IPC Subgroup
F02B 43/02 Engines characterised by means for increasing operating efficiency
Introduced: September 1968
Last revised: January 2006
Full Title
Engines characterised by operating on gaseous fuels; Plants including such engines > Engines characterised by means for increasing operating efficiency
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- Subclass:
- INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
2 direct subcodes
Child Classifications
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- F02B 43/04 for improving efficiency of combustion
- F02B 43/06 for enlarging charge