| Patents for F03C 1 - Reciprocating-piston liquid engines (2,799) |
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| 12/20/2012 | DE112010002759T5 Druckluft-Energiespeicher-System unter Verwendung von Zweiphasenströmung zur Förderung des Wärmeaustausches Compressed air energy storage system using two-phase flow to promote the heat exchange |
| 12/19/2012 | CN202611987U Hydraulic chain wheel rotary device |
| 12/19/2012 | CN202611986U Hydraulic type gear rotating device |
| 12/12/2012 | EP2531721A2 Axial piston engine and control plate |
| 12/12/2012 | EP2531720A1 Subassembly forming a hydrobase for hydraulic motors, and assembly method |
| 12/06/2012 | WO2012164199A2 Hydraulic transmission device that can form a compact hydraulic starter |
| 12/05/2012 | CN102812245A Bent axis type hydraulic rotating machine |
| 12/05/2012 | CN102812244A Hydraulic pump/motor and method for preventing pulsation of hydraulic pump/motor |
| 12/05/2012 | CN102812243A Valve plate, and axial piston hydraulic pump and axial piston hydraulic motor with same |
| 12/04/2012 | CA2536598C Wave energy converters (wecs) with velocity multiplication |
| 11/29/2012 | WO2012159725A1 Hydrostatic radial piston machine and piston for a hydrostatic radial piston machine |
| 11/29/2012 | DE102012009794A1 Hydrostatische Radialkolbenmaschine und Kolben für eine hydrostatische Radialkolbenmaschine Hydrostatic radial piston machine, and a plunger for a hydrostatic radial-piston machine |
| 11/28/2012 | CN102797621A Crankshaft link hydraulic motor |
| 11/21/2012 | CN202545014U 液体活塞内燃机 Liquid piston internal combustion engine |
| 11/21/2012 | CN101354032B Combination of chamber and piston pump, motor, shock absorber and transducer incorporating the combination |
| 11/14/2012 | CN102777316A Hydraulic motor, hydraulic motor device and construction mechanism with hydraulic motor device |
| 11/14/2012 | CN102155351B Hydraulic motor output device and hydraulic motor based on hydraulic motor output device |
| 11/08/2012 | WO2012150069A1 Axial piston machine having an inclined-axis construction |
| 11/07/2012 | CN202520475U Hydraulic motor based on digital flow distribution and speed regulation |
| 11/07/2012 | CN101421511B Hydraulic motor with axial pistons |
| 10/31/2012 | CN102758721A Self-circulating hydraulic power generator |
| 10/31/2012 | CN102758720A Radial piston used in hydraulic motor |
| 10/26/2012 | WO2012100094A3 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 10/24/2012 | EP2513470A2 Method for determining the displacement of a radial piston machine |
| 10/24/2012 | CN102753841A Electro-hydraulic drive system for a work machine |
| 10/24/2012 | CN102753817A Ring cam and fluid-working machine including ring cam |
| 10/24/2012 | CN102748202A Control method and system for torque of hydraulic pump motor |
| 10/24/2012 | CN101460740B Piston for radial piston hydraulic engine and method for making same |
| 10/23/2012 | US8291701 System for generating electrical power and potable water from sea waves |
| 10/17/2012 | EP2510192A1 Hydrostatic radial piston machine |
| 10/17/2012 | CN102734055A Oil cylinder driven power set |
| 10/16/2012 | CA2537111C Antirotational structures for wave energy converters |
| 10/11/2012 | WO2012138237A1 Impact energy conversion device |
| 10/10/2012 | CN202483792U Velocity measuring device of radial plunger hydraulic motor |
| 10/09/2012 | US8283613 Heat-pipe electric-power generating device |
| 10/03/2012 | CN202468151U Low-speed large-torque radial plunger type hydraulic motor |
| 10/03/2012 | CN102713285A Axial piston hydraulic rotating machine |
| 10/03/2012 | CN102713260A Fluid-working machine with multi-lobe ring cam |
| 10/03/2012 | CN102705153A Running water pressure engine |
| 10/02/2012 | US8276377 Method and apparatus for converting energy in a moving fluid mass to rotational energy driving a transmission |
| 09/26/2012 | CN102695871A Method for determining the displacement of a radial piston machine |
| 09/19/2012 | CN102686879A System for underwater compressed fluid energy storage and method of deploying same |
| 09/12/2012 | CN202431431U Liquid piston single-heat-source engine |
| 09/12/2012 | CN202431430U Liquid piston liquid-gas engine |
| 09/12/2012 | CN102661236A Digital distribution and speed regulation based hydraulic motor |
| 09/12/2012 | CN102661235A Speedometer for radial piston hydraulic motor |
| 09/07/2012 | WO2012117957A1 Swash plate-type motor |
| 09/07/2012 | WO2012116430A1 Variable displacement piston-in-piston hydraulic unit |
| 09/06/2012 | DE112010004561T5 Hydraulikmotor-Antriebsvorrichtung Hydraulic motor driving device |
| 09/05/2012 | EP2495441A1 Axial piston hydraulic rotating machine |
| 09/05/2012 | CN101713373B Four-stroke hydraulic free piston engine with variable stroke |
| 08/30/2012 | WO2012114589A1 Variable capacity hydraulic pump motor |
| 08/29/2012 | CN202402207U Open type heavy hydraulic motor |
| 08/29/2012 | CN102652206A Hydrostatic radial piston machine |
| 08/22/2012 | CN202391705U Novel wobble plate used for hydraulic plunger pump or hydraulic motor |
| 08/21/2012 | CA2550584C Hydraulic motor/pump |
| 08/15/2012 | CN202381248U Hydraulic motor piston |
| 08/15/2012 | CN102635493A Hydraulic motor with integrated self-locking mechanism |
| 08/09/2012 | WO2012104035A1 Piston assembly of a hydraulic piston motor and method for its manufacture |
| 08/08/2012 | CN202370741U Hydraulic cylinder type automobile engine |
| 08/08/2012 | CN102630279A Cooling structure for cylinder block and swash plate-type hydraulic device equipped with same |
| 08/01/2012 | EP2480790A2 System for underwater compressed fluid energy storage and method of deploying same |
| 08/01/2012 | CN202360297U Oyster type wave power generation device |
| 08/01/2012 | CN102619675A Seven parts individual effecting piston cylinder polarization type radial plunger motor |
| 08/01/2012 | CN102619564A Fluid suspension piston opposite vertex type fluid energy turbine |
| 08/01/2012 | CN102619563A Fluid energy turbine machine |
| 07/26/2012 | WO2012100094A2 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 07/26/2012 | CA2798756A1 Compressed air energy storage system utilizing two-phase flow to facilitate heat exchange |
| 07/25/2012 | CN202345331U Integral type hydraulic motor for hydraulic air conditioner |
| 07/25/2012 | CN102606383A Hydraulic chain wheel rotation device |
| 07/25/2012 | CN102606382A Offset type radial plunger motor of five-star single-action piston cylinder |
| 07/25/2012 | CN102606381A Four-pointed star-shaped single-action piston cylinder offset type radial plunger motor |
| 07/25/2012 | CN102606380A Offset type radial plunger motor of eight-star single-action piston cylinder |
| 07/25/2012 | CN102606379A Offset type radial plunger motor of six-star single-action piston cylinder |
| 07/25/2012 | CN102606378A Full water lubrication pass shaft type water hydraulic piston motor |
| 07/25/2012 | CN102606213A Rotary cylinder rotor pump power machine with rotating wheel curve motion structure |
| 07/25/2012 | CN101892968B Fluid power-generation shock damper of electric bicycle |
| 07/24/2012 | US8225611 System for vaporization of liquid fuels for combustion and method of use |
| 07/24/2012 | US8225605 Energy conversion system |
| 07/18/2012 | CN102597499A Control device for a hydraulic motor |
| 07/18/2012 | CN102588198A Novel oyster type wave energy generating device |
| 07/11/2012 | EP2473733A1 Control device for a hydraulic motor |
| 07/11/2012 | CN202326003U 多作用内曲线式径向柱塞液压马达 Role in the multi-curve radial piston hydraulic motor |
| 07/05/2012 | WO2012091630A1 Asymmetrical radial mechanical engine |
| 07/04/2012 | EP2472102A2 Hydraulic motor or pump with tangential pistons with annular or sectorial shape on ordinary or planetary gear for high torque, and power performance and hydraulic and mechanical efficiency. |
| 07/04/2012 | CN202300827U 液压马达式旋转推进油缸 Rotary hydraulic motor propulsion cylinder |
| 07/04/2012 | CN202300826U 恒频恒压液压发电机组 Constant Frequency constant pressure hydraulic turbines |
| 07/04/2012 | CN202300825U 一种斜轴式柱塞液压马达 A slant shaft piston hydraulic motor |
| 07/04/2012 | CN202300824U 平面通流低速大扭矩柱塞马达 Plane through-flow low speed high torque piston motor |
| 07/04/2012 | CN101881253B Cambered axle-type hydraulic variable motor |
| 06/20/2012 | EP2466119A1 Piston for radial piston engine |
| 06/20/2012 | EP1484500B1 Hydraulic motor |
| 06/20/2012 | CN102510950A Integrated electro-hydraulic device |
| 06/14/2012 | WO2012077157A1 Skew plate-type hydraulic rotary machine |
| 06/13/2012 | CN102493913A Shell turn type inner-curve radial plunger hydraulic motor |
| 06/13/2012 | CN102493912A Hydraulic oil cylinder type automotive engine |
| 06/06/2012 | CN202266368U 一种裙边加厚的液压马达活塞 One kind of hydraulic motor piston skirt thickening |
| 06/06/2012 | CN202266367U 一种支撑轴承与前盖连接的液压马达 A support bearing and a hydraulic motor connected to the front cover |
| 05/31/2012 | WO2012069734A1 Variable displacement hydraulic machine, in particular for a motor vehicle |
| 05/31/2012 | DE102010060814A1 Reciprocating engine e.g. steam engine, has pistons associated with rods such that one rod is connected to end on pistons and mounted with end at pin and other rod is mounted with end at another pin, and chambers defined by pistons |