| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 07/09/2008 | CN201083181Y Axle oil distribution linkage rod type hydraulic motor |
| 07/09/2008 | CN101216055A Hydraulic driving motor control device and its control method |
| 07/02/2008 | CN201080911Y Plunger type quantitative hydraulic motor switch torque-changing valve-controlled oil dispensing subassembly |
| 07/02/2008 | CN201080904Y Electro-hydraulic switch torque-changing oil-dispensing type rotating cylinder barrel type quantitative plunger piston hydraulic motor |
| 07/02/2008 | CN201080903Y Multiphase step plunger piston hydraulic motor |
| 06/26/2008 | WO2008075547A1 Radial pump/motor |
| 06/26/2008 | US20080148932 Hydraulic Motor |
| 06/25/2008 | EP1936134A2 Hydraulic motor |
| 06/25/2008 | EP1934471A1 Device for managing the displacement of a hydraulic motor or a group of hydraulic motors |
| 06/25/2008 | CN101205819A Hydraulic motor |
| 06/19/2008 | WO2008072338A1 Swash plate type piston pump motor |
| 06/19/2008 | DE102006058076A1 Hydraulischer Radialkolbenmotor Hydraulic radial piston engine |
| 06/19/2008 | CA2615536A1 Hydraulic motor |
| 06/11/2008 | CN201071785Y Tilt cylinder compound sleeve of oil hydraulic motor |
| 05/22/2008 | WO2008059760A1 Dual speed swash plate motor |
| 05/22/2008 | US20080115502 System for vaporization of liquid fuels for combustion and method of use |
| 05/21/2008 | CN101182836A Sintered composite machine part and manufacturing method thereof |
| 05/21/2008 | CN100389259C Electric control valve flow-distribution mechanism for crankshaft connecting rod type low-speed high-torque hydraulic motor |
| 05/14/2008 | CN100387832C Low speed great torque hydraulic drive mechanism |
| 05/13/2008 | US7370569 Hydraulic drive |
| 05/08/2008 | WO2008054589A1 Fluid motor |
| 04/30/2008 | CN100385125C High accuracy hydraulic synchronous proportional diverting current collector |
| 04/24/2008 | DE102007029670A1 Hydraulische Arbeitsmaschine Hydraulic machine |
| 04/23/2008 | CN201050441Y Hydraulic case rotary gear motor for machinery of coal mine |
| 04/23/2008 | CN100383387C Hydraulic pump and motor |
| 04/17/2008 | DE10022490B4 Hydrostatischer Nabenantrieb Hydrostatic drive hub |
| 04/16/2008 | EP1911969A1 Installation structure for swash plate support base, and hydraulic device |
| 04/09/2008 | CN201045324Y Hydraulic lever engines |
| 03/19/2008 | EP1625011B1 Hydraulic drive |
| 03/19/2008 | CN101144460A Energy reclaiming device |
| 03/13/2008 | WO2008029052A1 Hydraulic device comprising fastening means capable of transmitting a high torque |
| 03/13/2008 | WO2008012577A3 A method of operating a fluid-working machine and a fluid-working machine |
| 03/11/2008 | US7340893 Steam generator system |
| 03/06/2008 | WO2008026501A1 Hydraulic rotation machine |
| 02/27/2008 | CN201027595Y Hydraulic engine |
| 02/21/2008 | WO2008020103A1 New hydroelectric installation using a hydraulic cylinder for harnessing small water courses |
| 02/20/2008 | CN101126369A Hydraulic pressure generating system |
| 02/14/2008 | WO2008017766A1 Compact hydraulic mechanism with radial pistons |
| 02/06/2008 | CN101117939A Linkage rod type hydraulic motor |
| 02/06/2008 | CN101117938A Oil distribution axle linkage rod type hydraulic motor |
| 01/31/2008 | WO2008012577A2 A method of operating a fluid-working machine and a fluid-working machine |
| 01/30/2008 | CN201013529Y Vertical type power machine |
| 01/30/2008 | CN100365275C Hydraulic machine |
| 01/29/2008 | US7322198 System for vaporization of liquid fuels for combustion and method of use |
| 01/29/2008 | US7322189 Wide bandwidth farms for capturing wave energy |
| 01/24/2008 | WO2008009131A1 Wave transducer having variable energy piston assembly |
| 01/24/2008 | US20080019845 Fluid Pressure Motor |
| 01/23/2008 | EP1881196A1 Axial piston pump or motor of the swashplate or bent axis type |
| 01/08/2008 | CA2463033C Radial piston hydraulic motor and method in the control of a radial piston hydraulic motor |
| 01/02/2008 | CN200999629Y Hydraulic rotary motor for engineering machinery |
| 12/27/2007 | WO2007122643A8 Hydraulic motor having radial cylinders and continuous variable displacement |
| 12/27/2007 | US20070298980 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 |
| 12/26/2007 | EP1869325A1 Fluid-working machines |
| 12/26/2007 | CN200996299Y Hydraulic walking motor for engineering machinery |
| 12/25/2007 | US7310944 Wave energy converters (WECs) with velocity multiplication |
| 12/21/2007 | WO2007115828A8 Hydraulic motor with axial pistons |
| 12/19/2007 | EP1173677B1 A device comprising a combination of a chamber and a piston |
| 12/13/2007 | WO2007140869A1 Hydrostatic piston machine and thrust ring for a brake device of the former |
| 12/13/2007 | WO2007140868A1 Axial piston machine having a hydrostatic support of the hold-down |
| 12/13/2007 | WO2007140867A1 Axial piston machine having a hydrostatically mounted cradle journal |
| 12/12/2007 | CN101087948A Piston pump with at least one piston element |
| 12/11/2007 | US7305823 Active impedance matching systems and methods for wave energy converter |
| 12/06/2007 | DE102006025969A1 Hydrostatische Kolbenmaschine und Druckring für eine Bremseinrichtung derselben Hydrostatic piston machine and thrust ring for a braking device of the same |
| 11/22/2007 | DE19913277B4 Hydraulische Steueranordnung, insbesondere für eine Winde A hydraulic control arrangement, particularly for a winch |
| 11/21/2007 | CN101074658A Constant plunger hydraulic motor with rotary cylinder with electrohydraulic valve variable torque feeding oil |
| 11/21/2007 | CN101074644A Primary design of green engine |
| 11/07/2007 | CN100347454C Automatic transmission mechanism of hydraulic motor |
| 11/02/2007 | WO2006115597A2 Integrated ngl recovery and lng liquefaction |
| 11/01/2007 | WO2007122644A1 A radial cylinder hydraulic |
| 11/01/2007 | WO2007122643A1 Hydraulic motor having radial cylinders and continuous variable displacement |
| 10/31/2007 | CN100346081C Arrangement for controlling a hydraulically driven motor |
| 10/18/2007 | WO2007117146A1 Piston engine |
| 10/18/2007 | WO2007115828A1 Hydraulic motor with axial pistons |
| 10/11/2007 | WO2007113449A1 Piston for radial piston hydraulic engine and method for making same |
| 10/11/2007 | WO2007113443A1 Piston for a radial piston hydraulic engine and method for making same |
| 10/11/2007 | US20070234717 Alternative Methods to Generate High Pressure by Iteration in a High-Pressure Multichamber |
| 10/10/2007 | EP1350990B1 Device for detecting failure of hydraulic motor, and hydraulic vehicle |
| 10/10/2007 | EP1350011B1 Hydraulic device |
| 10/10/2007 | EP1285170B1 Hydraulic percussion/pressing device |
| 10/03/2007 | CN100340764C 液压马达 Hydraulic motor |
| 09/26/2007 | CN101044317A Hydrostatic axial piston machine and use of said machine |
| 09/20/2007 | WO2007104496A1 Combined pump housing for several rated quantities |
| 09/12/2007 | EP1831548A1 Piston pump with at least one piston element |
| 09/12/2007 | CN101033727A Plunger-type quantitative hydraulic motor on-off changeable torque valve-controlled oil distributing components |
| 09/11/2007 | US7267042 Hydraulic motor with telescopic propulsion members retained sealingly against associated contact surfaces by internal resilient means |
| 09/05/2007 | EP1828600A1 Piston arrangement of a hydraulic piston machine |
| 08/29/2007 | EP1826400A1 Fluid pressure motor |
| 08/23/2007 | DE19624533B4 Hydraulischer Einzelradantrieb Hydraulic Single wheel |
| 08/16/2007 | WO2007038401A3 Independent displacement opposing pump/motors and method of operation |
| 08/16/2007 | DE10135800B4 Druckmittelaggregat mit kontinuierlich steuerbarem Strömungsquerschnitt in der Umsteuerung Pressure means unit with continuously controllable flow cross-section in the reversing |
| 08/15/2007 | EP1030057B1 Hydraulic pump or motor |
| 08/01/2007 | EP1689967A4 Drilling apparatus with anti-vibration inertial body |
| 08/01/2007 | CN2929235Y Micro no-power consumption waste water automatic recovery device |
| 08/01/2007 | CN101008371A Oil motor used in hydraulic bicycle |
| 07/25/2007 | CN2926568Y 液压发动机 Hydraulic engine |
| 07/25/2007 | CN101006272A Installation structure for swash plate support stand and liquid pressure device |
| 07/24/2007 | US7247116 Planetary motor |
| 07/11/2007 | CN1325822C Piston for internal combustion engine |
| 07/05/2007 | US20070151443 Hydraulic motor/pump |
| 07/04/2007 | EP1802867A1 Hydrostatic axial piston machine and use of said machine |