F04B 1/047






Subclass 1/047: 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 with an actuating or actuated element at the outer ends of the cylinders

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10605079 Fluid working machine having offset valve cylindersMay 27, 14Mar 31, 20DANFOSS POWER SOLUTIONS GMBH & CO OHG; Artemis Intelligent Power Ltd.;
10578084 Hydraulic device with radial pistons comprising at least one ball bearingDec 17, 15Mar 03, 20Poclain Hydraulics Industrie
10563641 Distribution device for hydraulic machineJul 28, 15Feb 18, 20Poclain Hydraulics Industrie
10443582 Distribution casing device for a hydraulic machineJul 30, 15Oct 15, 19Poclain Hydraulics Industrie
10378357 Hydraulic radial piston device with improved pressure transition mechanismJan 14, 16Aug 13, 19Eaton Intelligent Power Limited
10364792 Braking system for a hydraulic machineSep 22, 17Jul 30, 19Poclain Hydraulics Industrie
10344745 Downhole hydraulic pumpJul 04, 12Jul 09, 19Welltec A/S
10221831 Radial piston machine having braking means secured against twistingNov 11, 16Mar 05, 19Robert Bosch GmbH
10183334 Selection system having improved axial lockingMay 31, 17Jan 22, 19Poclain Hydraulics Industrie
10082027 Piston unit and hydrostatic radial-piston machineJan 13, 16Sep 25, 18Robert Bosch GmbH
9970436 Pulsation-free positive displacement rotary pumpMay 02, 13May 15, 18SWISSINNOV PRODUCT SARL
9945360 Radial piston pump and wind power generatorJun 03, 15Apr 17, 18Hitachi, Ltd.
9777573 Radial piston engine with brakeApr 16, 13Oct 03, 17ROBERT BOSCH GMBH
9556735 Radial piston hydraulic motorApr 04, 14Jan 31, 17BLACK BRUIN INC. (PARALLEL COMPANY TO BLACK BRUIN OY)
9546654 Hydraulic motor-pump with fixed or variable displacementFeb 04, 14Jan 17, 17Not available
9518466 Hydraulic apparatus having an improved structure for its commissioningSep 19, 13Dec 13, 16POCLAIN HYDRAULICS INDUSTRIE
9512859 Hydraulic transmission circuit with multiple capacitiesJan 16, 13Dec 06, 16POCLAIN HYDRAULICS INDUSTRIE
9284942 Subassembly forming a hydrobase for hydraulic motors, and assembly methodJan 28, 11Mar 15, 16POCLAIN HYDRAULICS INDUSTRIE
9261063 Vehicle oil pumpApr 04, 11Feb 16, 16TOYOTA JIDOSHA KABUSHIKI KAISHA
9162760 Radial fluid device with multi-harmonic outputAug 02, 12Oct 20, 15BELL HELICOPTER TEXTRON INC.

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Recent Publications

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