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| SECTION F– MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING |
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| F 02 | COMBUSTION ENGINES (cyclically operating valves therefor, lubricating, exhausting, or silencing engines F 01) |
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| F 02 B | INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL (internal-combustion turbines F 02 C; plants in which engines use combustion products F 02 C, F 02 G) |
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| F 02 C | GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS (construction of turbines F 01 D; jet-propulsion plants F 02 K; construction of compressors or fans F 04; gas-turbine combustion chambers F 23 R; using gas turbines in compression refrigeration plants F 25 B 11/00; using gas-turbine plants in vehicles, see the relevant vehicle classes) |
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| F 02 D | CONTROLLING COMBUSTION ENGINES (vehicle fittings for automatically controlling vehicle speed B 60 K 31/00; cyclically operating valves for combustion engines F 01 L; controlling combustion engine lubrication F 01 M; cooling internal-combustion engines F 01 P; supplying combustion engines with combustible mixtures or constituents thereof, e.g. carburettors, injection pumps, F 02 M; starting of combustion engines F 02 N; controlling of ignition F 02 P; controlling gas-turbine plants, jet-propulsion plants, or combustion-product engine plants, see the relevant subclasses for these plants) |
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| F 02 F | CYLINDERS, PISTONS, OR CASINGS FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES (specially adapted for rotary-piston or oscillating-piston internal-combustion engines F 02 B; specially adapted for gas-turbine plants F 02 C; specially adapted for jet-propulsion plants F 02 K) |
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| F 02 G | 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 F 01 K; gas-turbine plants F 02 C; jet-propulsion plants F 02 K) |
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| F 02 K | JET-PROPULSION PLANTS (arrangement or mounting of jet-propulsion plants in land vehicles or vehicles in general B 60 K; arrangement or mounting of jet-propulsion plants in waterborne vessels B 63 H; controlling aircraft attitude, flight direction, or altitude by jet reaction B 64 C; arrangement or mounting of jet-propulsion plants in aircraft B 64 D; plants characterised by the power of the working fluid being divided between jet propulsion and another form of propulsion, e.g. propeller, F 02 B, F 02 C; features of jet-propulsion plants common to gas-turbine plants, air intakes or fuel supply control of air-breathing jet-propulsion plants F 02 C) |
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| F 02 M | SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF (charging such engines F 02 B) |
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| F 02 N | STARTING OF COMBUSTION ENGINES (starting of free-piston combustion-engines F 02 B 71/02; starting of gas-turbine plants F 02 C 7/26) |
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| F 02 P | 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 F 02 B 53/12; ignition of combustion apparatus in general, glowing plugs F 23 Q; measuring of physical variables in general G 01; controlling in general G 05; data processing in general G 06; electrical components in general, see section H; sparking plugs H 01 T) |
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