of machines or pumps with rotary cylinder blocks

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 cylinder axes coaxial with, or parallel or inclined to, main shaft axis > Control > of machines or pumps with rotary cylinder blocks

Child Classifications

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• F04B 1/303 by turning the valve plate
• F04B 1/306 by turning the swash plate, e.g. with fixed inclination
• F04B 1/32 by varying the relative positions of a swash plate and a cylinder block