CPC Subgroup
F01C 1/02 of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
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 arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
4 direct subcodes
Child Classifications
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- F01C 1/04 of internal-axis type
- F01C 1/06 of other than internal-axis type (F01C1/063 takes precedence)
- F01C 1/063 with coaxially-mounted members having continuously-changing circumferential spacing between them