Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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F01C
ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
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1/00
Rotary-piston machines or engines
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F01C1/30
having the characteristics covered by two or more groups F01C1/02, F01C1/08, F01C1/22, F01C1/24 or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
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F01C1/34
having the movement defined in group F01C1/08 or F01C1/22 and relative reciprocation between the co-operating members
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F01C1/344
with vanes reciprocating with respect to the inner member
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F01C1/3446
the inner and outer member being in contact along more than one line or surface
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