IPC Main Group
F01L 31/00 Valve drive, valve adjustment during operation, or other valve control, 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
3 direct subcodes
Child Classifications
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- F01L 31/02 with tripping-gear; Tripping of valves
- F01L 31/06 with tripping-gear specially for oscillatory valves; Oscillatory tripping-valves, e.g. of Corliss type
- F01L 31/08 Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear