for decompression, e.g. during starting; for changing compression ratio

Full Title

Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations > for decompression, e.g. during starting; for changing compression ratio

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