IPC Subgroup
F02M 7/12 Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
Introduced: September 1968
Last revised: January 2006
Full Title
Carburettors with means for influencing, e.g. enriching or keeping constant, fuel/air ratio of charge under varying conditions > Other installations, with moving parts, for influencing fuel/air ratio, e.g. having valves
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
5 direct subcodes
Child Classifications
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- F02M 7/127 Altering the float-chamber pressure
- F02M 7/133 Auxiliary jets, i.e. operating only under certain conditions, e.g. full power
- F02M 7/14 with means for controlling cross-sectional area of fuel spray nozzle
- F02M 7/18 with means for controlling cross-sectional area of fuel-metering orifice
- F02M 7/22 fuel flow cross-sectional area being controlled dependent on air-throttle-valve position
Top Applicants
Top 10 applicants by patent filingsfor class F02, 2013–2023, worldwide · Source: EPO PATSTAT
- TOYOTA MOTOR CORPORATION 8,687
- ROBERT BOSCH DE 8,328
- FORD GLOBAL TECHNOLOGIES US 7,423
- GE (GENERAL ELECTRIC COMPANY) US 5,732
- UNITED TECHNOLOGIES CORPORATION (UTC) US 5,592
- HYUNDAI MOTOR COMPANY KR 4,699
- TOYOTA MOTOR CORPORATION JP 4,541
- DENSO CORPORATION 3,711
- WEICHAI POWER COMPANY 3,486
- SAFRAN AIRCRAFT ENGINES FR 3,249