IPC Subgroup
F01L 7/14 Multiple-valve arrangements
Introduced: September 1968
Last revised: January 2006
Full Title
Rotary or oscillatory slide-valve gear or valve arrangements > Multiple-valve arrangements
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