having the movement defined in group or and relative reciprocation between the co-operating members

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

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

Child Classifications

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• F01C 1/344 with vanes reciprocating with respect to the inner member
• F01C 1/356 with vanes reciprocating with respect to the outer member