IPC Subgroup
F01L 25/06 Arrangements with main and auxiliary valves, at least one of them being fluid-driven
Introduced: September 1968
Last revised: January 2006
Full Title
Drive, or adjustment during operation, of distribution or expansion valves by non-mechanical means > by fluid means > by working fluid of machine or engine, e.g. free-piston machine > Arrangements with main and auxiliary valves, at least one of them being fluid-driven
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