| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 06/28/2007 | US20070144906 Method of actuating and an actuator |
| 06/21/2007 | WO2007069340A1 Two-way reversible common mechanism for internal combustion engine and pump |
| 06/14/2007 | US20070131108 High Precision Hydraulic Synchronous and Proportional Flow Dividing and Flow Collecting Apparatus |
| 06/13/2007 | CN1978891A Two-stroke water-energy gravity machine and its water-energy into kinetic-energy method |
| 06/13/2007 | CN1321268C Inclined disc lengthening servo convex sliding block positioning apparatus |
| 06/07/2007 | WO2007021689A3 Expansion motor |
| 06/07/2007 | US20070125091 System for vaporization of liquid fuels for combustion and method of use |
| 06/06/2007 | EP1415088B1 Axial piston motor |
| 06/05/2007 | US7225721 Hydraulic motor |
| 06/05/2007 | US7225720 Radial piston hydraulic motor and method in the control of a radial piston hydraulic motor |
| 05/31/2007 | WO2007060822A1 Inclined shaft-type variable displacement pump/motor |
| 05/31/2007 | WO2007059541A1 Hydraulic prime mover, in particular hydraulic motor |
| 05/23/2007 | EP1606521B1 A device for controlling a hydraulically driven motor |
| 05/22/2007 | CA2327825C Radial piston hydraulic engine |
| 05/16/2007 | EP1785622A1 Hydraulic pump |
| 05/15/2007 | US7216483 Power generating system utilizing buoyancy |
| 05/09/2007 | EP1466093B1 Hydraulic radial piston motor |
| 05/09/2007 | CN1959104A Minitype automatic apparatus for recycling waste water without energy consumption |
| 05/08/2007 | US7213398 Power generation device utilizing river flow or seawater |
| 05/08/2007 | CA2309706C Radial piston hydraulic motor |
| 05/03/2007 | WO2007048979A1 Radial piston-type hydraulic motor with cylinder block cooling |
| 04/25/2007 | CN1952482A Diversion draft fan and use thereof |
| 04/25/2007 | CN1312410C Oil draining method and device for hydraulic returm motor |
| 04/24/2007 | US7207260 Reciprocating hydraulic machine, especially a motor, and dosing apparatus comprising such a motor |
| 04/19/2007 | WO2007042703A1 Device for managing the displacement of a hydraulic motor or a group of hydraulic motors |
| 04/18/2007 | CN1311173C Driving device containing one dydraulic engine and one speed reducer |
| 04/12/2007 | US20070079698 Reciprocating fluid machines |
| 04/05/2007 | WO2007038401A2 Independent displacement opposing pump/motors and method of operation |
| 04/05/2007 | CA2623499A1 Independent displacement opposing pump/motors and method of operation |
| 03/28/2007 | CN2883675Y Plametary cylinder type planger pump or motor |
| 03/28/2007 | CN2883674Y Crossing plunger pump or motor |
| 03/22/2007 | WO2005069824A3 Active impedance matching systems and methods for wave energy converter |
| 03/22/2007 | DE10064145B4 Doppelwirkende Axialkolbenmaschine Double acting axial piston |
| 03/14/2007 | CN1304763C Crankshaft connecting low-speed big-torsion hydraulic motor stepless variable mechanisms |
| 03/06/2007 | US7185582 Oilless reciprocating fluid machine |
| 03/06/2007 | US7185579 Hydraulic radial piston motor |
| 02/22/2007 | WO2005089295A3 WAVE ENERGY CONVERTERS (WECs) WITH VELOCITY MULTIPLICATION |
| 02/21/2007 | EP1466092B1 Hydraulic radial piston motor |
| 02/21/2007 | CN2871941Y Large-torsional moment and low-speed hydraulic driving mechanism |
| 02/15/2007 | US20070034077 Arrangement for controlling a hydraulically driven motor |
| 02/15/2007 | US20070034047 Planetary motor |
| 02/14/2007 | EP1752586A2 Transmission system for hydraulically propulsed vehicle with a slewing upper body and with a hydrostatic piston engine with position feedback |
| 02/14/2007 | CN2869365Y Hydraulic motor for driving underwater spiral anchor block |
| 02/14/2007 | CN1914418A Hydraulic motor/pump |
| 02/08/2007 | US20070028607 Hydraulic drive device |
| 02/08/2007 | DE102005036308A1 Triebwerk Engine |
| 02/06/2007 | US7171887 Regulating device for hydrostatic piston machines |
| 01/31/2007 | EP1748187A2 Wear resistant port plate for a fluid transfer device |
| 01/30/2007 | US7168532 Wave energy converter (WEC) with magnetic braking |
| 01/25/2007 | WO2007010775A1 Installation structure for swash plate support base, and hydraulic device |
| 01/24/2007 | EP1606522B1 A device for controlling hydraulic power units |
| 01/18/2007 | US20070012171 Hydraulic drive |
| 01/18/2007 | DE19618793B4 Radialkolbenmaschine Radial piston engine |
| 01/18/2007 | DE19618792B4 Radialkolbenmaschine Radial piston engine |
| 01/09/2007 | US7159396 Fluid-operated power generating system |
| 01/09/2007 | US7159395 Bent axis hydrostatic module with multiple yokes |
| 01/04/2007 | US20070000245 Hydraulic motor unit |
| 01/03/2007 | EP1738071A2 Antirotational structure for wave energy converters |
| 12/27/2006 | EP1735175A2 Wave energy converter (wec) with magnetic braking |
| 12/27/2006 | CN1291858C Axial piston unit for integrated wheel hub |
| 12/20/2006 | EP1733141A2 Wave energy converters (wecs) with linear electric generators (legs). |
| 12/13/2006 | EP1350010B1 Hydraulic device as a pump or a motor |
| 12/06/2006 | CN2844477Y Hydraulic energy-saving recovery equipment with double cylinder |
| 12/05/2006 | US7143845 Drilling apparatus with anti-vibration inertial body |
| 11/30/2006 | WO2006055393A3 Fluid motion energy converter |
| 11/30/2006 | WO2005089284A3 Wave energy converter (wec) with magnetic braking |
| 11/29/2006 | EP1725897A2 WAVE ENERGY CONVERTERS (WECs) WITH VELOCITY MULTIPLICATION |
| 11/28/2006 | US7141888 Antirotational structures for wave energy converters |
| 11/28/2006 | US7140180 Wave energy converter (WEC) device and system |
| 11/22/2006 | CN2839688Y Piston for hydraulic motor |
| 11/16/2006 | DE10209805B4 Elektronische Bohrungsdruckoptimierungseinrichtung Electronic bore pressure optimization device |
| 11/09/2006 | US20060249015 Device for controlling a hydraulically driven motor |
| 11/08/2006 | EP1718864A1 Improved wave energy converter (wec) device and system |
| 11/01/2006 | CN1854509A Hydraulic engine with sealed volume variable container |
| 10/19/2006 | WO2006109079A1 Fluid-working machines |
| 10/18/2006 | CN2828357Y Oblique-axis axial piston variable motro |
| 10/12/2006 | DE19580685B4 Radialkolbenhydraulikmotor und Verfahren zur Regelung eines Radialkolbenhydraulikmotors Radial piston hydraulic motor and method for regulation of a radial piston hydraulic motor |
| 10/11/2006 | EP1313948B1 Reciprocating motor with unidirectional fluid flow |
| 10/11/2006 | CN1844658A Striker hydraulic power |
| 10/05/2006 | DE19639732B4 Axialkolbenmotor mit integriertem Differentialgetriebe Axial piston motor with integrated differential gear |
| 09/14/2006 | WO2005089379A3 Antirotational structure for wave energy converters |
| 09/14/2006 | US20060201004 Device for controlling hydraulic power units |
| 09/13/2006 | EP1367218B1 Expansion machine |
| 09/07/2006 | DE102005007854A1 Hydrostatic drive for a fan of a combustion engine comprises a back-up valve arranged in the pressure flow path between a pressure limiting valve and a hydraulic motor to adjust the dynamic pressure |
| 09/06/2006 | EP1697641A1 Method and device for switching hydraulic fluid supplies, such as for a hydraulic pump/motor |
| 08/30/2006 | EP1696124A1 Combination of a chamber and a piston |
| 08/30/2006 | EP1694962A1 Hydraulic motor/pump |
| 08/16/2006 | EP1689967A2 Drilling apparatus with anti-vibration inertial body |
| 08/16/2006 | CN1270105C Slope plate type hydraulic action device and static pressure stepless speed variator |
| 08/15/2006 | US7090475 Hydraulic control circuit for a hydraulic engine with at least two speeds |
| 08/15/2006 | US7090472 Pump or motor with interconnected chambers in the rotor |
| 08/15/2006 | US7089847 Hydraulic cam motor |
| 08/15/2006 | US7089745 System for vaporization of liquid fuels for combustion and method of use |
| 08/08/2006 | US7086309 Planetary-harmonic motor |
| 08/02/2006 | CN1811204A Piston-type hydraulic cylinder with square bearing |
| 08/01/2006 | US7083402 Rotating fluid machine |
| 08/01/2006 | US7082756 Device for detecting failure of hydraulic motor, and hydraulic vehicle |
| 07/26/2006 | EP1367219B1 Rotary hydraulic machine |
| 07/26/2006 | EP1346153B1 Hydraulic motor device with displacement selector and a braking system. |
| 07/18/2006 | US7076949 System for multiple harnessing and complemented conversion of energy from sea waves |