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IPC entry: F02D 23/02 1-dot subgroup [Version 2024.01 (current), Language EN - English]

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Symbol		Title
A		HUMAN NECESSITIES
B		PERFORMING OPERATIONS; TRANSPORTING
C		CHEMISTRY; METALLURGY
D		TEXTILES; PAPER
E		FIXED CONSTRUCTIONS
F		MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01		ENGINES OR PUMPS
F01		MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F02		COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02B		INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G)
F02C		GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F01D; jet-propulsion plants F02K; construction of compressors or fans F04; combustion apparatus in which combustion takes place in a fluidised bed of fuel or other particles F23C 10/00; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B 11/00)
F02D		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) [4, 2006.01]
F02D 1/00		Controlling, e.g. regulating, fuel injection
F02D 1/00		Controlling fuel-injection pumps, e.g. of high-pressure injection type (F02D 3/00 takes precedence) [1, 2, 2006.01]
F02D 3/00		Controlling low-pressure fuel injection, i.e. where the fuel-air 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 [1, 2, 2006.01]
F02D 7/00		Other non-electrical fuel injection control [1, 4, 2006.01]
F02D 9/00
F02D 9/00		Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits [1, 2006.01]
F02D 11/00		Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated (specially for reversing F02D 27/00) [1, 2, 5, 2006.01]
F02D 13/00		Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing [1, 2006.01]
F02D 15/00		Varying compression ratio [1, 2006.01]
F02D 17/00		Controlling engines by cutting-out individual cylinders; Rendering engines inoperative or idling (controlling or rendering inoperative by varying inlet or exhaust valve operating characteristics F02D 13/00) [1, 2006.01]
F02D 19/00		Controlling peculiar to specified types or adaptations of engines
F02D 19/00		Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures (the non-fuel substances being gaseous F02D 21/00) [1, 2006.01]
F02D 21/00		Controlling engines characterised by their being supplied with non-airborne oxygen or other non-fuel gas [1, 2006.01]
F02D 23/00		Controlling engines characterised by their being supercharged [1, 2006.01]
F02D 23/02		. the engines being of fuel-injection type [1, 2006.01]
F02D 25/00		Controlling two or more co-operating engines [1, 2006.01]
F02D 27/00		Controlling engines characterised by their being reversible [1, 2006.01]
F02D 28/00		Programme-control of engines [2, 2006.01]
F02D 29/00		Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto [1, 2, 2006.01]
F02D 31/00		Other non-electrical control of combustion engines [4]
F02D 31/00		Use of non-electrical speed-sensing governors to control combustion engines, not otherwise provided for [1, 2006.01]
F02D 33/00		Non-electrical control of delivery of fuel or combustion-air, not otherwise provided for [1, 2006.01]
F02D 35/00		Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for [1, 2006.01]
F02D 37/00		Non-electrical conjoint control of two or more functions of engines, not otherwise provided for [1, 2006.01]
F02D 39/00		Other non-electrical control [1, 4, 2006.01]
F02D 41/00		Electrical control of combustion engines [4]
F02D 41/00		Electrical control of supply of combustible mixture or its constituents (F02D 43/00 takes precedence) [4, 2006.01]
F02D 43/00		Conjoint electrical control of two or more functions, e.g. ignition, fuel-air mixture, recirculation, supercharging or exhaust-gas treatment [4, 2006.01]
F02D 45/00		Electrical control not provided for in groups F02D 41/00-F02D 43/00 [4, 2006.01]
F02F		CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES [2]
F02G		HOT-GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS (steam engine plants, special vapour plants, plants operating on either hot gas or combustion-product gases together with other fluid F01K; gas-turbine plants F02C; jet-propulsion plants F02K); USE OF WASTE HEAT OF COMBUSTION ENGINES, NOT OTHERWISE PROVIDED FOR
F02K		JET-PROPULSION PLANTS (arrangement or mounting of jet-propulsion plants in land vehicles or vehicles in general B60K; arrangement or mounting of jet-propulsion plants in waterborne vessels B63H; controlling aircraft attitude, flight direction or altitude by jet reaction B64C 15/00, B64U 50/10; arrangement or mounting of jet-propulsion plants in aircraft B64D 27/00, B64U 50/10; plants characterised by the power of the working fluid being divided between jet propulsion and another form of propulsion, e.g. propeller, F02B, F02C; features of jet-propulsion plants common to gas-turbine plants, air intakes or fuel supply control of air-breathing jet-propulsion plants F02C)
F02M		SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02N		STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
F02P		IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES (specially adapted for rotary-piston or oscillating-piston engines F02B 53/12; ignition of combustion apparatus in general, glowing plugs F23Q; measuring of physical variables in general G01; controlling in general G05; data processing in general G06; electrical components in general, see section H; sparking plugs H01T)
F03		MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04		POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F15		ENGINEERING IN GENERAL
F15		FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F16		ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F17		STORING OR DISTRIBUTING GASES OR LIQUIDS
F21		LIGHTING; HEATING
F21		LIGHTING
F22		STEAM GENERATION
F23		COMBUSTION APPARATUS; COMBUSTION PROCESSES
F24		HEATING; RANGES; VENTILATING
F25		REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
F26		DRYING
F27		FURNACES; KILNS, OVENS OR RETORTS [4]
F28		HEAT EXCHANGE IN GENERAL
F41		WEAPONS; BLASTING
F41		WEAPONS
F42		AMMUNITION; BLASTING
F99		SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
G		PHYSICS
H		ELECTRICITY

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