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IPC entry: F02C 7/18 3-dot subgroup [Version 2024.01 (current), Language EN - English]

Symbol Select IPC entry Title
A
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HUMAN NECESSITIES
B
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PERFORMING OPERATIONS; TRANSPORTING
C
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CHEMISTRY; METALLURGY
D
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TEXTILES; PAPER
E
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FIXED CONSTRUCTIONS
F
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MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
F01
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ENGINES OR PUMPS
F01
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MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
F02
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COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02B
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INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (gas-turbine plants F02C; hot-gas or combustion-product positive-displacement engine plants F02G)
F02C
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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)
F02C 1/00
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Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid (by the use of combustion products F02C 3/00, F02C 5/00) [1, 3, 2006.01]
F02C 3/00
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Gas-turbine plants characterised by the use of combustion products as the working fluid (generated by intermittent combustion F02C 5/00) [1, 2006.01]
F02C 5/00
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Gas-turbine plants characterised by the working fluid being generated by intermittent combustion [1, 2006.01]
F02C 6/00
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Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use [3, 2006.01]
F02C 7/00
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Features, component parts, details or accessories, not provided for in, or of interest apart from, groups F02C 1/00-F02C 6/00; Air intakes for jet-propulsion plants (controlling F02C 9/00) [1, 3, 2006.01]
F02C 7/04
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. Air intakes for gas-turbine plants or jet-propulsion plants [1, 3, 2006.01]
F02C 7/042
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. . having variable geometry [3, 2006.01]
F02C 7/045
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. . having provisions for noise suppression [3, 2006.01]
F02C 7/047
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. . Heating to prevent icing [3, 2006.01]
F02C 7/05
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. . having provisions for obviating the penetration of damaging objects or particles [3, 2006.01]
F02C 7/052
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. . . with dust-separation devices [3, 2006.01]
F02C 7/055
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. . . with intake grids, screens or guards [3, 2006.01]
F02C 7/057
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. . Control or regulation (conjointly with fuel supply control F02C 9/50, with nozzle area control F02K 1/16) [3, 2006.01]
F02C 7/06
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. Arrangement of bearings (bearings F16C); Lubricating (of engines in general F01M) [1, 3, 2006.01]
F02C 7/08
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. Heating air supply before combustion, e.g. by exhaust gases [1, 2006.01]
F02C 7/10
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. . by means of regenerative heat-exchangers [1, 2006.01]
F02C 7/105
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. . . of the rotary type (rotary heat exchangers per seF28D) [3, 2006.01]
F02C 7/12
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. Cooling of plants (of component parts, see the relevant subclasses, e.g. F01D; cooling of engines in general F01P) [1, 2006.01]
F02C 7/14
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. . of fluids in the plant [1, 2006.01]
F02C 7/141
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. . . of working fluid (F02C 3/30 takes precedence) [3, 2006.01]
F02C 7/143
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. . . . before or between the compressor stages [3, 2006.01]
F02C 7/16
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. . characterised by cooling medium [1, 2006.01]
F02C 7/18
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. . . the medium being gaseous, e.g. air [1, 2006.01]
F02C 7/20
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. Mounting or supporting of plant; Accommodating heat expansion or creep [1, 2006.01]
F02C 7/22
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. Fuel supply systems [1, 2006.01]
F02C 7/224
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. . Heating fuel before feeding to the burner [3, 2006.01]
F02C 7/228
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. . Dividing fuel between various burners [3, 2006.01]
F02C 7/232
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. . Fuel valves; Draining valves or systems (valves in general F16K) [3, 2006.01]
F02C 7/236
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. . Fuel delivery systems comprising two or more pumps [3, 2006.01]
F02C 7/24
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. Heat or noise insulation (air intakes having provisions for noise suppression F02C 7/045; turbine exhaust heads, chambers, or the like F01D 25/30; silencing nozzles of jet-propulsion plants F02K 1/00) [1, 3, 2006.01]
F02C 7/25
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. . Fire protection or prevention (in general A62) [3, 2006.01]
F02C 7/26
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. Starting; Ignition [1, 2006.01]
F02C 7/262
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. . Restarting after flame-out [3, 2006.01]
F02C 7/264
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. . Ignition [3, 2006.01]
F02C 7/266
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. . . Electric (sparking plugs H01T) [3, 2006.01]
F02C 7/268
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. . Starting drives for the rotor [3, 2006.01]
F02C 7/27
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. . . Fluid drives (turbine starters F02C 7/277) [3, 2006.01]
F02C 7/272
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. . . . generated by cartridges [3, 2006.01]
F02C 7/275
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. . . Mechanical drives [3, 2006.01]
F02C 7/277
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. . . . the starter being a turbine [3, 2006.01]
F02C 7/28
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. Arrangement of seals [1, 2006.01]
F02C 7/30
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. Preventing corrosion in gas-swept spaces [1, 2006.01]
F02C 7/32
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. Arrangement, mounting, or driving, of auxiliaries [1, 2006.01]
F02C 7/36
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. Power transmission between the different shafts of the gas-turbine plant, or between the gas-turbine plant and the power user (F02C 7/32 takes precedence; couplings for transmitting rotation F16D; gearing in general F16H) [3, 2006.01]
F02C 9/00
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Controlling gas-turbine plants; Controlling fuel supply in air-breathing jet-propulsion plants (controlling air intakes F02C 7/057; controlling turbines F01D; controlling compressors F04D 27/00) [1, 3, 2006.01]
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) [4, 2006.01]
F02F
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CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES [2]
F02G
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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
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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
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SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
F02N
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STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
F02P
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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
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MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
F04
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POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
F15
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ENGINEERING IN GENERAL
F15
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FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
F16
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ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
F17
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STORING OR DISTRIBUTING GASES OR LIQUIDS
F21
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LIGHTING; HEATING
F21
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LIGHTING
F22
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STEAM GENERATION
F23
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COMBUSTION APPARATUS; COMBUSTION PROCESSES
F24
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HEATING; RANGES; VENTILATING
F25
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REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
F26
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DRYING
F27
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FURNACES; KILNS, OVENS OR RETORTS [4]
F28
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HEAT EXCHANGE IN GENERAL
F41
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WEAPONS; BLASTING
F41
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WEAPONS
F42
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AMMUNITION; BLASTING
F99
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SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION [2006.01]
G
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PHYSICS
H
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ELECTRICITY

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