in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders

Introduced: September 1968

Full Title

Reciprocating-piston liquid engines > with movable cylinders > in which the liquid exclusively displaces one or more pistons reciprocating in rotary cylinders

Of 5 combined children, 1 exist in both systems.

3 codes are CPC-only extensions, 1 exist only in IPC.

IPC defines codes here since 1990.

Child Classifications

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F03C 1/2407 +2 CPC CPC only CPC only
F03C 1/2454 CPC only CPC only
F03C 1/2462 CPC only CPC only
F03C 1/247 with cylinders in star- or fan-arrangement since 1990 IPC+CPC Available in IPC and CPC
F03C 1/253 with cylinder axes generally coaxial with, or parallel to, main shaft axis since 1990 IPC only IPC only