CPC Subgroup
F04B 1/0531 with cam-actuated distribution members
Full Title
Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (machines or pumps with pistons coacting within one cylinder F04B3/00) > having cylinders in star- or fan-arrangement > with actuating or actuated elements at the inner ends of the cylinders > with cam-actuated distribution members
1 direct subcode
Child Classifications
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- F04B 1/0533 each machine piston having channels that coact with the cylinder and serve as distribution members for another piston-cylinder unit