CPC Subgroup
F01C 1/24 of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions
Full Title
Rotary-piston machines or engines (with axes of co-operating members non parallel F01C3/00; with the working-chamber walls at least partly resiliently deformable F01C5/00; with fluid ring or the like F01C7/00; rotary-piston machines or engines in which the working fluid is exclusively displaced by, or exclusively displaces, one or more reciprocating pistons F01B13/00) > of counter-engagement type, i.e. the movement of co-operating members at the points of engagement being in opposite directions
2 direct subcodes
Child Classifications
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