| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 11/26/2013 | CA2536603C Wave energy converters (wecs) with linear electric generators (legs) |
| 11/20/2013 | CN203297031U Hydraulic motor |
| 11/13/2013 | CN203285616U Seawater energy recovery device |
| 11/13/2013 | CN203285615U Integrated radial piston motor |
| 11/06/2013 | CN103384763A Swash plate-type motor |
| 10/31/2013 | WO2013161099A1 Bent axis-type axial piston motor |
| 10/31/2013 | WO2013160835A1 Rotating volumetric machine with radial pistons |
| 10/31/2013 | WO2013160145A2 Radial piston engine with brake |
| 10/31/2013 | DE102013206730A1 Radialkolbenmotor mit Bremse Radial piston motor with brake |
| 10/31/2013 | DE102012008623A1 Radialkolbenmaschine Radial piston engine |
| 10/23/2013 | CN103370495A Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 10/23/2013 | CN103362730A Impulse steady flow unit |
| 10/22/2013 | US8562805 Method of actuating and an actuator |
| 10/17/2013 | WO2013153684A1 Inclined-shaft-type axial piston pump motor |
| 10/17/2013 | WO2012084092A3 Hydrostatic piston engine having a brake device |
| 10/16/2013 | EP2650538A1 Skew plate-type hydraulic rotary machine |
| 10/16/2013 | CN203239497U Novel hydraulic motor return stroke plate |
| 10/10/2013 | WO2013150046A2 Housing for a hydraulic radial piston motor |
| 10/10/2013 | WO2013087593A9 Pressure intensifier, method for operating a pressure intensifier, and use of a pressure intensifier |
| 10/10/2013 | DE102012006841A1 Gehäuse für einen hydraulischen Radialkolbenmotor Housing for a radial piston hydraulic motor |
| 10/03/2013 | WO2013146576A1 Fluid pressure drive unit |
| 10/03/2013 | WO2013146575A1 Fluid pressure drive unit |
| 10/03/2013 | WO2013146450A1 Hydraulic pump motor |
| 10/03/2013 | WO2013143953A1 Hydraulic transformer |
| 10/03/2013 | WO2013143952A1 Hydrostatic axial piston machine |
| 10/02/2013 | EP2643584A1 Variable displacement hydraulic machine, in particular for a motor vehicle |
| 10/02/2013 | DE102012006726A1 Device for delivering mechanically rotating motion or kinetic energy, has inner toothed sprocket with common permanent intervening point in outer toothed sprocket, so that disk wheel rotates around sprocket and axle rotates in crank pin |
| 09/26/2013 | WO2013140064A1 Internally drained hydraulic motor |
| 09/25/2013 | EP2642123A1 Cooling structure for cylinder block and swash plate-type hydraulic device equipped with same |
| 09/25/2013 | CN203214232U Anti-wearing piston device |
| 09/24/2013 | US8539765 Engine |
| 09/18/2013 | CN203201718U Hand-operated stepless variable plunger piston type hydraulic motor |
| 09/18/2013 | CN103306930A Slantwise axial type hydraulic rotary machine and method for manufacturing same |
| 09/18/2013 | CN103306929A Hydraulic rotating machine and manufacturing method thereof |
| 09/18/2013 | CN102213179B Plunger hydraulic motor with automatical initiative input and driven state switchover |
| 09/12/2013 | WO2013068449A3 Hydraulic actuation unit, particularly for controlling the starting and stopping of hydraulic motors |
| 09/11/2013 | CN102099578B Swash plate type hydraulic rotating machine |
| 09/05/2013 | DE102012004303A1 Hydrostatic axial piston motor, particularly propulsion motor for vehicle or mobile working machine, has cylinder drum and additional pressure relief provided in contact area, where additional pressure relief is activated during starting |
| 09/04/2013 | EP2633184A2 Fluid device with pressurized roll pockets |
| 09/04/2013 | CN203176171U Thrust bearing for hydraulic continuously variable transmission |
| 09/04/2013 | CN203175750U Parking brake built in axial piston motor |
| 09/04/2013 | CN203175749U Low-speed high-torque radial plunger hydraulic motor |
| 09/04/2013 | CN103277242A Hand-operated stepless variable plunger hydraulic motor |
| 09/04/2013 | CN103277241A Integrated radial piston motor |
| 09/04/2013 | CN101892942B Single piston hydraulic free-piston engine capable of reducing pumping flow pulsation |
| 08/28/2013 | CN203161433U Wear-resistant and stable bidirectional radial plunger type hydraulic motor eccentric structure |
| 08/28/2013 | CN203161432U Hydraulic motor with detachable ring holding device |
| 08/28/2013 | CN103266984A Plunger assembly structure of water hydraulic plunger motor and assembly method thereof |
| 08/27/2013 | US8516812 Power production employing buoyancy, gravity and kinetic energy |
| 08/27/2013 | US8516809 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 08/21/2013 | EP2627897A1 Hydraulic device including a face plate |
| 08/21/2013 | CN103261678A Hydrostatic piston engine having brake device |
| 08/14/2013 | EP2626554A1 Regenerated energy type generating apparatus and method for producing same |
| 08/14/2013 | CN203130358U Oscillating cylinder type radial plunger hydraulic motor |
| 08/14/2013 | CN203130357U Polyether-ether-ketone ball pad in hydraulic motor |
| 08/14/2013 | CN103244344A Piston type water turbine |
| 08/13/2013 | US8505288 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 08/07/2013 | CN203114604U Skid shoe and oil distribution disc pre-sealing mechanism |
| 08/06/2013 | US8499554 Stable power-output device with a linear long-shaft driven by waves |
| 08/01/2013 | WO2013112113A1 Liquid engine for energy production and irrigation |
| 08/01/2013 | WO2013112112A1 Submersible liquid engine |
| 07/31/2013 | EP2620675A1 Desynchronised clutch coupling of a hydraulic apparatus |
| 07/31/2013 | CN203098138U Hydraulic swing motor used for large diameter valve switch |
| 07/31/2013 | CN203097952U Turbomachine capable of converting Coriolis vortex fluid pressure into fluid energy |
| 07/31/2013 | CN203097951U Coriolis vortex fluid pressure conversion fluid energy turbine motor with mutually ejecting fluid floating pistons |
| 07/24/2013 | EP2617985A1 Hydraulic transmission system with multiple cylinders |
| 07/24/2013 | EP2617594A1 Digital displacement hydraulic unit |
| 07/24/2013 | CN103216474A Hydraulic transmission system with multiple cylinders |
| 07/17/2013 | CN203067204U Swashplate type plunger pump and swashplate type plunger motor |
| 07/17/2013 | CN103210210A 液压装置 Hydraulics |
| 07/10/2013 | CN103195646A Buoyancy conversion system |
| 06/27/2013 | DE112011103103T5 Hydraulikvorrichtung Hydraulic device |
| 06/26/2013 | EP2607717A1 Electro-hydraulic drive system for a work machine |
| 06/26/2013 | EP2607696A1 Integrated electro-hydraulic device |
| 06/26/2013 | CN103174582A High-strength power generator set |
| 06/20/2013 | WO2013087666A1 Hydrostatic axial piston machine |
| 06/20/2013 | WO2013087593A1 Pressure intensifier, method for operating a pressure intensifier, and use of a pressure intensifier |
| 06/20/2013 | DE102011056591A1 Hydrostatic drive unit for use in stationary and mobile applications, such as in vehicle, has hydrostatic reciprocating engine arranged in engine housing, where decoupling element is formed by metallic spring bar element |
| 06/20/2013 | DE102011056587A1 Hydrostatic drive assembly for vehicle e.g. bucket excavator, has fastening flange formed by uncoupling elements, where elements are arranged radial to longitudinal axis of assembly and distributed over circumference of assembly |
| 06/20/2013 | DE102011056586A1 Hydrostatic drive unit for vehicle, has piston motor that is provided with driven shaft for driving output element which is connected with thruster shaft in torque-proof manner opposite to end region of thruster shaft |
| 06/20/2013 | DE102011056582A1 Multi-stroke hydrostatic piston motor e.g. axial-piston motor, for e.g. vehicle, has motor component arranged in machine housing and suspended for decoupling of motor at machine housing by anti-vibration and resilient decoupling elements |
| 06/20/2013 | DE102011056580A1 Hydrostatic drive unit for vehicle, has axial piston motors whose drive shafts are formed as plug shaft and are rotatably supported in motor housing using bearings |
| 06/19/2013 | CN203009155U Oil distribution disc of hydraulic motor |
| 06/12/2013 | EP2602478A1 Motor-manipulated type hydraulic actuator unit and hydraulic four-wheel drive work vehicle |
| 06/12/2013 | CN202991340U Variable piston motor purely controlled by hand wheel |
| 06/12/2013 | CN202991339U Discharge capacity limit mechanisms of hydraulic motor |
| 06/12/2013 | CN202991338U Discharge capacity fine adjustment mechanism used for hydraulic motor |
| 06/12/2013 | CN103154504A Cam motor and cam motor deceleration device |
| 06/12/2013 | CN101932826B Hydraulic engine device for assistance in the mechanical transmission of a vehicle |
| 06/05/2013 | EP2598749A1 Axial piston machine |
| 06/05/2013 | EP2598748A2 Variable displacement hydraulic pump/motor with hydrostatic valve plate |
| 06/05/2013 | EP2598747A1 A rotary hydraulic machine with radial pistons |
| 06/05/2013 | CN202971035U Emulsified liquid motor with prolonged service life |
| 06/05/2013 | CN202971034U High-reliability hydraulic motor |
| 06/05/2013 | CN202971033U Hydraulic motor and travel driving device with same |
| 06/05/2013 | CN103133236A Gear speed-up type generator set |
| 06/05/2013 | CN101960139B Electric motor integrated hydraulic motor |
| 06/05/2013 | CN101563539B Lever operated pivoting float with generator |
| 05/29/2013 | CN202954923U Center locating mechanism of cylinder body of tilt axis type hydraulic motor |
| 05/29/2013 | CN103122824A Material combination type hydraulic motor |