Skip to content
PCE
Search Classifications
Search for IPC and CPC classification codes or keywords
DIFF Subgroup
F04B 1/0533

each machine piston having channels that coact with the cylinder and serve as distribution members for another piston-cylinder unit

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 > each machine piston having channels that coact with the cylinder and serve as distribution members for another piston-cylinder unit

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 > each machine piston having channels that coact with the cylinder and serve as distribution members for another piston-cylinder unit

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