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PCE
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DIFF Subgroup
F04B 1/0456

Cylindrical

Introduced: January 2020

Title

Titles differ between systems:

IPC: cylindrical

CPC: Cylindrical

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 > Details or component parts > Distribution members, e.g. valves > cylindrical

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 > Details or component parts > Distribution members, e.g. valves (machines or pumps with cam-actuated distribution members at the outer ends of the cylinders F04B1/0472; machines or pumps with cam-actuated distribution members at the inner ends of the cylinders F04B1/0531; the piston-driving cams being provided with inlets and outlets F04B1/0535) > Cylindrical

No child classifications to compare. This is a leaf node in both IPC and CPC.