| Patents for F03C 2 - Rotary-piston engines (2,448) |
|---|
| 07/04/2012 | CN102536624A Spherical-vane hydraulic motor |
| 07/04/2012 | CN102536445A Power generation and/or transmission mechanism and device for piston type power machine |
| 07/04/2012 | CN102003213B Planetary type rotary piston actuating mechanism based on fluid pressure |
| 07/03/2012 | US8210151 Volume expansion rotary piston machine |
| 06/26/2012 | US8206140 Revolving vane compressor |
| 06/26/2012 | US8206139 Rotary compressor and refrigeration cycle equipment |
| 06/20/2012 | CN202280569U 汽车液压马达转子 Automotive hydraulic motor rotor |
| 06/20/2012 | CN202280568U 汽车液压马达定子 Automotive hydraulic motor stator |
| 06/20/2012 | CN102506023A Gear pump |
| 06/19/2012 | US8202070 Spherical positive displacement rotary machine |
| 06/14/2012 | WO2012075625A1 Distributor assembly for two-speed gerotor device |
| 06/14/2012 | DE102008063500B4 Hydraulische Maschine Hydraulic machine |
| 06/13/2012 | CN101523046B Compressor slide valve support |
| 06/12/2012 | DE202012003347U1 Hydraulikmotor Hydraulic motor |
| 06/06/2012 | CN202266606U 用于单方向旋转液压马达的双头键 For one direction of rotation of the hydraulic motor double bond |
| 06/06/2012 | CN202266369U 一种碟形弹簧加厚的液压马达 One kind of disc springs thicker hydraulic motor |
| 06/05/2012 | US8192185 Expander-compressor unit |
| 05/30/2012 | CN202250590U Hydraulic motor |
| 05/30/2012 | CN202250589U Hydraulic revolution body |
| 05/30/2012 | CN202250245U Automatic protection structure of gear motor rotating oil seal |
| 05/30/2012 | CN102477979A 滑板式单双作用定变量泵或马达 Skateboard-style single and double action given variable pump or motor |
| 05/30/2012 | CN102477936A 一种三角转子液压马达 Triangular rotor hydraulic motor |
| 05/30/2012 | CN101466918B Rotor with cut-outs |
| 05/29/2012 | US8186983 Gas compressor having a check valve |
| 05/29/2012 | US8186981 Scroll compressor having a spring member pressing an eccentric shaft onto a slide face of a slide bush |
| 05/29/2012 | CA2759473A1 Downhole motor or pump components, methods of fabrication the same, and downhole motors incorporating the same |
| 05/23/2012 | CN202228265U Double-speed hydraulic motor |
| 05/22/2012 | US8182253 Multi-cylinder rotary compressor and refrigeration cycle equipment |
| 05/22/2012 | US8182251 Expander-compressor unit |
| 05/22/2012 | US8182250 Gerotor motor and brake assembly |
| 05/22/2012 | US8182249 Sealed type scroll compressor |
| 05/15/2012 | US8177536 Rotary compressor having gate axially movable with respect to rotor |
| 05/15/2012 | US8177532 Expander and expander-compressor unit |
| 05/09/2012 | CN202215425U Oil pressure type plunger roller mechanism |
| 05/08/2012 | US8172561 Metal part and method of manufacturing metal part |
| 05/08/2012 | US8172560 Fluid machinery having annular back pressure space communicating with oil passage |
| 05/08/2012 | US8172559 Horizontal type electric compressor |
| 05/08/2012 | US8172558 Rotary expander with discharge and introduction passages for working fluid |
| 05/02/2012 | CN102434383A Rear shaft output plane valve cycloid hydraulic motor |
| 05/02/2012 | CN102434382A Radial piston rolling ball type end face valve low-speed high-torque hydraulic motor |
| 05/02/2012 | CN102434378A Integral hydraulic motor for hydraulic air conditioner |
| 05/01/2012 | US8167597 Shaft bearings, compressor with same, and methods |
| 05/01/2012 | US8167594 Scroll compressor with materials to allow run-in |
| 04/26/2012 | DE19854155B4 Hydraulische Zahnradmaschine Hydraulic gear machine |
| 04/25/2012 | EP2443338A1 Rotary vane engines and methods |
| 04/25/2012 | CN202203038U 一种摆线液压马达壳体结构 One kind cycloid hydraulic motor housing structure |
| 04/18/2012 | CN102418657A 后轴输出轴配流摆线液压马达 Rear axle output shaft assignment cycloid hydraulic motor |
| 04/17/2012 | US8157553 Scroll compressor having a shifted gravity center |
| 04/17/2012 | US8157552 Rotary fluid pressure device and improved parking lock assembly therefor |
| 04/17/2012 | US8157551 Scroll compressor with back pressure pocket receiving discharge pressure fluid |
| 04/17/2012 | US8157550 Scroll compressor having spiral bodies with seal projections |
| 04/10/2012 | US8152505 Rotary expansible chamber device |
| 04/10/2012 | US8152504 Method of operation of a spherical positive displacement rotary machine and devices for carrying out said method |
| 04/10/2012 | US8152503 Baffle member for scroll compressors |
| 04/10/2012 | US8152502 Scroll compressor having guide ring supporting and urging seal member |
| 04/10/2012 | US8152501 Scroll compressor for preventing performance deterioration and variation due to gas leakage |
| 04/10/2012 | US8152499 Eccentric screw pump |
| 04/03/2012 | US8147231 Screw compressor having rotor casing with removable discharge opening neighborhood portion |
| 04/03/2012 | US8147230 Scroll compressor having rearwardly directed fluid inlet and outlet |
| 04/03/2012 | US8147229 Motor-compressor unit mounting arrangement for compressors |
| 04/03/2012 | US8147228 Progressing cavity pump/motor |
| 03/28/2012 | EP1846640B1 Compressor slide valve lubrication |
| 03/28/2012 | CN202176452U 一种可承受轴向力的液压马达 One kind can withstand axial forces hydraulic motors |
| 03/28/2012 | CN102392781A Hydraulic motor |
| 03/21/2012 | CN202170815U 动力机 Power machine |
| 03/20/2012 | US8137084 Interlocking device for holding body and flange of machines using bean-shaped dowels |
| 03/15/2012 | DE102010040958B3 Abdichtung des Rotors von Rotationskolbenmaschinen Sealing of the rotor of a rotary piston engines |
| 03/14/2012 | CN102374112A Rotor unit for cycle kinetic energy appreciation power generation |
| 03/13/2012 | US8133045 Self-aligning pump rotor and methods |
| 03/13/2012 | US8133044 Positive displacement capture device and method of balancing positive displacement capture devices |
| 03/08/2012 | DE102010017649B4 Kugelturbine Ball turbine |
| 03/06/2012 | US8128389 Positive-displacement machine design (variants) |
| 03/06/2012 | US8128388 Scroll-type expansion machine |
| 03/06/2012 | US8128387 Discharge chamber for dual drive scroll compressor |
| 02/29/2012 | CN202152691U Star rotating type rotating device |
| 02/22/2012 | CN102362073A Hydraulic toothed wheel machine |
| 02/21/2012 | US8118579 Gear pump |
| 02/21/2012 | US8118576 Oil rotary vacuum pump and manufacturing method thereof |
| 02/16/2012 | US20120039735 Variable capacity rotary compressor and air conditioning system having the same |
| 02/14/2012 | US8113805 Rotary fluid-displacement assembly |
| 02/14/2012 | US8113803 Lubricating system for aircraft drive |
| 02/09/2012 | WO2012016283A1 Screw turbine and method of power generation |
| 02/07/2012 | US8109748 Gear tooth and external gear pump |
| 02/07/2012 | US8109747 Drive system having a variable output gerotor pump |
| 02/07/2012 | US8109746 Progressing cavity pump/motor |
| 02/02/2012 | DE102004003335B4 Motorölsystem mit Verstellpumpe Engine oil system with variable |
| 02/01/2012 | CN102338026A Star rotary fluid motor |
| 02/01/2012 | CN102338025A Hydraulic motor capable of increasing power |
| 02/01/2012 | CN102337930A Star rotary rotation device |
| 01/25/2012 | CN202125399U Spiral fluid motor |
| 01/25/2012 | CN202125398U Hydraulic driving device |
| 01/24/2012 | US8100676 Rotor, a method for producing such rotor and a pump comprising such rotor |
| 01/17/2012 | US8096797 Roots type gear compressor with helical lobes having feedback cavity |
| 01/17/2012 | US8096792 Scroll type fluid machine with a rotation preventing cylindrical member |
| 01/11/2012 | CN102312767A Rotor and hydraulic motor using same |
| 01/10/2012 | US8092199 Scroll compressor including a plurality of shoulder sections |
| 01/04/2012 | CN202100454U Slideway type sliding piece hydraulic pump |
| 01/04/2012 | CN202100377U Hydraulic motor of non-circular planetary gear system |
| 01/04/2012 | CN101223363B Gear pump |
| 01/03/2012 | US8087915 Rotary pump with vane support divided into two half shells |