characterised by the provision of means for rotating lift valves, e.g. to diminish wear

Full Title

Valve-gear or valve arrangements, e.g. lift-valve gear > characterised by the provision of means for rotating lift valves, e.g. to diminish wear

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