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IPC-Stelle: F02B 33/44 1-Punkt Untergruppe [Version 7 (gültig ab 01.2000), Sprache EN - English]

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Symbol		Titel
A Hierarchieinformationen		HUMAN NECESSITIES
B Hierarchieinformationen		PERFORMING OPERATIONS; TRANSPORTING
C Hierarchieinformationen		CHEMISTRY; METALLURGY
D Hierarchieinformationen		TEXTILES; PAPER
E Hierarchieinformationen		FIXED CONSTRUCTIONS
F Hierarchieinformationen		MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01 Hierarchieinformationen		ENGINES OR PUMPS
F01 Hierarchieinformationen		MACHINES OR ENGINES IN GENERAL (combustion engines F02; machines for liquids F03 , F04); ENGINE PLANTS IN GENERAL; STEAM ENGINES
F02 Hierarchieinformationen		COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F01); HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02B Hierarchieinformationen		INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (internal-combustion turbines F02C; plants in which engines use combustion products F02C , F02G)
F02B 1/00		Engines characterised by the working fluid to be compressed, or characterised by the type of ignition (with both fuel-air mixture compression and air compression, or with both positive ignition and compression ignition F02B 11/00; with precombustion chambers F02B 19/00; having air-storage chambers F02B 21/00; with special shape or construction of other combustion chambers F02B 23/00)
F02B 1/00 Hierarchieinformationen		Engines with fuel-air mixture compression
F02B 3/00 Hierarchieinformationen		Engines with air compression and subsequent fuel addition
F02B 5/00 Hierarchieinformationen		Engines with positive ignition (F02B 1/02 , F02B 3/02 take precedence; with non-timed positive ignition F02B 9/06)
F02B 7/00 Hierarchieinformationen		Engines with fuel-air charge ignited by compression ignition of an additional fuel (with pre-combustion chambers F02B 19/00)
F02B 9/00 Hierarchieinformationen		Engines characterised by other types of ignition
F02B 11/00 Hierarchieinformationen		Engines with both fuel-air mixture compression and air compression, or with both positive ignition and compression ignition, e.g. in different cylinders
F02B 13/00		Engines characterised by the method of introducing fuel into cylinders (characterised by use of gaseous or solid fuels F02B 43/00 , F02B 45/00; carburettors, fuel-injection apparatus F02M)
F02B 13/00 Hierarchieinformationen		Engines with introduction of fuel into cylinders by use of auxiliary fluid
F02B 15/00 Hierarchieinformationen		Engines characterised by method of introducing fuel into cylinders and not otherwise provided for
F02B 17/00
F02B 17/00 Hierarchieinformationen		Engines characterised by means for effecting stratification of charge in cylinders
F02B 19/00		Engines characterised by having precombustion chambers or air-storage chambers, or characterised by shape or construction of combustion chambers to improve operation (engines with incandescent chambers F02B 9/08)
F02B 19/00 Hierarchieinformationen		Engines with precombustion chambers
F02B 21/00 Hierarchieinformationen		Engines having air-storage chambers
F02B 23/00 Hierarchieinformationen		Other engines having special shape or construction of combustion chambers to improve operation
F02B 25/00		Engines characterised by provisions for charging or scavenging (aspects concerned with driven charging or scavenging pumps F02B 33/00 to F02B 39/00)
F02B 25/00 Hierarchieinformationen		Engines using fresh charge for scavenging cylinders
F02B 27/00 Hierarchieinformationen		Use of kinetic or wave energy of charge in induction systems, or of combustion residues in exhaust systems, for improving quantity of charge or for increasing removal of combustion residues (use of driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge F02B 33/42)
F02B 29/00 Hierarchieinformationen		Engines characterised by other provisions for charging or scavenging; Details not provided for in, or of interest apart from, groups F02B 25/00 and F02B 27/00
F02B 31/00
F02B 31/00 Hierarchieinformationen		Modifying induction systems for imparting a rotation to the charge in the cylinder (structural features of induction systems F02M)
F02B 33/00		Engines characterised by provision of driven charging or scavenging pumps (introducing fuel into cylinders by air pressure F02B 13/00; after-charging F02B 29/06; arrangements of such pumps or other auxiliary apparatus on engines F02B 67/00; combined engine and pump control, control dependent on variables other than those generic to pump F02D)
F02B 33/00 Hierarchieinformationen		Engines with pumps for charging or scavenging (with pumps for sucking combustion residues from cylinders F02B 35/00; with exhaust-driven pumps F02B 37/00)
F02B 33/02 Hierarchieinformationen		. Engines with reciprocating-piston pumps; Engines with crankcase pumps
F02B 33/04 Hierarchieinformationen		. . with simple crankcase pumps, i.e. with the rear face of a non-stepped working piston acting as sole pumping member in co-operation with the crankcase
F02B 33/06 Hierarchieinformationen		. . with reciprocating-piston pumps other than simple crankcase pumps
F02B 33/08 Hierarchieinformationen		. . . with the working-cylinder head arranged between working and pumping cylinders
F02B 33/10 Hierarchieinformationen		. . . with the pumping cylinder situated between working cylinder and crankcase, or with the pumping cylinder surrounding working cylinder
F02B 33/12 Hierarchieinformationen		. . . . the rear face of working piston acting as pumping member and co-operating with a pumping chamber isolated from crankcase, the connecting-rod passing through the chamber and co-operating with movable isolating member
F02B 33/14 Hierarchieinformationen		. . . . working and pumping pistons forming stepped piston
F02B 33/16 Hierarchieinformationen		. . . . working and pumping pistons having differing movements
F02B 33/18 Hierarchieinformationen		. . . with crankshaft being arranged between working and pumping cylinders
F02B 33/20 Hierarchieinformationen		. . . with pumping-cylinder axis arranged at an angle to working-cylinder axis, e.g. at an angle of 90ø
F02B 33/22 Hierarchieinformationen		. . . with pumping cylinder situated at side of working cylinder, e.g. the cylinders being parallel
F02B 33/24 Hierarchieinformationen		. . with crankcase pumps other than with reciprocating pistons only
F02B 33/26 Hierarchieinformationen		. . Four-stroke engines characterised by having crankcase pumps
F02B 33/28 Hierarchieinformationen		. . Component parts, details, or accessories of crankcase pumps not provided for in, or of interest apart from, groups F02B 33/02 to F02B 33/26
F02B 33/30 Hierarchieinformationen		. . . Control of inlet or outlet ports (controlling only working-cylinder inlets F01L)
F02B 33/32 Hierarchieinformationen		. Engines with pumps other than of reciprocating-piston type (with crankcase pumps F02B 33/02)
F02B 33/34 Hierarchieinformationen		. . with rotary pumps (with cell-type pressure exchangers or the like F02B 33/42)
F02B 33/36 Hierarchieinformationen		. . . of positive-displacement type
F02B 33/38 Hierarchieinformationen		. . . . of Roots type
F02B 33/40 Hierarchieinformationen		. . . of non-positive-displacement type
F02B 33/42 Hierarchieinformationen		. . with driven apparatus for immediate conversion of combustion gas pressure into pressure of fresh charge, e.g. with cell-type pressure exchangers (pressure exchangers per se F04F 11/02)
F02B 33/44 Hierarchieinformationen		. Passages conducting the charge from the pump to the engine inlet, e.g. reservoirs (cooling of charge after leaving pump F02B 29/04)
F02B 35/00 Hierarchieinformationen		Engines with pumps for sucking combustion residues from cylinders
F02B 37/00 Hierarchieinformationen		Engines with pumps driven at least for part of the time by exhaust (passages conducting the charge from the pump to the engine inlet F02B 33/44)
F02B 39/00 Hierarchieinformationen		Component parts, details, or accessories relating to, but not provided for in, or of interest apart from, groups F02B 33/00 to F02B 37/00 (pumps in general F04; machine elements in general F16)
F02B 41/00
F02B 41/00 Hierarchieinformationen		Engines with special means for improving conversion of heat or pressure energy into mechanical power
F02B 43/00		Engines operating on non-liquid fuels; Plants including such engines, i.e. combinations of the engine with fuel-generating apparatus (engines having gas-air charge ignited by compression ignition of an additional fuel F02B 7/06; engines convertible from gas to other fuel consumption F02B 69/04; apparatus for generating fuel, e.g. gas, see the relevant classes, e.g. C10)
F02B 43/00 Hierarchieinformationen		Engines operating on gaseous fuels; Plants including such engines
F02B 45/00 Hierarchieinformationen		Engines operating on other non-liquid fuels; Plants including such engines (plants involving generation of gaseous fuel from solid fuel F02B 43/08)
F02B 47/00		Methods of operating engines involving specific pre-treating of, or adding specific substances to, combustion air, fuel, or fuel-air mixture of the engines, and not otherwise provided for (apparatus for performing such pretreatments or additions F02M)
F02B 47/00 Hierarchieinformationen		Methods of operating engines involving adding non-fuel substances or anti-knock agents to combustion air, fuel, or fuel-air mixtures of engines
F02B 49/00 Hierarchieinformationen		Methods of operating air-compressing compression-ignition engines involving introduction of small quantities of fuel in the form of a fine mist into the air in the engine's intake
F02B 51/00 Hierarchieinformationen		Other methods of operating engines involving pre-treating of, or adding substances to, combustion air, fuel, or fuel-air mixture of the engines
F02B 53/00		Internal-combustion aspects of rotary-piston or oscillating-piston engines
F02B 53/00 Hierarchieinformationen		Internal-combustion aspects of rotary-piston or oscillating-piston engines (internal-combustion aspects of rotary pistons or outer members for co-operation therewith F02B 55/00)
F02B 55/00 Hierarchieinformationen		Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
F02B 57/00		Internal-combustion aspects of reciprocating-piston engines with movable cylinders
F02B 57/00 Hierarchieinformationen		Internal-combustion aspects of rotary engines in which the combusted gases displace one or more reciprocating pistons
F02B 59/00 Hierarchieinformationen		Internal-combustion aspects of other reciprocating-piston engines with movable, e.g. oscillating, cylinders (with yieldable walls F02B 75/38)
F02B 61/00		Adaptations of engines for special use; Combinations of engines with devices other than engine parts or auxiliaries (of rotary-piston or oscillating-piston engines F02B 53/14; aspects predominantly concerning such devices, see the relevant classes for the devices)
F02B 61/00 Hierarchieinformationen		Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing (the engine torque being divided by a differential gear for driving a scavenging or charging pump and the engine output shaft F02B 39/06; arrangements in vehicles, see the relevant classes for vehicles)
F02B 63/00 Hierarchieinformationen		Adaptations of engines for driving hand-held tools, electric generators, or pumps; Portable combinations with engine-driven devices
F02B 65/00 Hierarchieinformationen		Adaptations of engines for other special use; Combinations of engines with other devices, e.g. with non-driven apparatus
F02B 67/00		Engines with pertinent characteristics other than those provided for in, or of interest apart from, preceding main groups
F02B 67/00 Hierarchieinformationen		Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
F02B 69/00 Hierarchieinformationen		Internal-combustion engines convertible into other combustion-engine type, not provided for in group F02B 11/00; Internal-combustion engines of different types characterised by constructions facilitating use of same main engine-parts in different types
F02B 71/00 Hierarchieinformationen		Free-piston engines; Engines without rotary main shaft
F02B 73/00 Hierarchieinformationen		Combinations of two or more engines, not otherwise provided for
F02B 75/00 Hierarchieinformationen		Other engines
F02B 77/00 Hierarchieinformationen		Component parts, details, or accessories, not otherwise provided for
F02B 79/00 Hierarchieinformationen		Running-in of internal-combustion engines (lubrication thereof F01M)
F02C Hierarchieinformationen		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; fluidised bed combustion apparatus F23C 10/00; generating combustion products of high pressure or high velocity F23R; using gas turbines in compression refrigeration plants F25B 11/00; using gas-turbine plants in vehicles, see the relevant vehicle classes)
F02D Hierarchieinformationen		CONTROLLING COMBUSTION ENGINES (vehicle fittings for automatically controlling vehicle speed B60K 31/00; 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) [4]
F02F Hierarchieinformationen		CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES (specially adapted for rotary-piston or oscillating-piston internal-combustion engines F02B; specially adapted for gas-turbine plants F02C; specially adapted for jet-propulsion plants F02K) [2]
F02G Hierarchieinformationen		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 Hierarchieinformationen		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; arrangement or mounting of jet-propulsion plants in aircraft B64D; 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 Hierarchieinformationen		SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF (charging such engines F02B)
F02N Hierarchieinformationen		STARTING OF COMBUSTION ENGINES (starting of free-piston combustion-engines F02B 71/02; starting of gas-turbine plants F02C 7/26); STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
F02P Hierarchieinformationen		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 Hierarchieinformationen		MACHINES OR ENGINES FOR LIQUIDS (for liquids and elastic fluids F01; positive-displacement machines for liquids F04); WIND, SPRING, WEIGHT, OR MISCELLANEOUS MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04 Hierarchieinformationen		POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS (portable fire extinguishers with manually-operated pumps A62C 11/00 , with power-driven pumps A62C 25/00; charging or scavenging combustion engines by pumps F02B; engine fuel-injection pumps F02M; ion pumps H01J 41/12; electrodynamic pumps H02K 44/02)
F15 Hierarchieinformationen		ENGINEERING IN GENERAL
F15 Hierarchieinformationen		FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F16 Hierarchieinformationen		ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F17 Hierarchieinformationen		STORING OR DISTRIBUTING GASES OR LIQUIDS (water supply E03B)
F21 Hierarchieinformationen		LIGHTING; HEATING
F21 Hierarchieinformationen		LIGHTING (electric aspects or elements, see section H, e.g. electric light sources H01J , H01K , H05B)
F22 Hierarchieinformationen		STEAM GENERATION (chemical or physical apparatus for generating gases B01J; chemical generation of gas, e.g. under pressure, Section C; removal of combustion products or residues, e.g. cleaning of the combustion contaminated surfaces of tubes of boilers, F23J; generating combustion products of high pressure or high velocity F23R; water heaters not for steam generation F24H , F28; cleaning of internal or external surfaces of heat-transfer conduits, e.g. water tubes of boilers, F28G)
F23 Hierarchieinformationen		COMBUSTION APPARATUS; COMBUSTION PROCESSES
F24 Hierarchieinformationen		HEATING; RANGES; VENTILATING (protecting plants by heating in gardens, orchards, or forests A01G 13/06; baking ovens and apparatus A21B; cooking devices other than ranges A47J; forging B21J , B21K; specially adapted for vehicles, see the relevant subclasses of classes B60 to B64; combustion apparatus in general F23; drying F26B; ovens in general F27; electric heating elements or arrangements H05B)
F25 Hierarchieinformationen		REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
F26 Hierarchieinformationen		DRYING
F27 Hierarchieinformationen		FURNACES; KILNS; OVENS; RETORTS (specially adapted for a purpose covered by a single other class and specifically mentioned in that class, see the class in question, e.g. bakery ovens A21B , glass melting furnaces C03B , coke or gas-making apparatus C10B , C10J , apparatus for cracking hydrocarbons C10G , blast furnaces C21B , converters for making steel C21C , furnaces for heat treatment of metal C21D; furnaces for electroslag or arc remelting of metals C22B 9/00; enamelling ovens C23D; combustion apparatus F23; electric heating H05B) [4]
F28 Hierarchieinformationen		HEAT EXCHANGE IN GENERAL (heat-transfer, heat-exchange or heat-storage materials C09K 5/00; arrangement or mounting of heat-exchangers in air-conditioning, air-humidification or ventilation F24F 13/30)
F41 Hierarchieinformationen		WEAPONS; BLASTING
F41 Hierarchieinformationen		WEAPONS
F42 Hierarchieinformationen		AMMUNITION; BLASTING
G Hierarchieinformationen		PHYSICS
H Hierarchieinformationen		ELECTRICITY

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