F04B 1/113

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Class  F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS


Subclass 1/113: Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (F04B 3/00 takes precedence; fluid-driven pumps F04B 9/08; control of reciprocating machines or pumps in general F04B 49/00) having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with an actuating or actuated element at the inner ends of the cylinders

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10465669 Spin pump with spun-epicyclic geometry having piston bores capped with caps including ducts or valves within the rotorSep 25, 17Nov 05, 19Chart Inc.
9945360 Radial piston pump and wind power generatorJun 03, 15Apr 17, 18Hitachi, Ltd.
9771931 Spin pump with spun-epicyclic geometryOct 09, 14Sep 26, 17CHART INC.
9188116 High pressure pumpSep 17, 12Nov 17, 15KINEMAX SYSTEMS, LLC
9109585 PumpJan 24, 11Aug 18, 15YASA MOTORS POLAND SP. Z O.O., YASA MOTORS POLAND SP. ZO.O.,

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