CPC Subgroup
F04B 1/0404 Details or component parts
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 > Details or component parts
9 direct subcodes
Child Classifications
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- F04B 1/0408 Pistons
- F04B 1/0413 Cams
- F04B 1/0421 Cylinders
- F04B 1/0426 Arrangements for pressing the pistons against the actuated cam; Arrangements for connecting the pistons to the actuated cam
- F04B 1/0435 Arrangements for disconnecting the pistons from the actuated cam
- F04B 1/0439 Supporting or guiding means for the pistons
- F04B 1/0443 Draining of the housing; Arrangements for handling leaked fluids
- F04B 1/0448 Sealing means, e.g. for shafts or housings (for pistons F04B1/0408 )
- F04B 1/0452 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)