surrounding working cylinder or piston

Full Title

Rotary or oscillatory slide-valve gear or valve arrangements > with cylindrical, sleeve, or part-annularly-shaped valves > surrounding working cylinder or piston

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