F02D

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CONTROLLING COMBUSTION ENGINES (vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed B60K 31/00; conjoint control of vehicle sub-units of different type or different function, road vehicle drive control systems for purposes other than the control of a single sub-unit B60W; cyclically operating valves for combustion engines F01L; controlling combustion engine lubrication F01M; cooling internal-combustion engines F01P; supplying combustion engines with combustible mixtures or constituents thereof, e.g. carburettors, injection pumps, F02M; starting of combustion engines F02N; controlling of ignition F02P; controlling gas-turbine plants, jet-propulsion plants, or combustion- product engine plants, see the relevant subclasses for these plants)

Subclasses

SubclassTitle
1/00 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence)
1/02 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered
1/04 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by mechanical means dependent on engine speed, e.g. using centrifugal governors (F02D 1/08 takes precedence)
1/06 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered by means dependent on pressure of engine working fluid (F02D 1/08 takes precedence)
1/08 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered Transmission of control impulse to pump control, e.g. with power drive or power assistance
1/10 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered Transmission of control impulse to pump control, e.g. with power drive or power assistance mechanical
1/12 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered Transmission of control impulse to pump control, e.g. with power drive or power assistance non-mechanical, e.g. hydraulic
1/14 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) not restricted to adjustment of injection timing, e.g. varying amount of fuel delivered Transmission of control impulse to pump control, e.g. with power drive or power assistance non-mechanical, e.g. hydraulic pneumatic
1/16 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) Adjustment of injection timing (F02D 1/02 takes precedence)
1/18 Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) Adjustment of injection timing (F02D 1/02 takes precedence) with non-mechanical means for transmitting control impulse; with amplification of control impulse
3/00 Controlling low-pressure fuel injection, i.e. where the air-fuel mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump (carburettors F02M)
3/02 Controlling low-pressure fuel injection, i.e. where the air-fuel mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump (carburettors F02M) with continuous injection or continuous flow upstream of the injection nozzle
3/04 Controlling low-pressure fuel injection, i.e. where the air-fuel mixture containing fuel thus injected will be substantially compressed by the compression stroke of the engine, by means other than controlling only an injection pump (carburettors F02M) Controlling fuel injection and carburation, e.g. of alternative systems
7/00 Other non-electrical fuel injection control
7/02 Other non-electrical fuel injection control Controlling fuel injection where fuel is injected by compressed air
9/00 Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
9/02 Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits (throttle valves, or arrangements thereof in conduits F02D 9/08)
9/04 Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits (throttle valves, or arrangements thereof in conduits F02D 9/08)
9/06 Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning exhaust conduits (throttle valves, or arrangements thereof in conduits F02D 9/08) Exhaust brakes
9/08 Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits Throttle valves specially adapted therefor; Arrangements of such valves in conduits (throttle valves modified for use in, or arranged in, carburettors F02M; throttle valves in general F16K)

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