IPC Subgroup
F01L 15/18 Valve arrangements not provided for in preceding subgroups of this group
Introduced: September 1968
Last revised: January 2006
Full Title
Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups > Valve arrangements not provided for in preceding subgroups of this group
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