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)
reactor缩写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)
KPI      King-pin inclination (steering)
LGV    Large goods vehicle
LI      Load index (tyres)
LS      Leading shoe (drum brakes)
MAF    Mass air flow (engines)
MAP    Manifold absolute pressure
MOFT  Minimum oil film thickness
MON    Motor octane number (more demanding ON test)
MPI    Multi-point injection
MPV    Multi-purpose vehicle (people carrier)
NOx      Nitrogen oxides (emission control)
NVH    Noise, vibration and harshness (vehicle refinement testing)
OBD    On-board diagnosis

版权声明：本站内容均来自互联网，仅供演示用，请勿用于商业和其他非法用途。如果侵犯了您的权益请与我们联系QQ:729038198，我们将在24小时内删除。