the vanes positively engaging, with circumferential play, an outer rotatable member

Full Title

Rotary-piston machines or engines > having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members > having the movement defined in group or and relative reciprocation between the co-operating members > with vanes reciprocating with respect to the inner member > the vanes positively engaging, with circumferential play, an outer rotatable member

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

Subclass:

ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES