brush 刷(子)．电刷brush carrier[holder] (电)刷架brush lead ①电刷移前②电刷引线汽配英文速查词典-Bbrushless 无(电)刷的bubble 气[水]泡bucket 斗(状物)bucket seat 斗式座椅bucket tappet (配气机构)筒[杯]式挺柱bucking ①顶[抖]撞，反作用②(汽车等)猛烈开动buckle ①(安全带)带扣，插扣(座)②系紧接头，拉紧套筒③曲皱，纵向弯曲，变形buckle anchorage (安全带)插扣固[锚]定(器)buckle button (安全带)插扣按钮buckle latch (安全带)带扣舌簧[掣子]buffer 减振器，缓冲器[垫]buffer spring 缓冲[减振]弹簧buffer stopper (悬架)缓冲块buffing paste 抛光膏[剂]buffing wax 抛光蜡Buick (GM公司)别克(部，汽车)build up 【动】①增强[高]②装配，安装③造[做，建]成④组合[成]⑤堆焊，熔接[敷]⑥添加燃料build-up ①隆起，形成，构成，产[发]生②(压力)提高，增大，上升build up welding 堆焊built-in 内装的[式]，埋入[头]的built-in hydrometer 埋[置]入式液体密度计built-up ①组合的，组装(成)的②可分解的，可折卸[开]的bulb ①灯泡，白炽灯(泡)②(小)球，球状物bulb holder 灯(泡)座bulge ①【动】凸[鼓]起，膨胀②凸突部分③膨胀bulletin 公[通，简]报，报[公]告bump ①撞(击)，冲撞②(车辆)颠簸行驶③【动】碰(撞)，撞击bumper ①(车身)保险杠②(悬架)缓冲块，(橡胶)限位块bumper arm 保险杠托[支]架bumper bar[beam] 保险杠杆[主体]bumper bow 保险杠弓形件bumper bracket 保险杠托[支]架bumper clamp 保险杠夹持装置bumper cover 保险杠外套[罩]bumper fascia 保险杠面板[饰带]bumper holder 保险杠托架[支架，支座]bumper housing 缓冲壳体bumper mounting 保险杠安装[固定]bumper pad 保险杠镶条bumper rail 保险杠杆[中段]bumper rubber 保险杠橡胶嵌条bumper shock 保险杠缓冲器bumper stay 保险杠托架bumping ①碰撞，撞击，冲撞②颠簸，摇[震]动③造成凹凸bump stroke (悬架弹簧)压缩行程bump toe-in (车轮)前束改变burn 【动】①燃烧，点着②烧焦，烧毁burnishing powder 抛光粉burn off 【动】烧掉[去，毁，损，坏]burn—off temperature (火花塞)自净温度burn oil 烧机油burnt 烧坏(毁]的，过烧的burnt gas 废气，排气，燃烧的气态产物burnt valve 烧蚀的气门bus ①客车②总线，母线bush(ing) 衬套[瓦]，轴承套，套筒，轴衬button ①(旋，电)钮，按钮(开关)，(电，按)键②钮扣状物，球形把[捏]手button cell 钮扣电池button head (螺钉)圆头buzz ①【动】发嗡嗡声②嗡嗡声buzzer 蜂鸣器bypass 旁路，旁通，旁(通)管，分[侧，回]路bypass air (进气系统)旁通空气bypass valve 旁通阀========================================================================== Ccab ①(货车)驾驶室②【俗语】出租汽车cab-behind-engine 长头驾驶室(的)cab body 驾驶室本体cab-forward type 前置式驾驶室的，平头的cabin ①(乘用车)客厢，车内②(货车)驾驶室(=cab)carbon dioxide 二氧化碳carbon fiber[fibre] 碳(素)纤维carbon-fouled 积碳‘污染[堵塞]的carbonization 结焦，形成积碳carbon knock 积碳(引起的)爆燃carbon monoxide 一氧化碳carburation 汽化(作用)，雾化carburetor 化油器(＝carburettor)cardan 万向节[轴]，万向接头cardan drive 万向节传动(装置)cardan joint (十字轴)万向节cardan shaft[spider] 万向节传动轴cardan universal joint (十字轴)万向节cargo ①货物②荷重，载荷cargo-bus 客货两用车cargo floor 货箱底板carpet 地毯，毡层carpeted 铺有地毯的carpeting 地毯carriage ①车辆②车[支，托]架③底座[盘]，承重装置④滑座[鞍]，(机床的)拖板，机器的滑动部分⑤运输carrier ①(货运)运载工具[装置]，搬运汽车②托[支．悬，车]架底盘，承重构件③行路装置④(催化剂)载体，床car salon 汽车展览会，车展cartridge fuse 管式熔断器，熔丝管case (外，机)壳，壳体，箱case extension 外壳的伸出部分，延伸外壳case ground 外壳接地[搭铁]caster ①(前轮)主销后倾(角)②(机器／家具)小脚[自位]轮caster action (转向轮)主销后倾的回正[稳定]作用caster angle (转向节主销)后倾角cast-in-block 整体铸造的casting ①铸造(法)，浇铸②铸件③铸塑cast iron 铸铁，生铁castle nut 槽顶[开槽]螺母cat 【俗语】催化转化器catalyst 催化剂catalytic(al) 催化的，起触媒作用的catalytic bed 催化剂载体[床]catalytic converter 催化转化器catalytic convertor 同上catalytic trap oxidizer (柴油机)催化-捕捉式氧化器(把排气中的炭微粒过滤并烧去) catch 1．【名】①掣[制，卡]子，定位器，(抓)爪，抓钩，簧舌②(门锁／车身)门闩，门锁撞销[钩]2．【动】①捕捉②锁[卡，挡]住，锁定catch bolt (门锁)掣子销，撞销(装在车身柱上的门锁定位件，＝lock striker) catcher ①抓器[爪]，捕捉器②收集器③(行程)限制器category ①种类，类别，等级②范畴，类型caution ①小心，注意，谨慎②警告，告诫caution plate 警告[注意]事项牌caution signal 警告标志[信号]cavity (空)腔，空穴，气孔，凹处cavity sealant (车身)空腔密封胶[剂]，空腔浸渍剂ceiling (车身／客厢)顶篷，车顶内衬cell ①(蓄)电池，单格电池②小室，箱，舱，单元cell pole (蓄电池)单格电池端子[极桩]cellular 蜂窝[网眼]状的，多孔的cellular radiator 蜂窝式散热器center 中心[央，部]center airbag sensor assembly 安全气囊中央传感器组件center air outlet[vent] (客厢／通风)中间出风口，仪表板处通风口center bolt 中心螺栓center-bolt filter 中心螺栓式滤清器center console (客厢)①中间副仪表板，中间(落地)操纵台②中间通道罩center console box (车身内)中间(落地)操纵台center drive shaft 中间驱动轴(前轮驱动车，指与差速器结合的那半根驱动轴) center electrode 中央[心]电极center highmounted stop lamp[light] (车后)中央高位制动灯，第三制动灯center hole 中心孔centering ①定(中)心，对中②中心校正[调整]，对准中心(调整)，找中centering ball 定心钢球center line 中心线，轴线center mount ①中间支架[支承，支座，轴承]②(车轮)中心安装[固定]center of gravity 重[质]心center of mass 质心center pillar (车身)中柱，B柱charging efficiency 充气[电]效率charging system 充电系(统)charging valve 充[注]入阀chart 图表，曲线图，略[草]图chassis ①(车辆)底盘②底板[座]③机架[壳]，框[车]架chassis and cab 带驾驶室底盘chassis cowl 带车头底盘check 1．【名】①检查[验]，校[核]对②制止，控[抑]制，止[制]动器③(车身／车门)限位器2．【动】①检查[验]，校验[核]②抑[控]制，制止check connector 诊断插座，检查插接器check engine 检查发动机checking ①检查②裂纹check mode 检查[测试]模式(=test mode)check nut 锁紧[抑止，防松]螺母check valve 单向阀，止回阀，(喷油泵)出油阀check-valve carrier[holder] (喷油泵)出油阀(压)紧座Chevrolet (GM公司)雪佛兰(汽车，部)Chevrolet trucks (GM公司)雪佛兰货车部child-proof door lock 儿童安全门锁child restraint 幼童坐篮chisel 錾(子)，凿(子)choke ①阻塞，节流，扼止②(进气系统)阻风门③扼流(线)圈，扼[抗]流器choked ①阻[堵]塞的②(发动机)节流的chrome／Cr 铬，Crchromed 镀铬的churning ①(机油)搅拌[动]②(减振器油)发泡，起泡沫cigar(ette)lighter 点烟器circle ①圆(形物)，圆周②周期，循环circlet 小圈[环]，锁环circlip 弹性挡圈，开口弹簧环圈circlip pliers 挡圈钳circuit 电[回，线，环]路circuit breaker 电路断电器circular 圆[环]形的circulation 循环[环流，流通](量)circumference ①圆周(长)，周围②周界，圆周线circumferential ①圆周[形]的②周(围，边，缘)的city beam (前照灯)近光(光束)city cycle 市区循环city truck 市内挨户送货货车claim ①【动】要求，声称，索赔②(专利)权利clamp ①夹，卡箍，夹紧装置②线夹⑧压板clamping bolt 夹[拉，系]紧螺栓clasp ①扣子[钩，环]，扣紧物，钩环②【动】扣住[紧]，钩住class 种，(门)类，类别，等级claw ①爪(形器具)，钩，钳，卡爪[子]②耳，把手，凸起(部) claw clutch 爪形[牙嵌，齿式]离合器，牙嵌联轴节，牙嵌套claw pole (发电机)爪极claw washer 带齿垫圈cleaner 滤清器，除污器cleaner bowl[box] 滤清器壳[杯，盘]cleaning ①清洗，清洁(处理)，滤清②清除cleanliness 清洁度clear 1．【形】①清晰的②清洁[澈]的，光亮的③(纯)净的④无障碍的，畅通的，清除了…的2．【动】清[消，排]除，(计数器)归零3．【名】空隙，间隙clearance 间[余，空]隙，净空，(公差中的)公隙clearance fit 动[间隙]配合clearance lamp 示廓灯clearance volume 燃烧室容积clevis ①U形钩[夹]②牵引弹簧钩click ①(棘)爪，掣子，棘轮机构②插销，定位销③卡嗒声climate control 温度和通风控制，气候调节climb 【动，名】上[爬]坡climbability (车辆)爬坡能力climbing 【形，名】上升[爬高，爬坡](的)climbing capacity (车辆)爬坡能力clip ①卡子，夹(子，片)，(夹)钳，钢夹，(卡)箍②线夹，接线柱，支架，压板clockwise 顺时针(方向的)，右旋(的)clogging ①阻[堵]塞②结渣，(活塞环)粘[咬]住clog warning sensor 堵塞报警传感器closed circuit 闭(合回)路，闭合电路。

汽车专业英语课本翻译

汽车特性参数汽车尺寸可以使你了解它的外观，包括轴距、前后轮距、全长、全宽、全高、前悬、后悬、接近角、离去角、内长、内宽、内高、离地距、整备质量、总质量、车门数、乘坐空间和后备箱空间。

汽车的性能是否优良取决于其发动机和底盘。

而发动机是否给力取决于它的类型、排量、压缩比、最大输出功率和扭矩。

更重要的是先进的行驶系、制动方式、传动系统和车轮组成坚固耐用的底盘。

发动机性能参数包括发动机类型，缸径和冲程，排量、压缩比、气门组、功率、扭矩和点火方式。

气缸的直径称作缸径。

排量和压缩比是发动机两个常用的参数，排量表明了发动机的大小，压缩比是汽缸总容积与燃烧室容积之比。

功率指的是正常工作时的速度。

有效功率是指在正常条件下在发动机后部测得的实际功率。

指示功率是理论功率，指的是在理想状态下由发动机获得的最大输出功率。

指示功率是由发动机大小、排量、转速和气缸内压力的基础上通过理论计算得到的。

摩擦功率指的是用来克服在发动机和传动系内的内部摩擦。

摩擦功率来源于轴承、活塞在气缸内滑动、压缩冲程、发电机、风扇、水泵、皮带、空调、变速器、后差速器总成等。

汽车驱动轮上获得的功率称为行驶功率。

扭矩是一种确定工况的方法，指的是扭转力。

扭转力产生于发动机的燃料燃烧。

燃烧将活塞向下推。

而活塞带动曲轴转动，产生扭矩。

而扭转力引起车轮的转动。

底盘的性能参数包括悬架类型，制动器的类型和大小，转向方式和转弯半径，车轮的型号与大小，油箱容积。

发动机工作原理大多数发动机都是内燃机，如图示为往复式四冲程汽油发动机。

但是其他类型的发动机也有使用，比如柴油发动机，转缸式发动机（汪克尔发动机），二冲程发动机和层状充气式发动机。

往复式的意思就是“从上到下”或“从后到前”。

在往复式发动机中动力产生于活塞的上下运动。

几乎所有这种类型的发动机都依赖于一个气缸体。

气缸是由铁或铝铸造出来的，在缸体内有气缸和水套，冷却水在水套内循环。

汽缸盖覆盖在缸体顶部，形成了燃烧室。

缸体底部被油底壳所包覆。

车辆工程专业——外文文献翻译（中英文翻译）

车辆工程专业——外文文献翻译(中英文翻译)附录Ⅰ（原文）Modern cars is not a simple means of delivery, it is already "people, cars and the environment," the combination. As a car seat directly support the user's device, the car has no small importance of the components. The main function of car seats for the driver to provide ease of manipulation, comfortable, safe and easy fatigue of the driver seat. Seat design should also meet the following five basic requirements: the seat of the rational arrangement; Second, the seat shape to meet the body's physiological function; Third, the seat should have the regulatory agencies; Fourth, the vibration characteristics of a good seat; Five seats to be very safe and reliable; eat size of the installation location is important, it directly affects the user's convenience and comfort. Seating layout should reflect the requirements of ergonomics. Driver's seat is the most crucial seats. Its basic requirement is a reasonable layout and simple operation, that is, when the drivers take on the steering wheel, joystick and pedals for good accessibility. Because differences in European, American and Asian body in some countries is very wide car seat, car seat in some countries is relatively small. As the crowd the same area, there are differences between men and women, the tall and the small differences in driver's seatmust have regulatory agencies to meet most people's body. "Most people" concept, the car body design used a two-dimensional model, which according to the height of its total population is divided into different groups: Seat size of the installation location is important, it directly affects the user's convenience and comfort. Seating layout should reflect the requirements of ergonomics. Driver's seat is the most crucial seats. Its basic requirement is a reasonable layout and simple operation, that is, when the drivers take on the steering wheel, joystick and pedals for good accessibility. Because differences in European, American and Asian body in some countries is very wide car seat, car seat in some countries is relatively small. As the crowd the same area, there are differences between men and women, the tall and the small differences in driver's seat must have regulatory agencies to meet most people's body. "Most people" concept, the car body design used a two-dimensional model, which according to the height of its total population is divided into different groups: 5[%] (all 5[%] of drivers in the short stature than or equal to this size, the remaining 95[%] taller large); 95[%] (all 95[%] of drivers in the short stature than or equal to the size of the remaining 5[%] taller large). Applied in the automotive industry in the total range of between 5[%] and 95[%], that is, including the 90[%] crowd. For example, adjustable seats and pedals designed distance between the drivers as much as possible to adapt body, where women generally take 5[%] and 95[%] of male body model.Driver's seat on the steering wheel, joystick and pedals to take the body and determines the position, posture, seating arrangement by the position and shape of the design of the decision. Drivers to take the posture is not ideal or even lead to fatigue and strain. Therefore, Japan and major European and American design of the depot location has the basic drivers seat position, head, shoulders, arms, abdomen, legs and other reference data space, can not be arbitraryCar seats from the seat, back, dorsal support, headrests and other components, they have a surface shape, seat surface and backrest should be with the body shape curve of the back curve of a relaxed state match, after the seat occupant seated surface shape and the body pressure distribution in the muscles of the crew to make the most relaxed state, to support the lumbar spine, not because of poor circulation caused numbness, fatigue easily take a long time. Through the front seat up and down, backrest angle, head up and down positions, such as the limited front and rear adjustment, can make most people are comfortable. The spring seat seat vibration performance constitute the key. Tests show that vehicle is in motion even though the floor vibration, but the action of the spring seat, the seat is still possible to get good comfort, good performance if the spring, the comfort of the car will be relatively poor. At present, most holistic seat cushion foam urethane, which uses S-shaped coil springor springs from being buried in urethane foam, has a simple structure, low cost, noise-free advantages. Low-back seats for the car, the head is an attachment on the seat. As the speed increases, its growing importance of personal safety. Car in the event of rear-end collision, the impact of cars by the force behind the rapid moment forward, the inertia occupant's head is suddenly thrown back, cervical spine to withstand the acceleration forces to the large and easily hurt. With the head supporting and reduce the space of free movement of the head can reduce the impact of the cervical spine. 1998 Volvo (Volvo) car assembly WHIPS (Whiplash Protection System) rear-end collision occurs when the headrest and backrest can be made after the occupants moved at the same time effectively prevent cervical spine injury. The current car seat has seat belts, airbags together constitute the security of the crew. The strength of their own car seat, the reliability of the connection on the body, back strength and testing requirements are the industry standard, not just to do an installation up to the line. With modern technology, car seats are equipped pneumatic devices, air pump from the engine compartment is provided inside the seat back pressure chamber 4, respectively, to achieve the protection of the Ministry of the lumbar spine. Are divided into two parts back, the angle can be adjusted to make the waist and shoulder the same time close to the back, play a security role. Have built in the back of a computer-controlled electronic oscillator, and massage healtheffects.附录Ⅱ（译文）现代轿车已经不是一个单纯的运载工具，它已经是“人、汽车与环境”的组合体。

汽车工程专业英语全部译文

入的混合物在适当的时间和一排气阀让燃烧后的气体在已完成了它的工作任务后排出，。发动机条款（图
2-1）：
TDC（上止点）：曲轴对应活塞的位置时，活塞远离曲轴。
BDC（下死点）：曲轴对应活塞的位置时，活塞最接近曲轴。
行程：下死点和上止点之间的距离;中风是由曲轴，行程是由曲轴控制。
缸径：圆柱的内部直径。
波及体积：下死点和上止点之间的音量。
火花塞点燃压缩空气燃料的混合物，从而启动了燃烧过程。更高的压缩比意味着更好的燃油利用率。压
缩的程度受制于敲限制。
3.做功行程
火花点火后在火花塞点燃了压缩空气燃料的混合物，作为混合的结果温度升高。在汽缸增加，迫使活塞
向下的压力。活塞转让的权力，通过连杆曲轴。
4.排气行程
向上移动的活塞燃烧排出的气体（废气）通过公开排气阀。在四冲程过完成后
1.3 底盘
底盘是一个组合体，主要由汽车的操纵部分，传动系统，悬架，转向部分，制动系统组成。1) 传动系统将发动机发出的动力传给驱动车轮 2) 转向系统控制汽车的行驶方向。3) 悬架主要用来吸收路面冲击 4)制动系统使汽车停下来。
1.3.1 传动系统
传动系统是将转动力从发动机传输到车轮上，传动系统包括手动挡离合器或液力变矩器，变速器，驱动轴，主减速器、差速器和主动轴，传输包含增加或减少的扭矩，在它被发送到其他传动系统的齿轮套。较低的齿轮比选择，更高的扭矩传输，带有手动变速箱的汽车使用一个离合器去结合和分离发动机与动
体温度的升高引起气压变大。燃烧室内发展应用到了活塞产生一个可用的机械力，然后将其转换成有用
的机械能。
2.1.2 发动机条款
通过曲轴连杆连接活塞,造成气体轴旋转半转。动力冲程“使用了”气压，意味着必须提供手段驱逐燃

汽车专业外文翻译(英文+译文)

原文：Routine brake system maintenanceThe braking system is the most important system on a car. If the brakes don't work properly, the result can be disastrous. So the good brakes are essential for safety.There are two completely independent braking systems on a car. One is the service brake, and the other is parking brake. The service brake acts to slow, stop, or hold the vehicle during normal driving. They are foot-operated by the driver depressing and releasing the brake pedal. The parking brake's purposes are to hold a car stationary while it is unattended, and to keep the car from rolling on unleveled ground. It is also called the handbrake.Basically, all car brakes are friction brakes. When the driver applies the brake, the control device will force brake shoes or pads against the rotating brake drums or discs at wheels. Friction between the shoes or pads and the drums or disks then slows or stops the wheels so that the car is braked.Disc brakeDisc brakes are used on the front wheels of most cars and on all four wheels on many cars.The main components of a disc brake are the brake pads, the caliper which contains a piston, and the rotor which is mounted to the hub.The disc brake is a lot like the brakes on a bicycle. Bicycle brakes have a caliper, which squeezes the brake pads against the wheel. In a disc brake, the brake pads squeeze the rotor instead of the wheel, and the force is transmitted hydraulically instead of through a cable. Friction between the pads and the disc slows the disc down.A moving car has a certain amount of kinetic energy, and the brakes have to remove this energy from the car in order to stop it. The brakes convert the kinetic energy to heat generated by the friction between the pads and the disc, so the car stops.Drum brakeSo if disk brakes are so great, how come we still have cars with drum brakes? The reason is cost. While all most vehicles for many years have disk brakes on the front wheels, drum brakes are cheaper to produce for the rear wheels. Drum brake is shown in Fig.Drum brakes consist of a backing plate, brake shoes, brake drum, wheel cylinder, return springs and an automatic or self-adjusting system. When you apply the brakes, the wheel cylinder pushes the brake shoes into contact with the machined surface on the inside of the drum. When the pressure is released, return springs pull the shoes back to their rest position. As the brake linings wear, the shoes must travel a greater distance to reach the drum. When the distance reaches a certain point, a self-adjusting mechanism automatically reacts byadjusting the rest position of the shoes so that they are closer to the drum.Hydraulic Brake SystemsWhen the operator steps on the brake pedal, the brake pedal operates a hydraulic system.The typical brake system is composed of the following basic components(1) Master cylinder. That is directly connected to the brake pedal, converts your foot's mechanical pressure into hydraulic pressure.(2) Brake lines and brake hoses, they connect the master cylinder to the wheel cylinders located at each wheel.(3) Brake fluid: that is special oil that has special properties. It is designed to withstand cold temperature without thickening as well as very high temperature without boiling.In the brake system, master cylinder contains two separate sections, there is a piston in each section and both pistons are connected to a brake pedal in the driver's compartment. When the brake is pushed down, brake fluid is sent from the master cylinder to the wheels. At the wheels, the fluid pushes shoes, or pads, against revolving drums or disks, which can slow and stop car. This slows or stops the revolving wheels, which, in turn, slow or stop the car.Routine maintenance of automobile brake fluid: Usually brake fluid maintenance period of 2 years or 48,000 km. Recommended brake fluid on the maintenance period, the European car manufacturers generally set a few years; and Japan and the United States car manufacturers are generally in their owner's manual have detailed descriptions. The abs function with anti-lock braking system, brake fluid and timely supplement is especially important. This is mainly due to energy storage in the pollution of dust and moisture of the body will lead to expensive failure, and thus laid security risk when vehicle braking force owners to find weak, you can use brake fluid test strips humidity assisted analysis of whether there is any fault of defect caused by brake fluid. If the brake fluid for the failure of the root causes of lack of sufficient quantity to be added in time brake fluid. By the brake fluid tank vent in a normal infiltration (or when tank lid open non-regular access to) the moisture and dust reduced brake fluid maintenance cycle. Maintenance of the brake fluid in the same time, must not neglect the wheel brake parts.Auto brake pad, brake drum, rotating body, and brake calipers: the current drive vehicle for leading the trend, people are concerned about how to play the 2 / 3 of the front brake lines brake tasks for scientific and effective maintenance. Now, after a variety of drive, all-wheel drive, trucks and suv blossom everywhere, people "before re-light after the" traditional concept has gradually changed.Gradually replace the asbestos linings in the semi-metallic brake pad will cause the whole surface of rotating serious wear and tear. Brake parts on the car wheel or brake pad inspection is a complex task, not simply from a visual look at both sides of the front brakepads wear the middle point. In actual operation, even if the brake caliper of open distance just to let you see both sides of the brake pad, it does not mean we can be handy, unimpeded operation of the. In addition, the popularization of brake shield, and the brake pad of rotating the contact surface is multi-block, hard look. As for the rear wheel with disc brake, it is hidden, is difficult to comprehend the appearance.Typically, the only system in the apparent leak, we will focus on checking brake fluid sealing. The comprehensive system of inspection, including the traditional static checking (that is, to find leaks in situ static) and dynamic checks (ie check the seal during braking). In any case, when the vehicle braking system to maintain up to 48 000 km driving range, they need the vehicle's braking system to conduct a comprehensive professional maintenance Brake rotating body of minor scratches do not cause illness. But since the fastening nut tightening force thickness of inequality and uneven brake rotating body rotation caused by excessive wear and tear will seriously affect the braking performance. To reduce weight, many rotating body size using unconventional structure, which is difficult to meet some of the machine tool clamping the basic requirements. If you find a rotating body has been processed, then follow the same axle of the second rotating body is only the size of its replacement. In theory, you can only replace a rotating body, but to get the best balance between braking effect, or the proposed replacement with two on the same axle rotating body. The proposal also applies to vehicles during braking, brake caliper piston through the experience back movement, we can complete the key features of the automatic brake calipers inspection. If the brake caliper piston back position is unsound, please replace a new brake caliper; If you want to discharge or filling brake fluid, make sure relief valve can be normally open; if the relief valve setting, replace the new The brake caliper.If the asbestos linings have worn 3.175mm, this time even under light loading, the security of driving range has also been very limited. Also, if needed at this time of high load brake, the wear lining weak braking force will make the traffic safety compromised.Some rear disc brake, rear-drive rotary body with a cap, the cap body also acts as a rotary brake drum. There are many car owners often overlook the parking brake will cancel the direct-drive vehicles, the rotating body and the brake shoes in direct metal - metal friction, the result is bound to cause a rotating body, brake pads and brake shoes of serious wear and tear.译文：汽车制动系统的日常维修保养制动系统是汽车上最重要的系统。

汽车专业英语单词和翻译重点

1.an understanding of how the systems work help you understand how the automobile works .了解各系统如何工作有助于了解汽车是如何工作的。

2.these support the vehicle and cushion it from road bumps for better ride and handling.它们支撑着车身，并缓解由于路面不平引起的颠簸，以获得更好的乘坐舒适型和操作稳定性。

3.The purpose of an automobile engine is to supply the power needed to move the vehicle.汽车发动机的功用是提供汽车行驶所需的动力4.The internal combustion engine is a device used to convert the chemical energy of the fuel into heat energy .and then convert this heat energy into usable mechanical energy .内燃机是一种将燃料的化学能转化为热能，再把热能转化为可利用的机械能的装置。

5.The amount of air/fuel mixture allowed to enter the cylinder determines the power and speed developed by the engine .进入汽缸中的可燃混合气体的数量，决定了该发动机的功率和转速。

6.Reducing friction to minimize wear and loss of power is the primary job a lubrication system must perform.减少摩擦，降低磨损和动力损失是润滑系统必须完成的主要工作。

汽车专业英语汇编

汽车专业英语专业英语一automobile 汽车（美）assembly line 装配线petroleum refining石油提炼body and frame 车身与车架engine发动机、引擎drive line 传动系统running gear 控制装置suspension 悬架系统unitized body 承载式车身gasoline engine 汽油机diesel engine 柴油机gas turbine 燃气轮机battery 电池（组）fuel cell 燃料电池hybrid power混合动力系统piston 活塞rotary engine 转子发动机vehicle 车辆transmission 变速器drive shaft 传动轴differential 差速器rear axle 后轴rear-wheel drive 后轮驱动front-wheel drive 前轮驱动braking system 制动系统wheel 车轮tire 轮胎steering system 转向系统spring 弹簧shock absorber 减震器Macpherson strut 麦弗逊式悬架torsion bar 扭力杆strut rod 支撑杆stabilizer bar 横向稳定杆二internal combustionengine 内燃机external combustionengine 外燃机fuel 燃料steam engine 蒸汽机intermittent combustionengine 间隔燃烧式发动机continuous combustionengine 连续燃烧式发动机turbine engine 涡轮发动机rocket engine 火箭发动机jet engine 火箭发动机Wankel engine 汪克尔发动机、转子发动机stroke 行程cooling system 冷却系统仅供学习与交流，如有侵权请联系网站删除谢谢2fuel system 燃料系统ignition system 点火系统spark-ignition engine 火花点燃式发动机compression-ignition engine 压燃式发动机liquid-cooled 水冷式（液体冷却）air-cooled 风冷式（空气冷却）三cylinder block 缸体cylinder 气缸connecting rod 连杆crankshaft 曲轴cylinder head 气缸盖combustion chamber燃烧室valve 气门、阀camshaft 凸轮轴flywheel 飞轮intake manifold 进气歧管exhaust manifold 排气歧管carburetor 化油器fuel injector 燃料喷射器cast iron 铸铁aluminum 铝cooling fluid 冷却液spark plug 火花塞intake valve 排气门cam 凸轮gear 齿轮belt 皮带chain 链条overhead camshaft（OHC）上置式凸轮轴rpm=revolutions perminute 转速、转数每分钟horsepower 马力intake system 进气系统sensor 传感器oxygen sensor 氧传感器fuel induction燃料吸入系统四fuel tank 油箱fuel line 燃料管路fuel pump 燃料泵fuel filter燃料滤清器power train controlmodule（PCM）动力系统控制模块fuel injection system 燃料喷射系统distributor 分电器ignition coil 点火线圈ignition wire 点火线路charging system 充电系统ignition switch 点火开关solenoid 电磁线圈starter motor 起动电机alternator 交流发电机仅供学习与交流，如有侵权请联系网站删除谢谢3voltage regulator 稳压器lubrication system润滑系统oil pump 机油泵oil filter 机油滤清器oil cooler 机油冷却器antifreeze 防冻液coolant pump 冷却液泵thermostat 节温器radiator 散热器、水箱clutch 离合器radiator overflow tank 散热器溢流箱、膨胀水箱air intake ducting 进气管air filter 空气滤清器manifold air pressure sensor 进气歧管压力传感器turbocharger 涡轮增压器muffler 消声器、消音器catalytic converter 催化转化器exhaust pipe 排气管pollution control system排放控制系统carbon monoxide 一氧化碳nitrogen oxide 氮氧化物hydrocarbons 碳氢化合物carbon canister 碳罐exhaust gas recirculator（EGR）废气再循环positive crankcase ventilation强制曲轴箱通风diverter valve 分流阀vapor-liquid separator 气液分离器vacuum modulator 真空调节器五timing 正时、定时air-fuel ratio 空燃比stoichiometric ratio 理论空燃比mixture 混合气top dead center（TDC）上止点bottom dead center（BDC）下止点bore 气缸直径、孔径crankpin 连杆轴颈、曲柄销throw 曲柄半径displacement 排量compression ratio 压缩比four-stroke engine 四冲程发动机intake stroke 进气冲程compression stroke 压缩冲程power stroke 做功行程exhaust stroke 排气行程preignition 提前点火valve overlap 气门重叠六仅供学习与交流，如有侵权请联系网站删除谢谢4two-stroke engine 二冲程发动机truck 货车、卡车bus 公共汽车Mercedes-Benz 梅赛德斯奔驰pickup truck 皮卡camper 露营车travel trailer 旅行拖车high-pressure injection 高压喷射low-pressure injection低压喷射injector 喷油器、喷嘴psi 磅/平方英寸（英制压强单位）photochemical smog 光化学烟雾outboard motor 舷外发动机snowmobile 摩托雪橇chain saw 链锯、电锯reed valve 簧片阀lubricant 润滑剂、润滑油scavenging 扫气General Motors 通用汽车blower 扫气泵rotor 转子coal-fired 燃煤的、烧煤的nuclear-powered 核动力的drivability 动力性、驱动性能generator 发电机transaxle 变速差速器、联合传动器electronic controller 电子控制器downshift 降档manual transmission 手动变速器hydrogen 氢carbon dioxide 二氧化碳oxygen 氧methanol 甲醇spacecraft 航天器、宇宙飞船anode 正极、阳极cathode 阴极、负极七oil pan 油底壳、机油盘water jacket 水套cylinder sleeve 气缸套dry sleeve 干缸套wet sleeve 湿缸套warpage 变形liner 衬套、衬垫bearing 轴承harmonic balancervibration damper 扭转减震器timing gear 正时齿轮connecting rod journal 连杆轴颈仅供学习与交流，如有侵权请联系网站删除谢谢5main(bearing)journal主轴颈counterweight 平衡重thrust surface 推力面drive flange 传动法兰盘、凸缘fillet 圆角nose （曲轴）前端pulley 皮带轮air conditioning 空调bearing cap 轴承盖copper 铜lead 铅Babbitt 巴氏合金tin 锡bearing clearance 轴承间隙thrust bearing 推力轴承、止推轴承thrust washer 推力垫圈、止推垫圈piston ring 活塞环compression ring 气环oil control ring 油环piston pin 活塞销lock ring 锁环piston land 活塞顶部heat dam 绝热槽piston head 活塞头部piston skirt 活塞裙部ring groove 活塞环槽piston pin bushing 活塞销衬套ring end gap 活塞销开口间隙ductile iron 球墨铸铁chromium 铬molybdenum 钼torsional ring 扭曲环chrome-plated 镀铬的rod cap 连杆盖bearing insert 轴承衬套八cross-flow head 横流式气缸盖coolant 冷却液head gasket 气缸垫wedge-shapedcombustion chamber 楔形燃烧室hemisphericalcombustion chamber 半球形燃烧室open combustionchamber 开式燃烧室、统一式燃烧室pre-combustion chamber预燃式燃烧室valve seat 气门座valve guide 气门导管retainer 弹簧座valve spring 气门弹簧high-chrome steel 高铬钢stellite 钴铬钨硬质合金keeper 锁紧装置valve stem 气门杆仅供学习与交流，如有侵权请联系网站删除谢谢6lifter 挺柱pushrod 推杆rocker arm 摇臂valve train clearance 气门间隙variable valve timing 可变气门正时九oil pressure regulator 机油压力调节器main oil gallery 主油道oil screen 机油滤网oil pressure sensor 机油压力传感器dashboard 仪表板sump 机油箱、油底壳baffle 挡板gear-type oil pump齿轮油泵rotor oil pump 转子油泵pressure regulator valve 调压阀十water pump 冷却水泵pressure cap 压力水箱盖fan 冷却风扇temperature indicator 温度指示器air-cooled system 风冷系统liquid-cooled system 水冷系统transmission cooler 自动变速箱油冷却器expansion tank 膨胀水箱housing 外壳impeller 叶轮、转子hub 轮毂pulley 皮带轮closed cooling system 闭式冷却系统十一electronic carburetor 电控化油器fuel vapor line 燃油蒸汽管fuel injector pump 喷油泵nozzle 喷嘴、管嘴plastic 塑料fuel cap 油箱盖filler neck 油箱填充口颈fuel metering unit 油量计量装置mechanical fuel pump 机械燃油泵electrical fuel pump 电动燃油泵fuel pressure regulator 燃油压力调节器injector fuel rail 燃油分配管、燃油轨direct injection system直接喷射式燃料系统仅供学习与交流，如有侵权请联系网站删除谢谢7indirect injection system 非直喷式燃料系统port fuel injection （PFI）进气道燃油喷射throttle body injection （TBI）气门体燃油喷射multiple-point fuel injection 多点燃油喷射single-point fuel injection 单点燃油喷射continuous injection 连续喷射十二dry-type air filter 干式空气滤清器exhaust pipe 排气管undercarriage 底盘、下部结构fiberglass 玻璃纤维glass pack muffler 玻璃纤维消声器supercharging system 进气增压系统turbocharger 涡轮增压十三conventional ignitionsystem 传统点火系统primary circuit 初级回路（低压回路）secondary circuit 次级回路（高压回路）ballast resistor 附件电阻、稳流电阻crank 起动、摇转primary winding 初级线圈、一次绕组breaker 断电器secondary winding 次级线圈、二次绕组condenser 电容器arc 电弧distributor cap 分电器盖coil tower 点火线圈顶端接头surge 电涌振荡distributor shaft 分电器轴firing order 点火顺序electronic ignition system电子点火系统semiconductor 半导体electronic spark timing（EST）电子点火正时ignition control（IC）点火控制hight energy ignition（HEI）module 高能点火模块computer-controlled coilignition system 微机控制线圈点火系统electronic ignition（EI）电子点火distributorless ignitionsystem 无分电器点火系统仅供学习与交流，如有侵权请联系网站删除谢谢8ignition module 点火控制模块direct ignition system 直接点火系统cableless EI system 无高压线电子点火系统十四仅供学习与交流，如有侵权请联系网站删除谢谢9。

车辆专业英语翻译

(1,2) Federal fuel economy standards have been changed, with substantial improvements mandated within a tight time frame. Manufacturers are turning to gasoline direct injection (GDI) to meet the new goals. The world’s carmakers are in the midst of a major technology change. The fuel prices of a year ago, combined with long-term financial stability issues, have forced new arrangements for the companies, their workers and financial investors and—most importantly—big changes in the vehicles themselves.随着燃油经济性被要求在很短的时间内得到大的提升，联邦的燃油经济性标准已经发生了变化。

世界轿车制造商正在试图通过汽油直喷（GDI）来满足新的标准。

世界汽车制造商正处于一个重大技术变革之中。

一年前的燃油价格，和长期的经济稳定问题迫使这些公司从他们的工人、投资商，尤其是汽车自身方面做出新的安排。

(3,4) The technical side of all of this is all about how to achieve major improvements in fuel economy. Not only are CAFE standards going to be moved up to 39 mpg from the current 27.5, but the time frame in which to do it will be shortened to 2016 instead of 35 mpg by 2020. A 35% improvement is a huge goal that will take major technological advances to accomplish. The most obvious way to realize better fuel economy is to make vehicles smaller, lighter and, yes, slower. So far motorists have not shown any great interest in these solutions.所有这些在技术层面都是围绕着“怎样使燃油经济性得到重大改进”而展开的。

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汽车专业外文翻译-精品2020-12-12【关键字】情况、方法、环节、条件、动力、质量、模式、传统、系统、机制、主动、充分、现代、良好、执行、保持、发展、掌握、特点、位置、安全、稳定、需要、能力、方式、作用、标准、速度、设置、联动、分析、汇集、倾斜、调节、形成、满足、保证、优化、调整、方向、提高、控制力第一部分：Suspension (1)The automatic gearbox (5)第二部分：汽车悬架 (7)自动变速器…………………………………………………………………………………………SuspensionThe modern of in the car has two kinds of suspension, a kind of suspension is from move , another a kind of suspension is active of .From move an a function for, is from spring coil, reducing flapping machine( reduce to the flap ), leading to organization etc. constituting, it is vibration that impact to dies down roadecause this kind of can produce the function dint by oneself, therefore call active of .The active of is more than ten years to develop of, from a kind of new of that computer control, have three terms:(1) have to can produce the motive source of the function dint;(2) carry out a piece can deliver this kind of function dint combines it can continue the work;(3) have the variety spreads to feel the machine combines to concentrates the relevant data to micro-computer to proceed to carry to calculate to combine the decision controls the way.Therefore, active a technique for gathering together mechanics with electronics knowledge, is a kind of high technique that compare t pass the carriage dint, the reduces from the impact dint but causable loading system.Among them the spring coil rises primarily the function that deceleration pound at dint, reduce the main function that flap the machine is a to reduce the vibration.Because this kind of be driven by outside dint but rise function of, so call from move . But active a device for of in the control link installing can producing take out moving, adopt a kind of repress in suppressing the dint by dint the road face the impact dint of the carriage and the inclination dint of the carriage.B o sophisticate to equip.For example equip active an axis for of France snow iron dragon mulberry , the car's a system is speed, carriage that a micro-computer, have on the of the 5 kinds of spreading feels machine, distinguish to deliver to micro-computer the car soon, the ex- round system moves the pressure and step to move the accelerator pedal perpendicular flap and frequencies, change direction the dish angle and change direction flat-out etc. data directionally.The computer receives these datases continuously and with in advance the critical value that set up proceeds the comparison, choosing the homologous an appearance.At the same time, on micro-computer independence control each a car wheel of carry out a dollar a for, passing the control reduce to flap the machine inside hydraulic-pneumatic variety creation take out moving, from but can on any time, any car wheel creation meeting request a sport.Therefore, the mulberry bridge car has various driver's modes chooses, driving as long as pull to move to locate the vice- the " normal" on the instrument panel or" sport" button, car will establishes automatically in the best an appearance, in order to best and comfortable function.Moreover, active a function for having carriage sport of control.When the car system moves or turns a corner of inertial cause When the spring coil transform, active a dint for would producingfirst and opposite anti- in the dint of , reduce the variety of the carriage position.For example Germany speeds 2000 CLs type sport car, be, the vehicle turns a corner an inclination for spreading feeling machine would immediately examining carriage with horizontal acceleration, computer according to information that spreading and feeling machine, with in advance the critical value that set up proceeds the comparison computes, immediately certain at where full general how big of loading and adding to .The active in car a — liquid presses with the air type:From the angle demarcation of the control dint, the of can is divided into passive of , active of in half with active of .Current, the automotive a system has the spring coil with reduce to flap the machine mostly, the incapable source inside a system insupplies the device, its flexibility can't change with the exterior work with the , therefore calling that this kind of is passive of .Active an action for thering is direct dint in conduct and actions taking place machine, can according to input and output the superior feedback of proceeding control, making a the of has to reduce to shake the characteristic bestly, toing increase the automotive and going smoothly with manipulate the stability.It constitutes with a dint occurrence machine Fe from the flexibility a C. Half active a spring coil for can seeing making from variable characteristic with machine that reducing and flapping the a system constitutes, although it can't proceed the superior control with regulate with the outsider importation, it can press saving under every kind of term of the calculator superior spring coil with reduce to flap the machine excellent to turn the parameter instruction to regulate the spring coil just a the appearance of for with reducing flapping machine.It from flexibility a C with a per coefficient can the machine of regulated within the scope of big constitute.The electronics technique control car a system is main from( the car is high and change direction the Cape, acceleration, road the estimate) spread to feel the machine, electronics control ECU, of control of carry out machine etc. constitute.The control function of the system usually has below three:1 the car is high to adjust to be the car at rise and fall When the uneven road drive, can make carriage jacked up, in order to in pass;When the good road mades good time, can lower the carriage, to reduce the air help, increase to manipulate the stability.2 dint controls is used to increase to manipulate the stability automotively, in the flashback curved, nasty accelerates to move with the urgent system circumstance next, can rr is to the side , horizontal put the flutter with the control of the carriage can more quick, precision, the car mades good time with the stability exaltation of the turn, carriage side reduce.The ex- in carriage is small when system move, starting with nasty accelerate can after reducing 仰.Even in the bad road, the flutter of the carriage too less, the tire increases to the adhesive strength of the ground.One.The active type liquid presses ofThe active type liquid that electronics control presses a quantity for can according to of with acceleration etc., making use of the liquid press the parts actively automotive vibration in control.The active type liquid presses a the of arrange to is sepress the variety of the carriage.3 spring coil just a control changes spring coil just degree, make a contented sport or comfortable request.Adopt an empress, cahown as diagram on the car, having in the nearby gearing in center of gravity in car lengthways, horizontal acceleration with horizontal put the top preads to feel machine, use to collect the carriage the vibration, the car wheel jumps about, carriage high degree with tilt to one side appearance etc. signal, these signalses is inputed control unit ECU, ECU according to input signal with in advance the procedure that set up issues to control the instruction, controling the servo electrical engineering combines to manipulate in front and back four carry out a work.Two.Active type airIn electronics control of active type air a system, tiny machine according to spread to feel the machine changeses to an instruction for issuing the instruction, the of can give according to the tiny machine after delivering of the signal with the control mode that pilot give has been carries to calculate the analysis of just degree with the coefficient of , is a carriage within the scope of drives to keeps in the process good and stable function, and respond to the vibration of the carriage to control at allow of.Say generally, the control contents of the active type air includes the carriage high degree and reduce to flap the machine reduces the dint, spring coil flexibility coefficient waits three item;1、high control in car;Cent standard, go up with only after going up a three kinds of works appearance;2、reduce the that shake the machine reduce the dint control the cent low, inside, high three file;3、the cent of flexibility coefficient of air spring coilses are soft and hard two file.The air an electronics controls the work principle of the system;Use the air compressor formation compressed air, combine to give the compressed air to spring coil with the air room that reducing and shaking the machine inside, changes with this the high degree of the vehicle.Fore a neighborhood for with empress round establishes the car the high spreading feels machine, press car the high spreading the exportation signal that feels the machine, the tiny machine judges the vehicle the high degree, then control compressor with line up the spirit valve, make spring coil compression or elongation, from but control vehicle high degree.Establish the electric motor in reduce shook machine, the electric motor suffers the signal control of the tiny machine.Making use of the electric motor can change the size of the air hole .Say in a specific way, switch in last free spirit in instrument panel in car a system, make use of the switch can become 6 kinds of different works method.The automatic gearboxThe automatic gearbox chooses to block the pole the equal to moving the stick shift of the gearbox, having generally below several blocks:P( parking), R( pour to block), N( get empty to block), D( go forward), S( or2, namely for 2 block soon), L.( or1, namely for 1 block soon)This several an usage for blocking a right usages coming driver the automatic gearbox is automotive of person to say particularly important, underneath let us very much familiar with once automatic gearbox eachly blockings main theme.●The usage of the P ( the parking blocks)The launches the luck turns as long as choose to block the pole in driving the position, automatic gearbox car run about very easily.But park, choose to block the pole must pull into of P, from but pass the internal parking system in gearbox moves the device will output the stalk lock lives, combining to tense the hand system move, preventing the car ambulation.The usage of the●The usage of the R( pour to block)R a control for is pouring blocking, using inside wanting slicing recording, automatic gearbox car unlike moving gearbox car so can using half moving, so while reversing the car wanting special attention accelerating pedal.The usage of the●The usage of the N( get empty to block)The N is equal to get empty to block, can while starting or hour of trailer usage.At wait for the signal or block up the car will often often choose to block the pole keeps in the of D, trampling at the same time the next system move.If time is very short, do like this is an admission of, but if stop the time long time had better change into of N, combine to tense the hand system moves.Because choose to block the pole in driving the position, the automatic gearbox car has generally and all to drive the trend faintly, long hours trample the system move same as a deterrent this kind of trend, make gearbox oil gone up, the oil liquid changes in character easily.Particularly in the air condition machine work, launch the soon higher circumstance inmachine bottom more disadvantageous.Some pilots for the sake of stanza oil, at made good time or go down slope will choose to block the pole pull the of N skids, this burn the bad gearbox very easily, launching the machine to revolves soon in the however because the gearbox outputs at this time the stalk turns soon very high,, the oil pump provides the oil shortage, lubricating the condition worsen, burn the bad gearbox easily.The usage of the●The usage of the D( go forward to block)Will choose to block when is normal to drive the pole put in the of D, car can at 1 ～4 block( or 3 block) its change to block automatically.The of D drives the position most in common usely.What demand control is:Because the automatic gearbox is soon high and low with car to come to make sure to block according to the accelerator size a, so accelerate the pedal operation method is different, changing to block the hour of the car is soon too not same alike.If start hour quick accelerate the pedal tramples the bottom, rising to block the night, accelerating the ability is strong, arriving certain car soon behind, then will accelerate the pedal loosen to open very quickly, car can rise to block immediately, launch like this the machine voice is small, comfortable good.The another characteristics of the D is a compulsory low blocking, easy to high speed the hour overtakes a car, will accelerate quickly in of D drove the pedal trample after all, connect the compulsory low fend off the pass and then can reduce to block automatically, the car accelerates very quickly, after overtaking a car loosen to open the pedal of acceleration to can rise to block automatically again.●The usage of the S, of L low the usage that blockThe automatic gearbox in in is placed in the low blocking the scope on of S or of Ls, can usage under an etc. circumstance.It change to can make use of to launch well into of S or of Ls the mechanism move, avoiding the car wheel system move the machine over hot, cause the system move the effect descent while going down slope.But change into from the of D of S or of L, car soon can't higher than rise to block the car homologously soon, otherwise strong vibration in opportunity to launch, make gearbox oil hoicked, even will damage the gearbox.The is another at rain fog weather hour, if the road adheres to the term bad, can change into a position for or of L, fixing at somely first lowly blocking driving, doing not use can automatically changing blocking, in order to prevent the car beats slippery.Must keep firmly in mind at the same time, beat the slippery hour can will choose to block the pole pushes into a motive for, cutting off launching machine, toing guarantee a car the safety.汽车悬架现代汽车中的悬架有两种，一种是从动悬架，另一种是主动悬架。

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