汽车专业英语 (2)
汽车专业英语(第二版)[111页]
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DEVELOPMENT OF THE AUTOMOBILE(1)
基本要求
(1)熟记课文中的生词和词组用，重点词汇造句 (2)能正确阅读课文 (3)能正确翻译课文内容
DEVELOPMENT OF THE AUTOMOBILE(1)
教学活动设计
★ New Words and Expressions ★ Text Lecture ★ Sentence Reference
2020/5/2
DEVELOPMENT OF THE AUTOMOBILE(1)
Sentence Reference
1…..has been invented …..现在完成时的被动语态。 2. so ……that …… 如此……以至于，结果状语从 句
2020/5/2
UNIT TWO DEVELOPMENT OF THE AUTOMOBILE(2)
2020/5/2
UNIT EIGHT UNIT NINE UNIT TEN UNIT ELEVEN UNIT TWELVE
CHASSIS TRANSMISSION SYSTEM SUSPENSION SYSTEM STEERING SYSTEM BRAKE SYSTEM
2020/5/2
UNIT ONE DEVELOPMENT OF THE AUTOMOBILE(1)
2020/5/2
TYPES OF AUTO
基本要求
(1)熟记课文中的生词和词组用，重点词汇造句 (2)能正确阅读课文 (3)能正确翻译课文内容OF AUTO
New Words and Expressions
2020/5/2
TYPES OF AUTO
Text Lecture
2020/5/2
汽车专业英语教程教案2
（图2-2）
图2-2 怠速控制系统组成
AFS（空气流量传感器）
空气流量传感器AFS（Air Flow Sensor）（图2-3）或进气歧管绝对
Mode switch（模式开关）
模式开关又称程序开关，用于选择自动变速器的控制模式， 即选择自动变速器的换挡规律，以满足不同的使用要求。如图213即为一安装在操纵手柄旁的模式开关。
（Economy）经济模式 （Power）动力模式 （Snow）雪地模式 （Normal）普通模式 （Manual）手动模式
火提前角。
CPS和CIS（曲轴位置传感器和凸轮轴位置传感器）
曲轴位置传感器CPS（Crankshaft Position Sensor）和凸轮 轴位置传感器CIS（Cylinder Iden-tifieation Sensor）在燃油
喷射控制系统中的作用：曲轴位置传感器的功用是检测发动机曲 轴转角和转速信号，凸轮轴位置传感器功用是检测活塞上止点位 置信号，故又称为汽缸识别传感器。作为喷油正时控制和点火正
检测自动变速器的挡位选择开关是否处于空挡位置。
IGN（点火开关信号）
点火开关信号IGN（Ignition Switch）：当点火开关接通 “ON（点火）”或“ST（启动）”挡位时，向电控单元ECU输入相 应的信号。
A/C（空调）
空调A/C（Air Conditioning Switch）选择与请求信号：当 空调接通时，向电控单元提供信号。
在L型电控燃油喷射系统中，由空气流量计测量发动机的进气 量，并将进气量信号输入ECU。
教学课件 汽车专业英语(第二版)
crankcase 曲轴箱
section and the crankcase section. The
house 安装
crankcase section is used to house the
crankshaft 曲轴
crankshaft, oil pan. Cooling passageways are camshaft 凸轮轴
• 4. Piston and Connecting Rod Assembly piston 活塞
• The piston and connecting rod assembly transmits the power from combustion to the crankshaft. Shown in Fig.1-1-3 ,it mainly
• are two types of sleeves－wet and dry.
• Seals must be used on the top and bottom of the wet sleeve in order to keep the coolant from leaking out of the cooling system.
built within the block. These passageways, coolant 冷却液
also known as water sockets, surround the
oil pan 机油盘
cylinders. They allow coolant to circulate water socket
(气缸体) 2- cylinder
(气缸) 3- crankcase area
（曲轴箱部分）
汽车专业英语第二章第六节资料
• 两种基准参考燃料正庚烷和异辛烷分别被 定义成辛烷值为0和辛烷值为100，将它们 混合产生与实验样本相等敲缸强度的爆震。
混合物中异辛烷的百分比就认为是实验样
本的辛烷值。这样，依照实验方法，如果 匹配的混合物由15%的正庚烷和85%异辛 烷组成，那么按照所用的实验方法，对比 实验样本的辛烷值就是85。
• 凸圆旋转带动油泵中的摇臂运动。油泵中 可膜片变形的泵膜通过膜片回位弹簧和膜 片拉杆与摇臂相连。
• 2. Carburetor
• Complete burn • theoretical requirement - 14.7:1
• Excess-air factor λ: • λ=air mass supplied/ theoretical requirement • 过量空气系数
2.6.4 Carburetor Fuel System
• 1. Fuel pump:
• Most cars today have a mechanical fuel
pump. This pumps fuel out of the tank
and through the fuel lines to the
the fuel-gauge-sending unit.
• 当前大多数汽车采用机械汽油泵，汽油泵 从油箱抽出汽油，通过油管送到化油器或 喷射系统。大部分汽车的汽油泵安装在缸 体上。一些汽车采用电动汽油泵，汽油泵 安装在油箱上，附带有油量传感器和燃油 表油量传送装置。
• The rotation of the lobe moves a rocker arm in the pump. Inside the pump, a flexible diaphragm connects to the rocker arm though a diaphragm spring, pull rod and link.
汽车专业英语教程教案 (1-2)
1、通用汽车公司凯迪拉克轿车VIN编码规则与含义 2、福特汽车公司林肯轿车VIN编码规则与含义 3、克莱斯勒汽车公司VIN编码规则与含义 4、奥迪汽车股份公司VIN编码规则与含义 5、奔驰汽车公司S系列轿车VIN编码规则与含义
2 3
4 、5
6
1、通用汽车公司凯迪拉克轿车VIN编码规则与含义-2 、通用汽车公司凯迪拉克轿车VIN编码规则与含义位 置 号 7 含 义 Restraint code 乘员安全防护系统类型 2-manual belts with driver air bag 手动式安全带及驾驶 员安全气囊;4-passive belts 被动式安全带 Engine code 发动机型号 B-4.9L V8（L26）;Y-4.6L V8（LD8）; 9-4.6L V8 （L37） Check digit 检验数号码 0 through 9 or x 0~9或x vehicle model year 年款 N-1992; P-1993; R-1994; S-1995; T-1996; V-1997; W1998; X-1999; Y-2000;1-2、福特汽车公司林肯轿车VIN编码规则与含义-1
位 置 号 1 ～3 含 义 Indecates manufacturer identification生产厂商 1LN-Lincoln passenger car林肯轿车 Indecates restraint system 安全保护系统 L-active belts/passenger&driver air bag 主动式安全带/ 乘员和驾驶员安全气囊 C-Air bag，driver only驾驶员安全气囊 P-passive safety belts 被动式安全带 Indicates line/series type 车型系列 Mpassenger car Lincoln/Mercury林肯轿车/水星轿车系列 Lincoln/Mercury林肯轿车/
汽车专业英语2汇总
汽车专业英语2汇总汽车专业英语汽车专业英语词汇（汽车专业英语词汇（一）轮椅升降机wheel chair lift 图例legend 工位station 吊运装置overhead hoist 更衣室restroom 1号厂房工艺布置方案图proposal of the Plant I layout 合笼mate 底盘平移台chassis shuttle 车辆转移台bus transfer 前围角板front wall angle cover 后围侧板rear wall side cover 保险杠bumper 三类底盘three type chassis裙板skirt 发动机托架engineholding frame ejector alarming排水阀drain valve 除湿器moisture 怠速时at idle 琴式驱动桥banjotype drive axle 诊断报警系统diagnosis system and互缩微换图性纸interchangeability microfiche files 总装final assembly 磷化phosphating 仪表板dash board 切齐trimming通风口duct 恒温控制结构完整性structure integrity thermostatic control 平衡水箱surge tank 变光开关simmer switch 消音器muffler vandal 防破坏resistant聚碳化透镜poly-carbonate len自动愈合的防腐材self-healing corrosion preventative material 长途客车inter-city bus 改装厂refitting factory 遮阳板sun visor 随车工具tool box 钢化玻璃toughened grass 异形钢管special steel pipe料镀锌板galvanizedplate搭接lap 亮丽的外表smart apperance 隐藏式固定concealed fastening 水洼ponding左侧围应力蒙皮R/S stretching skin (road side) 中涂floating coat 拼装台collector 切割轮口wheel -arch cutting 内饰trim 线束harness 返工re-doing 轮罩护板wheel house发动机中置式客车bus with under floor engine组合式客车车身modular bus body全天候空调系统full range A/C 薄壳式结构shell construction强制通风ram-air ventilation衬垫pad 空气导流板deflector air 停机时间downtime 无公害柴油cleandiesel宽敞悬臂式座椅roomy cantilevered seat 防滑地板no-skid floor beam搁梁shelf beam 腰梁waist rail stabilizing 梭梁腰带式安全带diagonal safety belt 压条trim strip 嵌条insertion strip 翼板fender斜撑bracing piece 发车前准备pre-delivery举升hoist 小批量产品be pilot 2 套two kits power 配电站transformer substation织物纹里铝合金textured aluminum extrution 爬坡能力grade ability 转向盘回正性试验test of steering returnability wheel J turn 频率响应时间试验frequency response test转向盘转角脉冲试验steering wheel impulse input test瞬态响应时间试验transient response test 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 阶路响应时间试验step response test转向盘转角阶跃输入试验steering wheel step input or transient state yaw response test二冲程发动机two-stroke engine脉冲响应试验pulse response test 四冲程发动机four-stroke engine静态操舵力试验static steering effort test 极限侧向加速度试验limiting acceleration test lateral直接喷射式柴油机direct injection engine悬架举升试验jack-up test of suspension 耐翻倾试验test ofoverturning immunity 轮辋错动试验rim slip test 风洞试验wind tunnel test 间接喷射式柴油机indirect injection engine 汽车平顺性随机输入行驶试验automobile ride random input running test 增压式发动机supercharged engine 汽车平顺性单脉冲输入行驶试验automobile ride single running test pulse input风冷式发动机air-cooled engine油冷式发动机oil-cooled engine 制动稳定性试验test of braking stability 汽车悬挂系统固有频率与阻尼比的测定试验measurement of natural frequency and damping raito of suspension 水冷式发动机water-cooled engine 最小转弯直径试验minimum turning diameter test 操舵力试验steering effort test 类型type 发动机engine intenal 内燃机combusiton engine 动力机装置power unit 汽油机gasoline 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 engine gas engine petroleum gas功率突然变化影响试验test of effect of suddenpower change 汽车专业英语词汇（汽车专业英语词汇（二）柴油煤气机diesel 多种燃料发动机multifuel engine收油门后控制试验test of control at breakway横风稳定性试验test of crosswind stability 反冲试验kick-back test石油发动机hydrocarbon engine汽油喷射式汽油机gasoline-injection engine双燃料发动机duelfuel engine轮胎爆破响应时间试验test of burst responseof tyre火花点火式发动机spark ignition engine热球式发动机hotbulb engine压燃式发动机绕过障碍物试验compression ignition engine多气缸发动机multiple cylinder engineobstacle avoidance test往复式内燃机lane reciprocating combustion engine internal对置活塞发动机opposed piston engine移线试验change test J 型转弯试验test of对置气缸式发动机opposed-cylinder engine化油器式发动机十字头型发动机cross head enginevalveless enginestroke多气门发动机multi-valve engine压缩行程直列式发动机in-line engine compression stroke卧式发动机horizontal engine stroke爆炸行程explosion 膨胀行程expansionstroke星型发动机radialengine斜置式发动机筒状活塞发动机inclined enginetrunk-piston engine立式发动机verticalengine W 形发动机w-engine I 形发动机I-engine L 形发动机L-engine F 形发动机F-engine 性能performance stroke动力行程power斯特林发动机stirling engine排气行程exhauststroke套阀式发动机knight engine膨胀换气行程expansion-exchange stroke气孔扫气式发动机port-scavenged engine换气压缩行程exchange-compression stroke 汽车专业英语词汇（汽车专业英语词汇（三）page 6 止点dead center 上止点top dead center(upper dead center) 下止点lower dead center(bottom dead center)倾斜式发动机slantengine前置式发动机front-engine二冲程循环two-stroke cycle后置式发动机rear-engine四冲程循环four-stroke cycle中置式发动机central engine狄塞尔循环dieselcycle左侧发动机left-hand engine上奥托循环otto cycle 混合循环mixedbudc(before center)止点前deadupper右侧发动机right-hand engine cycle上止点后atdc(after 定容循环constanttop dead cetner)短冲程发动机oversquare enginevolume cycle下bbdc(before center)止点前dead长冲程发动机undersquare engine cycle工作循环working 等压循环constantpressure cyclebottom等径程发动机square engine下止点后abdc(afterbottom dead center) 缸径cylinder bore 缸径与行程bore and strokeenergy 空气室chamber顶置凸轮轴发动机overhead camshaft engine理想循环ideal cycle 热力循环thermodynamic cycle 冲程strokepage 7 双顶置凸轮轴发动机dual overhead camshaftengine V V-engine活塞行程形发动机strokepiston气缸余隙容积长行程long stroke 上行程up stroke 下行程down stroke 进气行程intakecylinder clearance volume顶置气门发动机valve in-head engine燃烧室容积combustion chamber volume侧置气门发动机side valve engine stroke气缸最大容积maximum cylinder volume 压缩室compression无气门发动机充气行程chargingchamber马力小时，马力时horsepower-houradaptibility排气量displacement 发动机排量enginedisplacement转速适应性系数speed adaptive coefficient 强化系数coefficient of intensification 校正系数correction factor总马力gross horsepower活塞排量swept volumepiston气缸容量cylindercapacity总功率gross power 净功率net power 燃油消耗量fuelconsumption换算系数单室容量比燃料消耗率specific fuel consumptionconversion factorsingle-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活塞平均速度meanair oil piston speedpage 8 空气消耗率consumption发动机转速enginespeed (rotational frequency) 怠速转速idling speed 经济转速economic speed 起动转速starting speed机油消耗量consumption有效马力net horsepower额定马力horse powerrated马力重量系数horsepower-weight factor 制动功率brake horse power 制动热效率brake thermal efficiency overall 总效率efficiency行程缸径比stroke-bore ratio 混合比mixture ratio最低稳定工作转速lowest continuous speed with load 最大扭矩转速speed at maximum torque压缩压力compression pressure制动平均有效压力brake mean pressure(bmep) effective最高空转转速maximum no load governed speed speed 调速governing 超速overspeed 怠速idling 转速波动率speed fluctuation rate working 工况condition(operating mode) 额定工况declared workingcondition 变工况variable working condition 稳定工况steady working condition 空载no-load 全负荷full load 超负荷overload排烟极限功率smoke limiting horsepower 功率曲线power curve空燃比air fuel ratio 燃空比fuel air ratio 燃料当量比fuelequivalence 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机机械械损效失率mechanical loss mechanical efficiency有效热效率effective thermal efficiency充气系数volumetric efficiency过量空气系数page 9 coefficient of excess air适应性系数adaptive coefficient扭矩适应性系数coefficient of torque部分负荷part load 充量（进气）充量（进气）charge 旋转方向directionof rotationinblock (cast enblock)主燃烧室enginemain发动机罩bonnet气缸体加强筋engine block stiffening rib 气缸cylinder 转子机）（转子机）缸体stator 缸径cylinder bore 气缸体机架cylinder block frame 气缸盖cylinderhead 配气机构箱valve mechanism casing 气缸体隔片cylinder spacer顺时针clockwise 逆时针counter-clockwisecombustion chamber 副燃烧室subsidiary combustion chamber 预燃室prechamber 涡流燃烧室` swirl combustion chamber左转rotationleft-hand right-hand分开式燃烧室divided combustion chamber右转rotation涡流式燃烧室turbulence chamber hemispherical chamber combustion外径major diameter 中径pitch diameter 内径minor diameter 径向间隙radialclearance半球形燃烧室combustion浴盆形燃烧室bathtub section combustion chamber L 形燃烧室L-combustion chamber发动机性能engineperformance气缸盖密封环cylinder head ring gasket 气缸盖垫片cylinder head gasket 气缸套cylinder liner(cylinder sleeve) dry 干式缸套cylinder liner wet 湿式缸套cylinder liner 气缸水套water jacket 膨胀塞expansion plug 防冻塞freeze plug 气缸壁cylinder wall 环脊ring ridge 排气口exhaust port加载性能loadingperformance起动性能startingperformance 汽车专业英语词汇（汽车专业英语词汇（四）楔形燃烧室wedge-section chamber combustionpage 10 加速性能开式燃烧室opencombustion chamberacceleration performance 动力性能power performance 排放性能emission performance 空转特性no load characteristics part 负荷特性throttle characteristics 调速特性governor control characteristics 万有特性mapping characteristics 稳定调速率steady state speed governingrate封闭喷射室closedspray chamber活塞顶内燃烧室piston chamber爆发室chamberexplosion燃烧室容积比volume ratio of combustion cahmber中间隔板燃烧室口径比surface-volume ratio combustion chamber ofintermediate bottum 导板guideway创成半径（转子机）创成半径（转子机）generating radius通道面积比arearatio of combustion chamber passage气缸体和气缸盖cylinder block and head 气缸体cylinder block cast 整体铸造缸体宽度（转子机）缸体宽度（转子机）operating width 机柱column 燃烧室combustion chamber曲轴箱通气口crankcase breather凸轮轴轴承座camshaft bearing bush seat定时齿轮室罩camshaft drive(gear)cover直接冷却式活塞direct-cooled pistonkeystone ring矩形环rectangularring曲轴箱检查孔盖crankcase door间接冷却式活塞indirect cooled piston曲轴箱防爆门crankcase explosion proof door 主轴承盖main bearing cap 气缸盖page 11罩valve mechanism cover 飞轮壳flywheel cover piston滑裙活塞活塞速度speedslipper piston piston piston油环oil control ring 开槽油环slotted oilcontrol ring螺旋弹簧加载双坡口油环coil spring loadedslotted oil control ring 涨环expander 双坡口油环double bevelled oilcontrol ring 内上坡口internal bevel top 内下坡口internal bevel bottom活塞顶部head活塞裙部skirt整体活塞裙solidskirt扫气储器scavenging air receiver 活塞piston活塞裙扩大衬簧piston skirt expander裙部开槽活塞splitskirt piston U 形槽活塞U-slot piston滑履式活塞裙slipper skirt边缘坡口油环bevelled-ege oil control ring 刮油环scrapper ring 钩形环napier ring镀铬活塞环chrome plated piston ring 活塞衬环piston ring expander 活塞环槽piston ring groove 活塞环区ring zone 活塞环岸piston ring land 活塞环内表面back of ring隔热槽heat dam 活塞标记pistonmark滚花修复活塞knurled piston圆顶活塞dome boss活塞销piston pin 活塞销孔piston pin 活塞销衬套pistonpin bushinghead piston 汽车专业英语词汇（汽车专业英语词汇（五）平顶活塞flat head piston 凸顶活塞crown head piston(convex head piston) 凹顶活塞concave head piston全浮式活塞销full-floating piston pin半浮式活塞销semifloating piston pin固定螺钉式活塞销set screw piston pin 活塞环piston ring曲柄连杆机构connecting rod阶梯顶活塞page 12 step-head piston组合式活塞环trunk compound piston ring中心曲柄连杆机构central-located rod connecting筒形活塞piston同心活塞环椭圆形活塞ovalconcentric piston ring偏心曲柄连杆机构offset connecting rodpiston偏心活塞环抗热变形活塞eccentric piston ring 自由环free ring 闭合环closed ring 梯形环keystone ring half 半梯形环铰接曲柄边杆机构hinged connecting rod 连杆connecting rodautothermic piston不变间隙活塞constant clearance piston连连杆杆小大头头镶因瓦钢片活塞invar strut pistonconnecting rod small endconnnecting rod big end连杆杆身slaveconnecting rod shank副连杆connecting rod曲柄crank 曲柄臂crank arm 曲柄销crank pin 轴套bush 曲柄转角crankanglesystem当量轴长equivalentshaft length一级往复惯性力reciprocating inertia force,1st order叉形连杆fork-and-blade rod connecting rodconnecting radius main曲柄半径crankpage 13 二级往复贯性力reciprocating inertia force, 2nd order主连杆方形连杆boxed rod 绞链式连杆hingedtype connecting rod抛油圈oil slander 角度轮degree wheel 动平衡机dynamicbalancer离心惯性力centrifugal inertia force 配气机构valve gear 凸轮轴camshaft 凸轮cam平衡重balancer活节式连杆articulated connecting rod 连杆盖connecting rod capweight 汽车专业英语词汇（汽车专业英语词汇六）（整体式凸轮轴one-piece camshaft扭振减振器torshional vibration damper 扭振平衡器torsion balancer组合式凸轮轴assembled camshaft连杆轴承connecting rod bearing 曲轴crankshaft凸轮轴驱动机构camshaft drive谐振平衡器harmonic balancer整体式曲轴one-piece crankshaft赛车用凸轮轴racecamshaft振动平衡器vibration balancer组合式曲轴assembled crankshaft 右侧曲轴right-hand crankshaft 左侧曲轴left-hand crankshaft凸轮轴轴颈camshaft bearing journal曲轴链轮crankshaftsprocket凸轮轴轴承rotor camshaft bearing转子轴颈journal凸轮轴偏心轮偏心轴eccentric camshaft eccentric改变行程的曲轴stroked crankshaftshaftpage 14 凸轮轴链轮曲轴箱crankcase 闭式曲轴箱通风装camshaft sprocket曲轴前端crankshaftfront end凸轮轴正时齿轮camshaft timing gear曲轴主轴颈crankshaft main journal轴颈重叠度shaftjournal overlap 圆角fillet 主轴承main bearing曲轴止推轴承crankshaft thrust bearing 薄臂轴瓦thin wall bearing shell 曲轴油道crankshaft oil passageclosed-crankcase ventilating system 飞轮flywheel 飞轮齿圈flywheel ring gear 飞轮芯棒cantilever 飞轮芯轴flywheel spindle置凸轮轴齿轮camshaft gear wheel 进口凸轮inlet cam 排气凸轮exhaust cam 快升凸轮quick lift cam 快升缓降凸轮quick lift gradual clsing cam 凸轮轮廓cam contour 凸轮包角cam angle飞轮的惯量矩flywheel moment of inertia 飞轮标记flywheel mark 当量系统equivalent凸轮升程cam-lobelift切向进气道进气tangential duct intake气门头valve head 气门工作面valveface凸轮尖cam nose 凸轮从动件camfollower进气紊流trubulenceintake气门边限marginvalve进气提前角intakeadvance angle齿轮传动机构geardrive气门弹簧座valve-spring retainer 气门锁片valve key进气持续角intake 正时齿轮timing duration anglegear进气迟后角intake 链传动机构chainlag angle气门间隙调节螺钉valve lash adjusting screw 气门旋转器valve rotator 气门室valvecage 气门油封valve oil seal 气门口valve port 气门座valve seatdrivepage 15 进面值链轮sprocket wheel chain 链轮盘valuetime-areasprocket气门升程valve lift 气门正时valvetiming正时链条chaintiming扫气口面积带齿皮带toothedscavenging port area 菌形气门mashroom valve, poppet valve 钠冷却气门sodium filled valve(natrium cooled valve) 双气门dual valve 进气门intakevalve (suction valve,inlet valve) exhaust 排气门valve 顶置气门overhead valve 侧置气门side valve 倾斜气门inclined overhead valve 直立气门vertical overhead valve 套筒式滑阀sleeve valve 气门机构valve geartiming belt链条张紧轮chaintension gear气门座镶圈（气门座镶圈（嵌镶式气门座圈）valve seatinsert(valve seat ring)半速齿轮half speedgear气门座锥角valveseat angle正时齿轮刻印记号timing gear punch mark 气门valve 进气过程intake process gas 换气过程exchange process气门座宽度valveseat width气门挺杆tappet(valve lifter)valve液力挺杆hydraulictappet(lifter)无间隙挺杆zero-rush tappet (non-clearance tappet) 筒形挺杆barrel type tappet 油压挺杆ooil tappet 滚轮挺杆roller tappet(lifter) 挺杆转位tappet rotation 排气门挺杆exhaust valve lifter 气门导管valve guide 气门杆导管stem guide扫气过程scavenging process给气比ratiodelivery分层充气stratifiedcharge充量page 16 系数volumetric efficiency 涡流比swirl rate 进气涡流intake swirl直接式气门驱动机构direct valve gear 间接式气门驱动机构indirect valve gear 气门杆valve stem 加大气门杆oversize valve stem螺旋进气道进气helical duct intake导流屏式气门进气masked valve intake气门重叠度stemoverlap pulley张紧带轮tensioningrate供油率fuel supply 燃油通道gallery fuel气门开启持续时间valve duration传动带张紧装置belt tensioner气门正时标记valvetiming sign同步驱动皮带synchronous belt stroke有效行程effective 剩余行程remainderstroke气门弹簧springvalve同步驱动皮轮synchronous belt pulley 供油系fuel system气门内弹簧innervalve spring变行程计量variablestroke metering控制燃烧系统controlled system antipercolator combustion气门外弹簧outervalve spring等容卸载constantvolume unloading刚性缓冲弹簧stiffbuffer spring反湿气装置电子燃油喷射electronic fuel injection volume变容卸载variablevolume unloading上紧弹簧energizingspring收缩容积retraction 燃油喷油装置fuel injection equipment防振气门弹簧page 17 non-surging spring蒸气回收装置vaporrecovery system弹簧座圈retainerspring燃油蒸气回收系统fuel vapor recovery system燃油喷射泵injection pumpfuel蝶形弹簧bellevillespring液体回收装置liquid withdrawal system滚轮式燃油喷射泵roll fuel injection pump滚柱roller 气门室盖恒量净化管valve constant purge line凸轮轴式燃油喷射泵camshaft fuel injectionpumpchamber cover 摇臂rocker arm 高升程摇臂high lift rocker arm 摇臂轴rocker arm shaft 汽车专业英语词汇（汽车专业英语词汇（七）推杆push-rod摇臂支架rocker arm bracket 气门摇臂室罩valve rocker chamber cover 导向轮guide wheel 导杆slide bar 导轨slide rail 张紧轮tensioning wheel碳罐净化管canisterpurge line直列式燃油喷射泵in-line fuel injection pump供油量fuel delivery 循环供油量fueldelivery per cycle伺服式燃油喷射泵servo fuel injection pump额定供油量ratedfuel delivery底部突缘安装燃油base flanged 喷射泵mounted fuel injection pump怠速供油量idlingspeed fuel delivery上部安装燃油喷射fuel high flanged-mounted fuel injection pump供油规律supply rate curve泵油量调节装置fuelcontrol unit侧向安装燃油喷射泵side-mounted injection pump fuel供油提前角supply advance anglefuel inletpage 18 进油计量metering油端部突缘安装式燃end 喷射泵链条张紧调节装置assembly adjuster chain tension几何供油行程geometric stroke fuel deliveryflange-mounted fuel injection pump V 形燃油喷射泵vee fuel injectionpump脉动式燃油喷射泵jerk fuel injection pump峰值喷油扭矩peakinjection torque突缘安装喷油器壳体flanged-mounted injection nozzle holder螺纹安装燃油喷射泵screw-mounted injection pump fuel峰值喷油压力peakinjection pressure燃油喷射泵传动装transmision injection pump喷油泵油缸数目number of cylinders of an injection pump 无气喷射solid injection喷射正时injection timing 集中喷射group injection 喷油器injector 整体式喷油器unit injector 喷嘴nozzle 轴针式喷嘴pintle type nozzle 环槽式喷嘴annular slot nozzle 孔式喷嘴hole type nozzle 长杆喷嘴long stemnozzle 孔板式喷嘴orifice plate nozzle 开式喷嘴open nozzle 闭式喷嘴closed nozzle 喷油提前器timingadvance unit置ofan蓄能式燃油喷射泵accumulator fuel injection pump喷嘴锥体hole conenozzle往复式燃油喷射泵reciprocating fuel injection pump柱塞plunger 柱塞套barrel 柱塞行程plungerstroke驱动轴式燃油喷射泵driveshaft fuel injectionpump喷孔spray orifice 海拔控制器altitudecontrol单缸式燃油喷射泵single cylinder fuel injection pump提前器飞锤flyweight圆柱式燃油喷射泵cylindrical pump fuel injection喷孔长径比ratio ofpage 19 nozzle hole length nozzle diameter 旋转式燃油喷射泵rotary fuel injection pump喷嘴液动力特性nozzle characteristics phase hydrokinetic分配式燃油喷射泵distributor pump fuel injection动态相位dynamic 喷孔面积hole area nozzle多缸燃油喷射泵multicylinder fuel injection pump喷嘴流通特性nozzle flow characteristic 喷油背压injection back pressure 高压油管high pressure pipe 平均喷油扭矩mean injection torque 喷油总效率overall pumping efficiency框架安装式燃油喷cradle mounted 射泵injection pump 汽车专业英语词汇八汽车专业英语词汇八fuel 喷油始点injection beginning fuel 喷油终点injection end 喷油持续角fuel injection duration angle 喷油延迟injection delay 引燃喷射pilot injection 启喷压力injection starting pressure喷射泵壳体injection pump housing 针阀needle 芯轴central spindle 喷嘴壳体nozzle body 针阀升程needle lift峰值喷油压力injection peak pressure喷嘴盖形螺母nozzle cap nut喷油器壳体nozzleholder1page 20。
Unit 2汽车专业英语(发动机)
II. Text Explanation
Convert…..into…. ①转变；变换 That building has been converted into a school. 那座楼房改成学校了。 ②兑换 I want to convert some Hong Kong dollars into American dollars. 我想把一些港元换成美元。 ③改变信仰、党派或意见等 She managed to convert him to her opinion. 她终于设法说服了他接受她的意见。
Fuel supply system
Valve gear
III. Exercises
•Translate the following expressions into Chinese. 活塞 piston 曲轴 crankshaft 分电器 distributor 油底壳 sump 正时齿轮 timing gear crankshaft and connecting rod mechanism 曲柄连杆机构 配气机构 valve gear 燃油系统 fuel system 火花塞 Spark plug 排气歧管 exhaust manifold
Reading
In other words, the piston completes a stroke each time it changes its direction of motion. 换句话说，活塞每完成一次冲程就会改变运动方向。
In other words
In other words, they remain relatively constant or static. 换句话说，它们相对的稳定、静止。 In other words, we have adhered to scientific socialism. 也就是说，我们坚持了科学社会主义
汽车专业英语词汇（2）_交通运输英语词汇
排气分析试验 exhaust analysis test 突变负荷试验 sudden load change test稳定性试验 stability test单缸熄火试验 one cylinder shut off test例行检查试验 routine inspection test验证试验 verification test鉴定试验 approval test可靠性试验 reliability test耐久性试验 durability test定型试验 type approval test验收试验 acceptance test现场试验 field test出厂试验 delivery test抽查试验 spot check test复查试验 re-check test台架试验 bench test强化试验 hop-up test发动机试验台 engine test bed底盘测功机 chassis dynamometer测功机 dynamometer水力测功机 hydraulic dynamometer电涡流测功机 eddy current dynamometer电力测功机 electric dynamometer扭矩仪 torque meter转速表 tachometer温度测量 thermometry温度测量仪器 thermometric instruments空气流量测量 air flow measurement热线风速仪 hot wire anemometer电子示功仪 electronic indicator燃烧分析仪 combustion analyzer压力传感器 pressure transducer精密声级计 precision sound level meter排放 emission排放物 emission排气污染物 gaseous pollutant蒸发排放物 evaporative emission曲轴箱排放物 crankcase emission漏气 blowby gas氨氧化物 oxids of nitrogen一气化碳 carbon monoxide碳氢化合物 hydrocarbon甲烷 methane无甲烷碳氢化合物 non-methane hydrocarbons光化学活性碳氢化合物photochemically reactive hydrocarbons微粒物 particulated matter黑烟 black smoke蓝烟 blue smoke白烟 white smoke碳烟 soot光化学烟雾 smog臭味 odor丙烷 propane排放浓度 concentration of emission排气烟度 exhaust smoke先期排气 initial exhaust亚临界排气 subcritical exhaust超临界排气 supercritical exhaust强制排气 forced exhaust自由排气 free exhaust排气提前角 exhaust advance angle排气迟后角 exhaust lag angle排气热损失 exhaust heat loss排气净化 exhaust purification排气背压 exhaust back pressure残余废气 residual gas排气有害成分 poisonous exhaust composition柴油机排烟 diesel smoke综合排放浓度 composite concentration of exhaust emission 综合排放质量 composite mass of exhaust emission排放系数 emission factor排放率 emission index质量排放量 mass emission比排放量 brake specific emission排放物控制系统 emission control system排气排放物控制系统 exhaust emission control system二次空气 secondary air二次空气分配歧管 secondary air distribution二次空气控制阀 secondary air control valve二次空气转换阀 secondary air switching valve二次空气转流阀 secondary air diverter valve二次空气喷射装置 secondary air injection system二次空气喷射管 secondary air injection tube二次空气喷射减速压阀 secondary air injection relief valve脉动空气装置 pulsating air system二次空气泵 secondary air pump曲轴箱排放物控制系统 crankcase emission control system曲轴箱双通风系统 crankcase closed system曲轴箱单通风系统 crankcase sealed system曲轴箱强制通风装置 positive crankcase ventilationpcv阀 pcv valve蒸发排放物控制系统 evaporative emission control system 活性碳罐贮存装置 charcoal canister storage system活性碳罐 charcoal canister曲轴箱贮存装置 crankcase storage system空气滤清器贮存装置 air filter storage system燃油箱止回阀 fuel tank check valve油气分离器 fuel and vapor separator清除阀 furge valve催化转化系统 catalytic converting system催化燃烧分析仪 catalytic combustion analyzer催化剂 catalyst转化器 converter催化转化器 catalytic converter轴流式转化器 axial flow type converter径流式转化器 radial flow type converter下流式转化器 down flow type converter上流式转化器 up flow type converter双床式转化器 dual bed converter单床式转化器 single bed converter氧化型催化剂 oxidation catalyst还原型催化剂 reduction catalyst三元催化剂 three-way catalyst贵金属催化剂 noble metal catalyst普通金属催化剂 base metal catalyst稀土催化剂 rare earth catalyst催化剂耗损 catalyst attrition催化剂收缩 catalyst shrinkage催化剂中毒 catalyst poisoning比表面积 specific surface area空速 space velocity载体涂料 washcoat双重催化系统 dual -catalyst system催化箱 catalyst container载体 substrate整体式载体 monolithic substrate颗粒式载体 pelleted substrate转化效率 conversion efficiency熄灯温度 light-off temperature热态反应系统 thermal reacting system热反应器 thermal reactor反应式歧管 reactive manifold过热保护装置 over heating protection system过热警报装置 over heating warning system排气口衬套 exhaust port liner后燃器 after burner排气再循环系 egr system排气再循环 exhaust gas recirculation节气门前egr系统 above throttle valve egr system节气门后egr 系统 below throttle valve egr system空气比例式egr系统 air proportional egr system负荷比例式egr系统 load proportional egr system孔口真空控制式egr 系统ported vacuum controlled egr system喉管真空控制式egr系统venturi vacuum controlled egr system排气压力控制式egr系统exhaust pressure controlled egr system声速控制式egr系统 sonic controlled egr system电子控制式egr系统 electronic controlled egr systemegr冷却器 egr cooleregr 过滤器 ger filteregr 控制阀 egr control valveegr调压阀 egr pressure regulator再循环排气 egr gas再循环排气率 egr rate点火和喷油时刻控制系统 ignition and injection timing control system点火时刻控制系统 ignition timing control system减速点火提前控制装置 deceleration spark advance control推迟喷油时刻控制系统retarded injection timing control system转速控制的推迟喷油时刻 retarded injection timing with speed 负荷控制的推迟喷油时刻 retarded injection timing with load 燃油控制系统 fuel control system反馈控制 feedback control空燃比反馈控制系统 air-fuel ratio feedback control system理论配比 stoichiometric高效带 window氧传感器 oxygen sensor稀混合气 lean mixture浓混合气 rich mixture分层充气 stratified charge温度补偿 temperature compensating海拔补偿 altitude compensating气压补偿 atmospheric pressure compensating电子控制化油器 electronic controlled carburetor电子燃油喷射系统 electronic fuel injection system怠速限制器 idle limiter阻风门开启器 choke opener减速控制装置 deceleration control system补气阀 gulp valve节气门定位器 throttle positioner节气门缓冲器 throttle dash pot节气门开启器 throttle opener强制怠速加浓装置 coasting richer发动机电子集中控制系统electronic concentrated engine control system温度传感器 temperature sensor压力传感器 pressure sensor位置传感器 position sensor转速传感器 speed sensor爆震传感器 knock sensor进气流量传感器 intake flow sensor温度开关 temperature switch节气门位置开关 throttle position switch其他控制装置 other control systems除水系统 water removal system喷水装置 water injection system调温式空气滤清器temperature controlled (modulated )air cleaner微粒物捕集装置 particulate trap system捕集装置氧化器 trap oxidizer一氧化碳容积百分率 carbon monoxide percent by volume一氧化碳分析仪 co analyzer湿度 moisture量距和零点 span and zero补偿 compensation标定气体 calibration gas样气处理系统 sample handling system凝水分离器 condensate trap密封垫 gasket玷污 contaminate防漏 leakproof稀释 dilution算术平均值 arithmetic average精度 accuracy全量程 full scale漂移 drift预热时间 warm-up time抗腐蚀性 corrosion -resistance流量计 flowmeter热交换器 heat exchanger不透气收集袋 gas-tight collection bag分析测定方法和仪器analysis measuring method and instrument不分光红外线分析法 nondispersive infrared不分光紫外线分析法 nondispersive ultraviolet氢火焰离子化检测器 flame ionization ditector总碳氢化合物分析仪 total hydrocarbon analyzer气相色谱仪 gas chromatograph化学发光检测器 chemiluminescent detector臭氧发生器 ozonator底盘测功机 chassis dynamometer惯性模拟系统 inertia simulation system功率吸收装置 device for power absorption转鼓 roller空气阻力 aerodynamic resistance滚动阻力 rolling resistance当量惯量 equivalent inertia滤纸式测试仪 filter-type measuring apparatus转速表 tachometer成套分析设备 analytical train组合气室 stacked cell参比室 reference cell滤光室 filter cell干扰滤光器 interferential filter加热式氢火焰离子化检测器 heated flame ionization detector 氮氧化合物转化器 nox converter(no2-no)反应室 reactive cell (chamber)催化燃烧分析仪 catalytic combustion analyzer碳氢化合物响应度 hydrocarbon response碳数当量 carbon equivalent百万分率碳 parts per million carbon (ppmc)氧干扰 oxygen interference氧校正 oxygen correction湿度较正系数 humidity correction (kh)factor拖尾 tailing五氧化二碘法 iodine penta-oxide method平衡气 balance gas零点气 zero grade gas (air zero gas)校正气 calibrating gas量距气 span gas拉格朗日拟合 lagrangian fit二氧化碳干扰校正 corrected for co2 extraction袋式分析 bag analysis柴油机排烟测定仪器 diesel smoke measuring instrument排气烟度 opacity of exhaust gas烟度计 opacimeter全流式烟度计 full flow opacimeter取样烟度计 sampling opacimeter光线有效通过长度 effective path length of light ray吸光系数 light absorption coefficient峰值储存器 peak hold device烟室 smoke chamber引进气体 incoming gas排出气体 outgoing gas色温 color temperature人眼的感光曲线 photoptic curve of human eye光谱反应曲线 spectral response curve光源 light source光束 light beam直接光线 direct light ray反射光线 reflected light rays散射光 diffused light光通量 light lux中性滤波仪 neutral optical filter烟度计物理反应时间 physical response time of opacimeter 电气响应时间 electrical response time倍频程 octave热时常数 thermal time-constant烟柱 smoke column标定用遮光片 calibrating screen示踪气体 tracer gas扫气 scavenge air冷却装置 cooling device膨涨箱 expansion tank暗度刻度 obscuration scale光学试验台 optical bench热电偶 thermocouple气密性 gas tightness阻尼室 dampling chamber烟度计 smokemeter光学式烟度计 optical smokemeter不透光式烟度计 smoke opacimeter比尔-朗伯定律 beer-lambert law不透光度 opacity (lgiht obscuration )(n)透光度 transmittance(t)光吸收系数 coefficient of light absorption (k)光通道有效长度 effective optical path length(l)滤纸式烟度计 filter type smokemeter有效长度 effective length抽气量 swept volume滤纸有效面积 effective filter area死区容积 dead volume烟度单位 smoke unit(index)滤纸式烟度单位 filter smoke number (fsn)内装式烟度计 built-in (in-line)smokemeter外装式烟度计 mounted(end-of line) smokemeter全流式烟度计 full-flow smokemeter部分流式烟度计 art-flow smokemeter取样探头 probe排气收集系统 exhaust gas collection equipment稀释空气样气收集袋 sample collection bag for dilution air稀释空气取样探头 sample probe for dilution air稀释排气混合气收集袋sample collection bag for dilute exhaust mixture取样方法和设备 sampling method and device全流取样法 full flow sampling部分流取样法 partial flow sampling定容取样法 constant volume sampling (cvs)全量袋式取样法 total bag sampling比例取样法 proportional smapling直接取样法 direct sampling method动态或连续取样法 dynamic or continuous sampling容积式泵 positive displacement pump临界流量文杜里管 critical flow venturi稀释系数 dilution factor稀释用空气 dilution air稀释排气 diluted exhaust稀释风道 dilution ratio取样探管 dilution tunnel取样袋 sampling bag逆向清洗 back flush试验方法和限值 testing method and limits试验循环 test cycle行驶循环 driving cycle工况 mode行驶监视仪 driver aid中间转速 intermediate speed加权系数 weighting coefficient美国烟排放物试验循环 us epa smoke emission test cycle全负荷法 full load method自由加速法 free acceleraton method加载减速法 lug down method稳定单速法 single steady speed method道路试验法 road test method滑行法 coastdown密闭室测定蒸发排放物法（shed）sealed housing ofrevaporative emission determination (shed)运转损失 running losses热浸损失 hot soak losses昼间换气损失 diurnal breathing losses美国la-4c法 useqp a-4ch test procedure美国la-4ch法 us epa 4ch test procedure美国九工况法 us epa 9 -mode test cycle美国十三工况法 us epa 13-mde test cycle美国重型柴油机瞬态法us epa heavy duty diesel engine transient test cycle日本四工况法 japanese 4-mode test cycle日本十工况法 japanese 10/11-mode test cycle日本六工况法 japanese 6-mode test cycle欧洲ece十五工况法 ece 15-mode test cycle排放限值 emission limits怠速排放限值 idle speed emission limits浓度排放限值 emission concentration limits质量排放限值 mass rate of emission limits净化 purifying净化率 purifying rate在用车 in-use vehicle无铅汽油 unleaded gasoline劣化系数（df） deterioration factor(df)车辆类型vehicle type道路车辆 road vehicle商用车辆 commercial vehicle机动车辆 motor vehicle电动车辆 electric vehicle摩托车 motorcycle轻便摩托车 moped轿车 passenger car微型轿车 minicar普通级轿车 subcompact car中级轿车 compact car中高级轿车 intermediate car高级轿车 limousine (pullman saloon)活顶轿车 convertible saloon旅行轿车 station wagon短头轿车 forward control passenger car 小型轿车 coupe敞蓬小轿车 drop head coupe跑车 sports car赛车 racer (racing car)单座小客车 one-seater七座小客车 seven-seater越野车 off-road vehicle轻型越野车 light-off-road vehicle中型越野车 medium off-road vehicle重型越野车 heavy off -road vehicle超重型越野车 extra heavy off- road vehicle 吉普车 jeep硬顶吉普车 hard top jeep客车 bus微型客车 minibus轻型客车 light bus中型客车 medium bus大型客车 large bus客货两用小客车 estate car (estate)多用途客车 multipurpose vehicle厢式小客车 closed car出租小客车 taxicar城市客车 urban bus大客车 coach城间大客车 intercity bus长途大客车 long distance coach旅游客车 sightseeing bus(touring bus) 铰接客车 articulated bus无轨客车 trolley bus双层客车 double-deck bus团体客车 private coach货车 truck(lorry)微型货车 mini-truck轻型货车 light truck中型货车 medium truck重型货车 heavy truck公路货车 highway vehicle小型货车 pick-up平板货车 platform truck(flat bed truck) 通用货车 general -purpose vehicle短轴距货车 short-wheel base truck长轴距货车 long-wheelbase truck集装箱运输货车 container carrier客货两用车 cargo-bus厢式货车 van牵引汽车 towing vehicle全挂牵引汽车 towing vehicle牵杆式牵引车 full-trailer towing vehicle 半挂牵引车 semi-trailer towing vehicle 道路列车 road train客用道路列车 passenger road train铰接式道路列车 articulated road train双挂式道路列车 double road train混合式道路列车 composite road train天然气车辆 natural gas vehicle(ngv)压缩天然气车辆 compressed natural gas vehicle 液化天然气车辆 liquid petroleum gas vehicle液化石油气车辆 liquid petroleum gas vehicle双燃料车辆 duel fuel vehicle单燃料车辆 single fuel vehicle专用车 special vehicle垃圾车 dust car (refuse collector)冷藏车 refrigerated van洒水车 street sprinkler (street flusher)囚车 prison van殡仪车 hearse售货车 mobile store(mobile shop)图书馆车 mobile library宣传车 mobile louderspeaker商业广告车 spiel truck展览汽车 demonstration car博览会专用车 fairground vehicle流动艺术展览车 artmobile邮政车 mobile post office运油车 fuel tanker加油车 refueller飞机牵引车 aircraft tractor救护车 ambulance (medical vehicle)病院汽车 clinic car医疗急救车 rescue ambulancex射线诊断车 mobile-x-ray clinic防疫监测车 mobile epidemic control vehicle计划生育车 mobile family -planning clinic伤残者运送车 handicapped person carrier炊事车 kitchen vehicle餐车 mobile canteen沐浴车 mobile shower bath保温车 insulated van电视转播车 tv relaying vehicle电视录像车 video recording vehicle摄影车 mobile photographic studio电影放映车 film projection vehicle邮件运输车 mail carrier农用车 farm vehicle种子检测车 plant seeds inspection van植物保护车 plant pest control vehicle计量检测车 metrology inspection vehicle环境检测车 mobile environment monitor畜禽防疫车 mobile animal eqidemic control交通监理车 traffic control car刑事勘察车 mobile crime investigation vehicle气卸散装水泥车 bulk-cement pneumatic delivery tanker气卸散装煤粉车 bulk-coal powder pneumatic delivery tanker 气卸散装电石粉车bulk-calcium carbide pneumatic delivery tanker气卸散装化学粉粒车bulk-chemicals pneumatic delivery tanker食用植物油运油汽车 edible oil tanker食用植物油加油车 edible oil pump delivery tanker活鱼运输车 life fish carrier气卸散装面粉车 bulk-flour pneumatic delivery tanker吸尘车 vacuum sweeper高压清洗车 high-pressure sewer flushing vehicle 吸污车 suction -type sewer scavenger真空吸粪车 suction -type tumbrel tanker自装卸垃圾车 refuse collecting truck旋转板自装卸垃圾车 compression refuse collector 航空食品装运车 aircraft caterer's delivery truck 散装粮食运输车 bulk-grain carrier散装饲料运输车 bulk-fodder transport truck牲畜运输车 livestock carrier家禽运输车 poultry carrier养蜂车 mobile bee-keeper原木运输车 logging transporter管材运输车 pole transporter车辆运输车 car transporter锅炉车 mobile boiler除雪车 snow sweeper机场客梯车 mobile aircraft landing stairs消防车 fire-fighting vehicle水罐消防车 fire-extinguishing water tanker泡沫消防车 fire-extinguishing foam tanker救火泵车 fire pumper消防水罐车 fire tanker泡沫灭火车 foam vehicle消防指挥车 fire service commanding car云梯消防车 fire-fighting truntable ladder厢式汽车 van厢式零担运输车 break bulk cargo carrier罐式汽车 tanker酸罐车 acid tanker液化气罐车 liquified gas tanker奶罐车 milk tanker食品液罐车 beverage tanker背罐车 demountable tanker carrier装卸机械 loading (unload)machine叉式装货机 fork-type loading (unlaod)machine 刮板式装货机 scraper type loading machine单斗式装货机 single bucket loading machine带升降塔架车辆 tower crane塔式超重机 tower crane汽车吊车 truck crane移动式起重机 mobile crane固定式起重机 stationary crane起重举升汽车 crane/lift truck特种结构汽车 special construction vehicle随车起重运输车 truck with loading crane后栏板起重运输车 tail-lift truck高空作业车 hydraulic aerial cage（公路事故或故障车辆的）急修车 breakdown truck 修理车 mobile workshop救险车 recovery vehicle技术服务车 service car现场用小车 spot dolly工具车 tool car故障检修车 trouble car勘测工程车 recording bus筑路工程用车 road machine压路机 road roller推土机 ball dozer平路机 motor grader铲运机 wheeled loading shovel轮式装载车 wheeled loader轮式挖掘机 wheeled excavator混凝土搅拌车 concrete mixer truck焊接工程车 mobile welding workshop沥青洒布车 asphalt distribution truck沥青路面养护车 asphalt pavement maintenance truck 沥青运输车 heated bitument tanker建筑大板运输车 prfab building panel transporter电信工程车 telecommunicatin field service truck工程机械运输车 construction machinery transporter 仓栅式汽车 storage/stake truck钻孔立柱车 pole drill and erection truck油田试井车 oil-well testing vehicle井架运输车 derrick transporter修井车 well maintenance vehicle地锚车 mobile ground anchor vehicle灌注车 oil well cracking acid pumping truck照明车 flood lighting vehicle后翻倾式自卸汽车 rear dump truck两侧翻倾式自卸汽车 side dump truck三面翻倾式自卸汽车 three-way dump truck重型自卸汽车 heavy duty dump truck矿用自卸汽车 mining dump truck专用自卸汽车 special dump truck摆臂式自装卸汽车 swept-body dump truck车厢可卸式汽车 roll-off skip loader全挂车 full trailer半挂车 semi-trailer特种挂车 special trailer栏板货厢式挂车 cargo trailer平板式挂车 flat platform trailer低架式挂车 low-loader trailer厢式挂车 trailer van自卸式挂车 dumper trailer旅居挂车 caravan动物集装箱 live-stock container干货集装箱 dry cargo container保温集装箱 isothermal container框架集装箱 flat rack container散货集装箱 bulk container罐式集装箱 tank container冷藏集装箱 refrigerated container质量 mass净底盘干质量 bare chassis dry mass净底盘整备质量 bare chassis kerb mass底盘与驾驶室干质量 chassis and cab dry mass底盘与驾驶室整备质量 chassis and cab kerb mass整车交运质量 complete vehicle shipping mass整车整备质量 complete vehicle kerb mass最大设计总质量 maximum design total mass最大允许总质量 maximum autohrozed total mass最大设计装载质量 maximum design pay mass最大允许装载质量 maximum autohorized pay mass 厂定最大总质量 manufacturer's maxumum total mass 载重量 payload车辆自重 kerb weight总重量 gross weight轴荷 axle load最大设计轴荷 maximum design axle load最小设计轴荷 minimum authorized axle load最大允许轴荷 maximum design axle load轮胎最大设计拖挂质量 maximum design tyre load最大设计拖挂质量 maximum authorized tyre load最大允许拖挂质量 maximum authorized towed mass汽车列车最大设计质量maximum design mass of vehicle combination汽车列车最大允许质量maximum authorized mass of vehicle combination铰接车最大设计质量maximum disgn mass of articulated vehicle铰接车最大允许质量 maximum authorized amss of articulated vehicle半挂牵引车承受的最大静载荷maximum design static laod borne by semi-trailer towing vehicle作用在挂接装置上的最大设计静载荷maximum design static laod on coupling device作用在挂接装置上的最大允许静载荷maximum authorized static load on coupling device比功率 power/mass ratio比扭矩 torque/maximum total mass ratio重量利用系数 factor of weight utilizaton汽车型谱 chart of automotive model后驱动汽车 rear drive automobile前驱动汽车 front drive automobile发动机后置式客车 bus with rear engine四轮驱动车辆 all wheel drive automobile发动机前置式客车 bus with front engine发动机底置式客车 bus with underfloor engine计算机辅助设计 computer aided deisgn(cad)有限寿命设计 design for finite life累积疲劳损伤原理 theory of cumulative damage in fatique优化设计 optimum deisgn汽车尺寸控制图 sketch on layout ofr dimenshion's control of assembly汽车总装配图 automobile assembly drawing汽车总布置草图 sketch for automobile layout汽车设计的技术经济分析technical -economic analysis in automobile design设计任务书 design assignment系列化、通用化、标准化seriation ,universalization and standardization总布置设计 calculation for layout运动校核 correction of motion侧视轮廓 side outline前视轮廓 end outline顶视轮廓 plan outline车长 vehicle length车宽 vehicle width车高 vehicle height轴距 wheel base轮距 track前轮距 track front后轮距 track rear双胎间距 space between twin wheels前悬 front overhang后悬 rear overhang离地间隙 ground clearance纵向通过角 ramp angle接近角 approach angle离出角 departure angle车架高度 height of chassis above ground驾驶室后车架最大可用长度 maximum usable length of chassis behind cab车身长度 body work length车厢内部最大尺寸 maximum internal dimension of body货厢内长 loading space length货厢有效长度 loading length货厢内宽 loading space width货厢有效内宽 loading width货厢内高 loading space height货厢有效内高 loading height货台高度 loading surface height车架自由长度 frame free length栏板内高 inside board hegiht货厢容积 loading surface门高 door height门宽 door width车架有效长度 chassis frame useful length货厢全长 body length牵引杆长 drawbar length牵引装置的位置 position of towing attachment牵引装置的悬伸 overhang of towing atachment牵引装置的高度 heigth of towing attachment牵引装置牵距 distance of towing attachment牵引座前置距 fifth wheel lead长度计算用牵引座前置距fifth wheel lead for calculation of length质量分配用牵引座前置距fith wheel lead for calculation of mass distribution牵引座结合面高度 height of coupling face牵引装置至车辆前端的距离distance between towing device and front end of towing vehicle牵引叉销至车辆前端的距离distance between jaw and front end of towing vehicle半挂车间隙半径 rear tractor clearance radius of semi-trailer 半挂车前回转半径 front fitting radius of semi trailer车轮垂直行程 vertical clearance of wheel车轮提升高度 lift of wheel转弯半径 turning circle静止半径 static radius碰撞 collision (crash,impact)正碰撞 frontal collision (frontal impact)侧碰撞 side collision (side impact)后碰撞 rear collision (rear impact)擦碰撞 sidewipe collision碰撞方向 collision direction碰撞角度 collision angle倾斜的 oblique(tilt)成角度的 angled纵向的 longitudinal垂直的 perpendicular对中 centered偏置 offset重叠 overlap碰撞轴线排列 collision axis alignment纯正撞 pure frontal impact碰撞位置 impact location碰撞角度 impact angle主要力 principal force主要力方向 direction of principal force(pdof)交通事故 traffic accident事故原因 accident cause单原因事故 single event accident多原因事故 multiple event accident单车事故 single vehicle accident多车事故 multi vehicle accident死亡和重伤事故 fatal and seevere accidenet折头 jack-knife翻车 rollover火灾 fire驶离道路 run off the roadway变形 deformation撞车地点 crash site试验场 proving ground试验场地 testing site撞车模拟装置 crash simulation test set-up汽车模拟碰撞滑车试验装置 auto crash simulation test sled 壁障 barrier胶合板 plywood五轮仪法 fifth wheel method第五轮仪 fifth wheel method光电屏障 photoelectric barrier发射器 transmitter接受器 receiver传感器 sensor振荡器 oscillator数字计时器 digital chronometer电磁束栏障 eelctromagnetic beam barrier单轴加速度计 uniaxial accelerometer三轴加速度计 triaxial accelerometer速度测量典型方法 typical methods of velocity measurement 多普勒效应法 doppler effect method运动波 wave in motion视在频率 apparent frequency发射波频率 emitted frequency环境介质 ambient medium电磁波 electromagnetic vaves超短波（厘米波） centimetric waves微波 micrometirc waves激光 laser模拟/数字（a/d）转换器analog/digital converter(a/d converter)模拟磁带记录器 analogue magnetic recorder数字式磁带记录器 digital magnetic recorder纸带记录器 paper tape recorder数据处理 data processing滤波 filtering数字化 digitalisation取样频率 sampling frequencies幅值分辨率 amplitude resolution光学数据通道 optical data channel失真指数 distortion index分析系统 analysis system扫描时基系统 time-base ssytem显象率 imaging rate试验标靶 test target电影摄影法 cinematographic procedure高速电影摄影 high speed cinematorgrphy高速摄影机 high speed camera胶片分析仪 film analysis system胶片颗粒 grain of the film摄影机 camera长焦距镜头 long focal lengh lenses摄像标志 photographic marks车载摄像机 on-board camera假人 dummy混合型假人 hybrid dummy仿真度 biofidelityhyge滑车架 hyge sled fixture滑车 sled座椅 deceleration sled刚性座椅 rigid seat座椅调节器 seat adjuster上部躯体 upper torso骨盆 pelvis臀部 hip带约束系统 belt restraint ssytem斜挎肩带 shoulder belt (diagonal belt) 腰带 lap belt叉状带 harness belt水平胸带 horizontal chest belt三点式安全带 three-point belt座椅安全带 seat belt液力吸能装置 hydraulic energy absorber 前后轴 anterior -posterior axis头部重心加速度 head c.g.acceleration 头部重心运动轨迹 headc.g. trajectory头部旋转 head rotation头部扭曲 headflexion头部扭转 head twist头部伤害指数 head injury criteria (hic)生物力学响应 biomechanical response颈部侧弯试验 lateral neck bending test高g值尸体试验 high g-level cadaver test初始速度 rate of onset包容线 envelop尸体下落试验 cadaver drop test尸体滑车试验 cadaver sled test尸体碰撞试验 cadaver impact test坚硬表面 rigid surface缓冲表面 padded surface冲量 impulsesae100和180滤波通道 sae channel class 100 and 180 filter 摆式碰撞器 pendulum impactor频率级通道 channel frequency classes充气约束系统 inflatable restraint system(irs)辅助充气约束系统 supplemental inflatable restraint(sir)辅助约束系统 supplemental restraint system(srs)空气垫约束系统 air cushion restraint system(acrs)气囊 airbag碰撞传感器 crash sensor电子碰撞传感器 electronic crash sensor主传感器 primary sensor安全传感器 safety sensor二级传感器 secondary sensor临界点 threshold电子器件 eelctronic pieces电容器 capacitor诊断组件 diagnostic module准备就绪指示器 readiness indicator存储器 recorder短路夹 shorting clip警告指示器 warning indicator气体发生器总成 inflator assembly点火系 inflator assembly助燃剂/增强剂 booster /enhancer点火器 igniter引爆剂 ignition material引爆器 initiator电爆管 squib导火索 transfer cord气体发生剂 gas generant冷却剂 coolant药片 pellet(pill,tablet)金属件 metal piece金属盒 canister /catridge增压器 diffuser (inflator)过滤器总成 filter assembly屏蔽室 screen chamber组件总成 module assembly囊 bag囊加强带 bag tethers垫 cushion内罩 inner cover膝气囊 knee bag保护罩/外罩 protective cover/outer cover 胸气囊 torso bag多孔性 porosity排气孔 vent膝垫 knee bolster膝挡板 knee bar膝缓冲器 knee bumper试验方法 test method老化试验 aging test火烧试验 bonfire test爆破试验 burst test坠落试验 drop test电磁干扰试验 electromagnetic interference( 环境模拟试验 environmental simulation test 气体成分试验 gas composition test湿度试验 humidity test微粒成分检验 particulate compostion test 箱内试验 tank test温度负荷试验 temperature load test视野 vision field (visibility)眼椭圆 eyellipse驾驶员视野范围 vision field of driver视线 sight line眼椭圆样板 eyellipse template眼椭圆中心 eyellipse center眼椭圆定位线 eyellipse locating line坐标系 coordination system(axissystem)视觉 vision视平面 sight plane视野 vision field直接视野 direct vesion field间接视野 indirect vision field单眼视野 monocular vision field双眼视野 binocular vision field两单眼视野 ambinocular vision field周边视野 peripheral vision field双眼障碍 binocular obstructiona 立柱 a-pillar座椅基准点 seating reference point (sgrp)有效瞳孔距 effective interpupillary width视野原点 original points of vision field颈部转动中心点（p点） neck pivot point (p point)仪表参考平面 reference plane of instrument panel显示表面 display surface转向盘轮缘盲区 steering wheel rim obstruction转向盘毂及辐条盲区 steering hub and spoke obstruction 派生v点和p点 developing v points and p points汽车视野障碍 vehicle visural obstruction视点（v点） vision point ( v points)眼点（e点） eye point (e point0眼睛投影点 projected eye point上视角 upward angle of visibility下视角 downwards angle of visibility电磁环境 electromagnetic environment电磁环境兼容性 electromagnetic compatibility(emc)电磁敏感度 electromagnetic susceptibility(ems)电磁干扰 electromagnetic interference电磁骚扰（现象） electromagnetic distrubance（电磁）发射 (eelctromagnetic )emission窄带（电磁）发射 narrowband emission宽带（电磁）发射 broadband emission带外发射 out of band emission电磁辐射 electromagnetic radiation横向电磁波模式 transverse electromagnetic (tem)mode干扰源 distrubance source信号源 signal source无用信号 undesired signal干扰信号 interfering signal无线电环境 radio environment射频骚扰 radio environment射频干扰 radio frequency interference(rfi) 系统间干扰 inter-system interference系统内干扰 intra-system interference电磁噪声 electromagnetic environment 射频噪声 radio frequency noise自然噪声 natural noise人为噪声 man-made noise随机噪声 random noise静电放电 electrostatic discharge(esd)脉冲 pulse冲激脉冲 impulse尖峰脉冲 spike群脉冲 burst of pulses脉冲噪声 impulsive noise脉冲骚扰 impulsive distrubance脉动 pulsating基波（分量） fundamental (component) 谐波（分量） harmonic (component)电源骚扰 mains-borne distrubance磁场 field均质磁场 homogenous field磁场强度 field strength敏感度阈值 susceptibility thresholds电流注入 bulk current injection (bci)。
汽车专业英语课件Unit 2 Automobile Basics
➢ Words Building
Task III. Match the following English terms with the equivalent Chinese
items.
A Байду номын сангаас--front and rear suspensions 1. ( )左右后侧围板，简称车身板
B --- rear axles
D. Yes, you can.
2. A. Don’t worry about it.
B. Why not.
C. Here you are.
D. Of course, please.
3. A. No, you needn’t.
B. No, you can’t.
C. I can’t believe it.
6
➢ Words Building Task I. Choose the best answer from the four choices A, B, C and D. ( ) 1. These streams of functionality can ________into vertical slices of the application. A. be divided B. divide C. to divided D. divided ( ) 2. The American young are well-meaning but misguided, and must not themselves be taken _______guides A. for B. with C. as D. to ( ) 3. Regardless of the type of business you own, your work will be composed ____ ___those three items. A. as B. of C. with D. for ( ) 4. The scientists are still working on ___ ____ new methods of reaching outer space. A. invention B. inventor C. invent D. inventing ( ) 5. To my ________, no researchers have come close to doing this. A. know B. knowing C. known D. knowledge
汽车专业英语第二章02-air induction systmtem
further reduce noise, some systems have a tuning venturi
inside the housing.
See fig.2-2. The shape and size of the tuning venture
SECTION 2 Air Induction Operation and Diagnosis
2.1 Air Induction System Components The air induction system is the system that supplies clean air
to the engine and controls the flow of air through the engine. See fie.2-1.
空气滤纸，也称为空气滤芯或过滤介质，必须足够坚 固以防撕裂。
如果发动机通过进气系统回火，过滤器必须是阻燃的。 为防止灰尘在过滤器周围传播，过滤器必须紧紧密封 在空气过滤器外壳上。
The air passing from the filter housing, around the
throttle plate, and into the engine creates noise.
Airflow n. 气流；空气的流动 Density n. 密度
Manifold Absolute Pressure (MAP)Sensor 歧管绝对压力(MAP)传感器 intake air temperature (IAT) sensor 进气温度传感器
engine coolant temperature (ECT) sensor 发动机冷却剂温度(ECT)传感器 mass airflow (MAF) sensor 空气流量(MAF)传感器 vacuum n. 真空；空间；真空吸尘器adj. 真空的；利用真空的 barometric pressure气压 fuel economy 燃油经济性
电子课件-《汽车专业英语(第二版)》-B24-1273 Unit 7
Fig 7.1 Exhaust AnalyzerPart 1 Text
Multifunction automotive scanner can not only gather and analyze the information on a running car, search for the source of the problems, but also be used as an oscilloscope . At the same time all results are displayed on the screen. If it is connected with a computer, its performance can get better.
An automotive stethoscope , or soundscope, aids in locating the source of engine knocks and noises by amplifying the sound waves. The value of the sounddetecting is to help the technician distinguish the difference between normal and abnormal sounds and to find the location and cause of the latter.
Fig 7.2
Digital Battery Analyzer
True or false?
• （1）A technician can do his work without efficient equipment.( )
• （2）Soundscope cannot find the source of the problems by checking automobile. ( )
汽车专业英语_2_AUTOMOTIVE ENGINE讲解
Internal combustion
内燃机作为汽车.拖拉 机.摩托车.工程机械. 船舶.航空.农业.林业. 军队.等各行各业的动 力装置，应用极为广 泛，
Chapter 2 AUTOMOTIVE ENGINE
New Words
longitudinal [lɔndʒiˈtju:dinl] adj. 纵向的，经度的 transverse [trænsˈvɜ:s] adj. 横向的，横断的 reciprocate [rɪˈn] v. 旋转；n．旋转 piston [ˈpistən] n. 活塞 ignite [iɡˈnait] v. 点火，点燃 rub [rʌb] v. 摩擦，擦 quart [kwɔ:t] n. 夸脱(容量单位) reservoir [ˈrezəvwɑ:] n. 油箱 mechanical [miˈkænikəl] adj. 机械的，机械制的，机械似的，呆 板的 enclosed [inˈkləuzd] adj. 被附上的 gallon [ˈɡælən] n. 加仑 stroke [strəuk] n. 冲程，行程
译文：汽车发动机的功用是汽车行驶提供必需的 动力。发动机通过它内部的燃料燃烧来产生动力。 由于发动机在其内部燃烧燃料，所以发动机被称 作内燃机。
Engines may be fueled by gasoline, propane （ LPG-liquefied petroleum gas） , or diesel fuel. Compressed natural gas （CNG） may also be used in some vehicles.
Chapter 2 AUTOMOTIVE ENGINE
PHRASES AND EXPRESSIONS
汽车专业英语2版参考译文-20180227-9
第9章维修手册阅读** Diagnostic Procedure of Engine Computer Systems发动机计算机控制系统故障诊断程序所有的汽车维修技师都知道如何诊断和排除发动机计算机系统故障时很重要的。
诊断的过程是排除已知完好的部件或系统从而找出发动机电子控制系统故障的根本原因的过程。
所有的汽车制造厂家都提出一种诊断程序，而这里所提出的诊断策略将这样的一些诊断程序的大部分特征加以综合，并增加了多年来实际故障排除中所采用的一些步骤。
第1步：确认故障（怀疑）诊断前，花一点时间，查明故障是否存在。
如果故障不能得到确认，此故障便不可能得到排除和检测，也就无法证明已经修好。
车辆的驾驶员对车辆状况以及车辆的驾驶方式了如指掌。
诊断前，应总是向驾驶员提问下列问题：·故障指示灯（CHECK ENGINE）点亮过吗？·出现故障时，车外温度多高？·出现故障时，发动机是热车还是冷车？·故障发生在起动、加速、巡航期间，还是其他什么条件下？·汽车已经行驶多少公里？·仪表板上有警告灯点亮吗？是哪个（或那些）灯点亮？·最近维护或修理过汽车吗？第2步：进行彻底的目视检查和基本检查目视检查是故障诊断的最重要内容之一。
多数专家认为，发动机电子控制系统故障中有10%~30%仅仅经过彻底的目视检查便可发现。
目视检查应包括下列内容：·检查是否存在显而易见的故障，如燃油泄漏、真空管断裂或连接脱落，接头腐蚀等。
·检查应该工作和不应该工作的每个东西，观察是否工作不良。
·查看有无以前修理的痕迹。
只要动过车辆，总是存在装错、未装或忘记连接的可能。
·检查机油油位和机油状况。
·检查冷却液液位和冷却液状况。
·完成纸片试验。
发动机怠速运转，将一张纸保持在离排气管尾管1英寸之内的距离上。
如果有时纸片被吸向排气管，表明一只或几只气缸的气门可能被烧蚀。
汽车专业英语 车身电气系统 第2讲 Air Conditioning System(空调系统)
In recent years R-134a (CH2F-CF3) is widely used as
refrigerant instead of R-12 in air conditioning
system. It has more advantages than R-12.It does not deplete the ozone layer which helps to protect us from the ultraviolet from the sun, and its evaporative temperature is higher than that of R-12.
interior 内部的
dehumidify 除湿
compressor 压缩机
condenser 冷凝器
receiver 贮液干燥器
evaporator 蒸发器
expansion valve
膨胀阀 amplifier
放大器
Fig. 3-2-1 Air Conditioning System Electrical Control Parts Location （空调系统电控部件位置图）
消散
cooling unit, its temperature and pressure come down.
Fig. 3-2-2 The Cooling Process of the Air Condition （空调系统制冷过程）
1- compressor （压缩机）2- low-pressure side （低压侧）3- high-pressure side （高压侧） 4- expansion valve（膨胀阀）5- cooled fresh air （冷却后 的新鲜空气）6- evaporator （蒸发器）7- warm fresh air （冷却前的热新鲜
汽车专业英语2
Fig.1.4-13 Timing Gears and the Important Words
manifold retainer cam gallery pivot rotation
mechanism lifter hydraulic clearance lobe idler
Sensors, ECU and Injectors
New Words
combustible sensor contaminant impurity electromagnet diaphragm load solenoid
emission pulsation maximum strainer plunger ratio oxygen circuit
ACL ECM RPM ECU MAP
Assign the Homework
Recite the professional words,phases and abbreviations of the EFI.
Main Components in the Air Induction System
♣ air cleaner ♣ air flow meter ♣ throttle valve ♣ air intake chamber ♣ intake manifold runner ♣ intake valve
Phrases and Expressions
fuel delivery system
air induction system
electronic control system throttle valve
intake manifold runner
air intake chamber
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UNIT 2 AUTOMOTIVE ENGINE
3 . Basic Engine Systems
A spark-ignition engine requires four basic systems to run. Diesel engines require three of these systems.
There are two types of piston engines-spark ignition (SI) and compression ignition (CI) .
Spark-ignition engines use an electric ignition system with spark plugs. Electric sparks at the spark plugs ignite, or set fire, the fuel in the engine cylinders.
UNIT 2 AUTOMOTIVE ENGINE
3 . 3 Lubricating system
The lubricating system has an oil pan at the bottom of the engine which holds several quarts [liters] of oil.
This is called a mid-engine arrangement. Other cars have been built with the engine mounted at
the rear, in back of rear seat. The Volkswagen“ beetle” is an example of rear.
A movable piston in the cylinder is forced down by the expanding gases of combustion.
UNIT 2 AUTOMOTIVE ENGINE
In the rear-wheel-drive arrangement, the engine sits longitudinally. Its long dimension is from front to back.
UNIT 2 AUTOMOTIVE ENGINE
Some cars have the engine mounted in back of the front seat.
An oil pump, driven by the engine, sends oil from this reservoir through the engine.
After circulating through the engine, the oil drops back down into the oil pan.
• Each cylinder is repeatedly filled with the mixture. Then, the mixture is ignited and burned, producing high pressure.
• The high pressure makes the pistons move (or rotors spin) .
UNIT 2 AUTOMOTIVE ENGINE
2 . Engine Types
Various kinds of engines are used in automotive vehicles. The two major types are:
(a) The piston engine in which pistons move up and down, or reciprocate, in the engine cylinders. This is the engine used in all cars today, except for some models of Mazda.
(b) The Wankel rotary engine in which rotors rotate, or spin. The Mazda Motor Corporation of Japan is the major manufacturer of this engine.
UNIT 2 AUTOMOTIVE ENGINE
• This turns shafts that rotate the wheels, causing the vehicle to move.
UNIT 2 AUTOMOTIVE ENGINE
3 . 2 Ignition system
Every time the fuel system delivers air / fuel mixture to a cylinder, the ignition system follows up by delivering an electric spark.
UNIT 2 AUTOMOTIVE ENGINE
3 . 1 Fuel system
• The fuel system supplies gasoline or diesel fuel to the engine.
• This fuel is mixed with air to make a combustible mixture (a mixture that will burn) .
1. Purpose and Locations of Enginபைடு நூலகம்s
2. Engine Types 3. Basic Engine Systems
4. Enemy Conversion 5. Four-Stroke-Cycle Gasoline Engine
Operation
UNIT 2 AUTOMOTIVE ENGINE
This ignites the mixture which creates the high pressure that moves the pistons and turns the car wheels.
The ignition system takes the low voltage of the battery and builds it up to a very high voltage: as high as 47, 000 volts in some systems.
Because the engine burns fuel inside, or internally, the engine is known as an internal combustion engine ( ICE)
UNIT 2 AUTOMOTIVE ENGINE
Most automotive engines are located at the front of the vehicle.
The compression-ignition engine uses the heat of compression to ignite the fuel. When air is compressed, it gets very hot. The diesel fuel is sprayed into this very hot air and is ignited by the heat.
The exhaust system reduces the noise of the burned gases leaving the engine cylinders and carries these exhaust gases safely away from the people in the car.
The internal combustion engine is a device used to convert the chemical energy of the fuel (gasoline or diesel fuel) into heat energy, and then to convert this heat energy into usable mechanical energy.
1 . Purpose and Locations of Engines
The purpose of an automotive engine is to supply the power needed to move the vehicle.
The engine produces this power by burning fuel inside it.
UNIT 2 AUTOMOTIVE ENGINE
3 . 5 Other engine systems
An engine will run with the four basic systems described above—fuel, ignition, lubricating, and cooling.
➢ After the hot oil drops down into the oil pan, the oil gives up some of this heat to the air passing under the oil pan.
➢ The rest of the heat is removed by the cooling system.
A battery provides the electric power to operate the starting motor and the ignition system during cranking.
UNIT 2 AUTOMOTIVE ENGINE
4 . Energy Conversion
The oil pump continues to circulate the oil as long as the engine is running.