IPC Main Group
F01L 27/00 Distribution or expansion-valve gear peculiar to free-piston machines or engines and not provided for in groups
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
2 direct subcodes
Child Classifications
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- F01L 27/02 the machine or engine having rotary or oscillatory valves
- F01L 27/04 Delayed-action controls, e.g. of cataract- or dash-pot-type