| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 04/16/2009 | DE19625686B4 Exzenteranordnung, insbesondere für eine Hubkolbenpumpe Eccentric arrangement, in particular for a reciprocating pump |
| 04/09/2009 | WO2008088368A3 Lever operated pivoting float with generator |
| 04/09/2009 | DE102007045804A1 Valve-controlled hydro motor e.g. axial or radial piston engine, for use in swash plate structure, has working chambers connectable with inlet via releasable feed valve, where feed valve is hydraulically operated |
| 04/08/2009 | CN101403366A Plunger hydraulic motor mechanical-hydraulic leading switch variable-torque oil-distribution component and torque-changing method |
| 04/08/2009 | CN101403365A Mechanical-hydraulic leading switch variable-torque rotating-cylinder plunger hydraulic motor and torque-changing method |
| 04/08/2009 | CN101403364A Hydraulic power engine and generator set apparatus |
| 03/26/2009 | WO2009037151A1 Hydraulic drive |
| 03/25/2009 | EP2038547A1 Compact hydraulic mechanism with radial pistons |
| 03/25/2009 | CN101392719A Emulsified mixture radial plunger piston motor |
| 03/25/2009 | CN101392718A Double swash plate hydraulic motor |
| 03/19/2009 | US20090071153 Method and system for energy storage and recovery |
| 03/18/2009 | CN201209515Y Hydraulic motor |
| 03/18/2009 | CN101387261A Fluid-pressure conversion machine |
| 03/18/2009 | CN100470049C Oil motor used in hydraulic bicycle |
| 03/11/2009 | EP2032842A1 A radial cylinder hydraulic |
| 03/11/2009 | CN101384823A Inclined plate type piston pump or electric motor |
| 03/04/2009 | EP1689967B1 Drilling apparatus with anti-vibration inertial body |
| 02/26/2009 | DE102004030046B4 Hydrostatisches Schrägachsenmodul mit mehreren Jochen Hydrostatic oblique axis module with multiple yokes |
| 02/25/2009 | CN201198814Y Low noise radial plunger hydraulic motor |
| 02/24/2009 | US7493759 Fluid motion energy converter |
| 02/19/2009 | WO2007065013A3 Multi imager compatible robot for image-guided interventions, automated brachytherapy seed delivery apparatus and methods and systems related thereto |
| 02/18/2009 | EP2024639A1 Axial piston machine having a hydrostatically mounted cradle journal |
| 02/18/2009 | EP2024638A1 Axial piston machine having a hydrostatic support of the hold-down |
| 02/18/2009 | EP2024635A1 Hydrostatic piston machine and thrust ring for a brake device of the former |
| 02/18/2009 | CN101367485A High-efficiency adjustable power take-off |
| 02/12/2009 | WO2009018934A1 Hydrostatic machine having an actuating device comprising a return element for actuating a control valve |
| 02/11/2009 | CN201193584Y Connecting bar type hydraulic motor |
| 02/11/2009 | CN101363398A Hydraulic engine |
| 02/11/2009 | CN101363397A Single-piston type hydraulic free piston engine |
| 02/10/2009 | US7487706 Device for controlling a hydraulically driven motor |
| 02/10/2009 | US7487637 Submerged run of river turbine |
| 01/29/2009 | DE19910047B4 Hydrostatischer Nabenantrieb Hydrostatic drive hub |
| 01/28/2009 | CN201187400Y Hydraulic driving machine |
| 01/28/2009 | CN101354032A Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination |
| 01/27/2009 | US7482705 Generator support plenum |
| 01/22/2009 | WO2008125779A3 Hydraulic engine with radial pistons acting as a hydraulic starter |
| 01/14/2009 | EP2013475A1 Hydraulic motor having radial cylinders and continuous variable displacement |
| 01/14/2009 | CN101344793A Quasi-gravity device |
| 01/14/2009 | CN100451331C Striker hydraulic power |
| 01/13/2009 | US7475627 Rotary to reciprocal power transfer device |
| 01/08/2009 | DE102007030979A1 Valve-controlled hydraulic motor e.g. swash plate type axial-piston machine, has hydraulic pump and starting valve reducing effective pressure difference between pressure chambers for starting-up of hydraulic motor |
| 01/08/2009 | DE102007030834A1 Valve-controlled hydro motor, has multiple pistons accommodated in piston retaining part, where rotator including adjusting cylinder and supporting brackets, adjusts relative position between lifting unit and piston retaining part |
| 01/08/2009 | DE102007030832A1 Ventilgesteuerter Hydromotor Valve controlled hydraulic motor |
| 01/07/2009 | CN101341335A Axial piston machine having a hydrostatically mounted cradle journal |
| 01/02/2009 | DE102007028885A1 Hose e.g. kitchen hose, connecting device, for e.g. hand shower, has connection part rotatably placed on sections of fitting so that rotation of hose against tap, corner valve or hand shower is enabled during utilization of device |
| 12/31/2008 | CN101334014A Plunger type quantitative hydraulic motor electro-hydraulic switch torque-changing oil dispensing subassembly |
| 12/31/2008 | CN101334013A Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor |
| 12/31/2008 | CN100447410C Axial piston hydraulic pump motor |
| 12/24/2008 | EP2004995A1 Piston for radial piston hydraulic engine and method for making same |
| 12/24/2008 | EP2004988A1 Piston for a radial piston hydraulic engine and method for making same |
| 12/24/2008 | EP2004957A1 Piston engine |
| 12/17/2008 | CN201165929Y Lever type hydraulic single actuating engine |
| 12/17/2008 | CN201165928Y Electric generating apparatus with enclosed liquid bursa for shoes |
| 12/17/2008 | CN101326364A Combined pump housing for several rated quantities |
| 12/17/2008 | CN101326362A Hydrostatic piston machine and thrust ring for a brake device thereof |
| 12/04/2008 | US20080295509 Fluid motion energy converter |
| 12/01/2008 | CA2632805A1 Water powered hose reel |
| 11/27/2008 | US20080289324 Clean energy generator |
| 11/27/2008 | DE112006003645T5 Pumpe/Motor der Schrägachsenbauart mit variabler Verdrängung Pump / motor bent axis type variable displacement |
| 11/26/2008 | EP1994282A1 Combined pump housing for several rated quantities |
| 11/26/2008 | CN101313148A Inclined shaft-type variable displacement pump/motor |
| 11/26/2008 | CN100436754C Radial-piston motor |
| 11/20/2008 | DE202008012550U1 Hydraulischer Motor zur Energieerzeugung Hydraulic motor for power generation |
| 11/18/2008 | US7451790 Device for controlling hydraulic power units |
| 11/13/2008 | DE102007022022A1 Hydrostatische Maschine und diese verwendender Wandler Hydrostatic machine and use this converter Direction |
| 11/12/2008 | EP1989444A2 High pressure pump of variable displacement |
| 11/12/2008 | CN101305223A Independent displacement opposing pump/motors and method of operation |
| 11/12/2008 | CN101302992A Plunger piston hydraulic slave motor machine solution guide switch changing torque oil distributing component as well as method for changing torque |
| 11/12/2008 | CN101302991A Machine solution guide switch changing torque rotating cylinder barrel plunger piston hydraulic slave motor and method for changing torque |
| 11/11/2008 | US7448210 Wave powered system for generating energy |
| 11/04/2008 | US7444811 Wave power device |
| 11/04/2008 | US7444810 Lever operated pivoting float with generator |
| 10/29/2008 | CN101297111A Radial piston-type hydraulic motor with cylinder block cooling |
| 10/23/2008 | US20080257511 Outlet device for a pressurized vessel having a combined radial bearing and hydraulic drive motor |
| 10/23/2008 | US20080256939 Device for Managing the Displacement of a Hydraulic Motor or a Group of Hydraulic Motors |
| 10/21/2008 | US7438979 comprising a molybdenum metal phase and an alloy phase consisting of iron, nickel, cobalt, chromium, copper and zinc, having wear and heat resistance under high temperature and pressure, low or high speed sliding; nonseizing |
| 10/15/2008 | EP1979551A1 Control system for a work machine and method for controlling a hydraulic cylinder |
| 10/15/2008 | EP1979546A1 Method for controlling a hydraulic cylinder in a work machine and control system for a work machine |
| 10/14/2008 | US7434396 Economy of motion machine |
| 10/09/2008 | DE102007016519A1 Axial piston hydraulic motor, has high pressure and low pressure connections separated from each other from side of formation of rotatable part of valve plate to another side of formation of non-rotatable part of valve plate |
| 10/08/2008 | CN101283181A Device for managing the displacement of a hydraulic motor or a group of hydraulic motors |
| 10/07/2008 | US7431051 Sewage system for vehicles |
| 09/25/2008 | WO2008114843A1 Opposed swash plate type piston pump/motor |
| 09/16/2008 | CA2428458C Hydraulic cam motor |
| 09/10/2008 | CN101260860A Hydraulic motor |
| 09/03/2008 | EP1962684A2 Multi imager compatible robot for image-guided interventions, automated brachytherapy seed delivery apparatus and methods and systems related thereto |
| 08/28/2008 | US20080206073 Fluid-Working Machines |
| 08/26/2008 | US7415821 Hydraulic motor unit |
| 08/06/2008 | CN201096065Y Plunger type quantitative hydraulic motor electro-hydraulic switch torque-changing oil dispensing subassembly |
| 08/06/2008 | CN201096064Y Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor |
| 07/31/2008 | US20080178732 Piston Hydraulic Motor |
| 07/31/2008 | DE102008000094A1 Radial piston hydraulic motor, has pressurized input channel enclosed in control member, when pressure drops below predetermined threshold value in fluid medium channel, where oil stream of channel is guided under operating pressure |
| 07/31/2008 | DE102007004069A1 Radial piston engine, particularly multiple stroke radial piston motor, has absorption area of discharge field that is equal or larger than limiting effective piston surface of cylinder space of piston |
| 07/30/2008 | CN100406724C Tilted variable axial piston device |
| 07/23/2008 | CN201090366Y Back cover driving part of double sloping cam plate hydraulic motor |
| 07/16/2008 | EP1173677B8 A device comprising a combination of a chamber and a piston |
| 07/16/2008 | CN201087758Y Energy-saving automotive brake |
| 07/10/2008 | WO2008080313A1 Top rotating engine |
| 07/09/2008 | EP1941158A1 Radial piston-type hydraulic motor with cylinder block cooling |
| 07/09/2008 | CN201083182Y Connecting rod type hydraulic motor |