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PCE
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DIFF Subgroup
F04B 1/0531

with cam-actuated distribution members

Introduced: January 2020

Full Title

Full titles differ between systems:

IPC:

Multi-cylinder machines or pumps characterised by number or arrangement of cylinders > having cylinders in star- or fan-arrangement > with actuating or actuated elements at the inner ends of the cylinders > with cam-actuated distribution members

CPC:

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

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

IPC defines codes here since 2020.

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 since 2020 IPC+CPC Available in IPC and CPC