汽车专业词汇英文缩写

Automotive technical abbreviations

ABS Anti-blockier system (German) - anti-lock braking system

ABDC After bottom dead centre (engine timing)

A/C Air conditioning

ACL Automatic chassis lubrication (commercial vehicles)

ACT Air charge temperature

A/F Air/fuel ratio

AIR Air injection reactor (emission control)

ALB Anti-lock brakes (Honda)

ARCS Active roll control system (Citroen)

ASD Automatic slip-control differential

ASF Audi space frame (aluminium body construction)

ASR Antriebs-schulpf-regelung (German) -anti-slip regulation or traction control syster

ATC Automatic temperature control

ATDC After top dead centre (engine timing)

ATF Automatic transmission fluid

AWD All-wheel drive (also 4WD)

AWS All-wheel steering (also 4WS)

BBDC Before bottom dead centre (engine timing)

BDC Bottom dead centre (engine timing)

BHP Brake horsepower

BMEP Brake mean effective pressure

BOFT Bearing oil film thickness

BSFC Brake specific fuel consumption

BTDC Before top dead centre (engine timing)

CAD Computer aided design

CAFE Corporate average fuel economy (American)

CAG Computer aided gearshift (Scania)

CB Contact breaker

CBE Cab behind engine (commercial vehicles)

Cd Coefficient of drag (vehicle aerodynamics)

CD Capacity discharge (ignition system)

CFC Chlorofluorocarbon (refrigerant)

CI Compression ignition (diesel engines)

CO Carbon monoxide (emission control)

CO2 Carbon dioxide (global warming)

COE Cab over engine (commercial vehicles)

CP Centre of pressure (vehicle aerodynamics)

CR Compression ratio (engine)

CTX Continuously variable transaxle (Ford)

CV Constant velocity (universal joints)

CVT Continuously variable transmission

Cw Coefficient of drag (German) - vehicle aerodynamics

Cx Coefficient of drag (French) - vehicle aerodynamics

DERV Diesel engine road vehicles (fuel)

DI Direct injection

DIS Direct ignition system (no distributor)

DOHC Double overhead camshafts

EBS Electronic braking system (air brakes)

ECI Electronically controlled injection

ECM Electronic control module

ECS Evaporative control system (fuel system) Electronically controlled suspension

ECT Engine coolant temperature

ECU Electronic control unit

EDC Electronic diesel control

EFI Electronic fuel injection

EGR Exhaust gas recirculation (emission control)

EMS Engine management system

EP Extreme pressure (lubricants)

EPAS Electrical power-assisted steering (NSK-RHP)

EPHS Electrically powered hydraulic steering (TRW Steering Systems)

EPS Electric power steering (EPAS)

EUI Electronic unit injector (Lucas Diesel)

EVC Exhaust valve closed (engine timing)

EVO Exhaust valve open (engine timing)

FHP Friction horsepower

FWD Front-wheel drive

GCW Gross combination weight (articulated vehicles)

GRP Glass reinforced plastics

GTW Gross train weight (drawbar vehicles)

GV Governor valve (automatic transmissions)

GVW Gross vehicle weight (rigid vehicles)

GWP Greenhouse warming potential (refrigerants)

HC Hydrocarbons (emission control)

HFC Hydrofluorocarbon (refrigerant)

HGV Heavy goods vehicle

HUCR Highest useful compression ratio

HVAC Heating, ventilation and air conditioning

IFS Independent front suspension

IHP Indicated horsepower

INJ Injection (timing mark)

IOE Inlet over exhaust (obsolete valve layout)

IRS Independent rear suspension

IVC Inlet valve closed (valve timing)

IVO Inlet valve open (valve timing)