IPC Subgroup
F02P 5/1 dependent on fluid pressure in engine, e.g. combustion-air pressure
Introduced: September 1968
Last revised: January 2006
Full Title
Advancing or retarding electric ignition spark; Control therefor > automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions > using mechanical means > dependent on fluid pressure in engine, e.g. combustion-air pressure
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
1 direct subcode
Child Classifications
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- F02P 5/12 dependent on a specific pressure other than that of combustion-air, e.g. of exhaust, cooling fluid, lubricant