with actuating or actuated elements at the inner ends of the cylinders

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

Child Classifications

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• F04B 1/0531 with cam-actuated distribution members
• F04B 1/0535 the piston-driving cams being provided with inlets and outlets
• F04B 1/0536 with two or more serially arranged radial piston-cylinder units