IPC Subgroup
F02B 21/02 Chamber shapes or constructions
Introduced: September 1968
Last revised: January 2006
Full Title
Engines characterised by air-storage chambers > Chamber shapes or constructions
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