| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/11/2011 | US7866965 Inner gear being biased to pump cover due to meshing of inner and outer gears |
| 01/11/2011 | US7866963 Variable delivery vane oil pump, in particular for oil |
| 01/11/2011 | US7866297 Rotary heat engine |
| 01/11/2011 | US7866284 Oscillating piston engine |
| 01/06/2011 | WO2011000996A1 Peripheral pump-turbine |
| 01/06/2011 | WO2011000050A1 Rotary device |
| 01/06/2011 | US20110002797 Rotary machine |
| 01/05/2011 | EP2268899A1 Pump, particularly vane pump |
| 01/05/2011 | EP2268898A1 System for construction of pumps, compressors and rotary engine composed of two rotors with one, two or more displacer's each, that move themselves in the same direction at speeds that are varying and alternativly opposite each other |
| 01/05/2011 | DE102009031634A1 Pump e.g. displacement pump, for use as power or work machine for delivering gaseous, liquid fluid or particle stream, has housing with inlet and outlet for fluid, and sealing surfaces formed with roller bodies of roller bearings |
| 01/05/2011 | CN201696292U Rotary cylinder piston liquid pump |
| 01/05/2011 | CN201696291U Offset oil well screw pump driving device |
| 01/05/2011 | CN201696290U Environment-friendly energy-conserving emission-reducing power machine |
| 01/05/2011 | CN201696289U Internal engaged gear pump |
| 01/05/2011 | CN101939544A Device for dividing a flow equally between two or more objects |
| 01/05/2011 | CN101936291A Vane pump |
| 01/05/2011 | CN101092257B Method and device of desalination process by reverse osmosis for water |
| 01/04/2011 | US7862311 Variable displacement vane pump |
| 12/30/2010 | US20100329913 Progressing cavity pump adapted for pumping of compressible fluids |
| 12/30/2010 | DE102009030655A1 Vorrichtung und Verfahren zum Transport von Fluidmedium Device and method for transport of fluid medium |
| 12/30/2010 | DE102009024241A1 Crescent pump for supplying lubricating oil for internal-combustion engine, has sickle with circular arc-shaped front and rear internal contour areas during pumping operation of pump, where areas exhibit different larger radius |
| 12/29/2010 | WO2010150388A1 Gear pump |
| 12/29/2010 | WO2010148486A1 Rotary device |
| 12/29/2010 | WO2010100134A3 Eccentric screw pump |
| 12/29/2010 | CN101929459A Automobile hydraulic power steering blade pump |
| 12/29/2010 | CN101476559B Variable displacement pump |
| 12/28/2010 | US7857606 Variable displacement pump |
| 12/28/2010 | US7857092 Internal gear pump and power steering device |
| 12/23/2010 | WO2010146087A2 A variable-displacement lubricant pump |
| 12/23/2010 | WO2010145862A2 Fuel pump |
| 12/23/2010 | WO2010145633A2 Vacuum pump |
| 12/23/2010 | WO2010145435A1 Vane pump/motor |
| 12/23/2010 | US20100322810 Pump assembly for synchronous pressurization of two fluid circuits |
| 12/23/2010 | US20100322808 Progressing Cavity Pump/Motor |
| 12/23/2010 | US20100322805 Method of controlling a gear pump as well as an application of the method |
| 12/23/2010 | DE102009026964A1 Brennstoffpumpe Fuel pump |
| 12/22/2010 | EP2264318A1 A variable-displacement lubricant pump |
| 12/22/2010 | EP2264317A1 Two-phase heat-exchange method and device with bearing-mounted gear pump |
| 12/22/2010 | CN201679718U Viscous material conveying pump |
| 12/22/2010 | CN201679717U Translational ring rotor pump |
| 12/22/2010 | CN201679716U Gear pump for food processing |
| 12/22/2010 | CN201679715U Gear pump for processing food |
| 12/22/2010 | CN201679714U Food processing gear pump with improved structure |
| 12/22/2010 | CN101922448A Multi-level combined pump |
| 12/22/2010 | CN101922347A Double-rotation four-cycle piston type double-shaft internal combustion engine, pressure flow driver and pump |
| 12/21/2010 | US7854602 Rotary compressor for changing compression capacity |
| 12/21/2010 | US7854601 Lubricant-tight vane rotary vacuum pump |
| 12/21/2010 | CA2507291C Progressing cavity pump or motor |
| 12/16/2010 | WO2010142842A1 Method and device for the precise regulation of a liquid flow |
| 12/16/2010 | WO2010072478A3 Internal gear pump |
| 12/16/2010 | US20100316519 Friction drive pump for transfer cases, etc. |
| 12/16/2010 | US20100316518 Progressing Cavity Pump/Motor |
| 12/16/2010 | US20100316507 Split discharge vane pump and fluid metering system therefor |
| 12/15/2010 | EP2261508A1 Oil pump |
| 12/15/2010 | CN201672232U Main shaft direct transmission rotor type engine oil pump |
| 12/15/2010 | CN201671811U Medium- and low-voltage two-screw pump |
| 12/15/2010 | CN201671801U Hydraulic driving screw pump with balance device |
| 12/15/2010 | CN101915238A Overload-protection thick liquid pump |
| 12/14/2010 | US7849822 Reciprocating rotation type engine and power transferring device and hybrid system using the same |
| 12/14/2010 | CA2461201C An inverted motor for drilling |
| 12/09/2010 | WO2010140011A1 Medium transmission unit with circulation blades for the realisation of even medium transmission |
| 12/09/2010 | US20100307142 SCR system and method for the purging thereof |
| 12/08/2010 | EP2257693A1 Pump, particularly vane pump |
| 12/08/2010 | EP1861623B1 Vane machine, in particular vane pump |
| 12/08/2010 | CN201666249U Hand-operated gasoline pump |
| 12/08/2010 | CN1878652B Gear pump |
| 12/08/2010 | CN101907092A Conjugated sleeve pump |
| 12/08/2010 | CN101460744B Combined gas and liquid pump |
| 12/08/2010 | CN101418773B High performance spherical hydraulic motor |
| 12/08/2010 | CN101328890B Translation type rotary compressing device |
| 12/08/2010 | CN101292087B Net-displacement control method of fluid motors and pumps |
| 12/08/2010 | CN101052806B Vane pump or roller vane pump |
| 12/07/2010 | US7845922 Vane pump |
| 12/07/2010 | US7845332 Rotary engine with vanes rotatable by compressed gas injected thereon |
| 12/07/2010 | CA2153653C Growth differentiation factor-9 |
| 12/02/2010 | WO2010138825A2 Compressor having piston assembly |
| 12/02/2010 | WO2010138821A2 Compressor having capacity modulation or fluid injection systems |
| 12/02/2010 | WO2010136015A2 Pump, particular vane-type pump |
| 12/02/2010 | WO2010060416A3 Sliding vane pump |
| 12/02/2010 | WO2010034491A3 Device for branching off a fluidic partial flow |
| 12/02/2010 | US20100304262 Controlled-Clearance Sealing Compressor Devices |
| 12/02/2010 | DE102010011687A1 Internal gear pump for use in motor vehicle, has delimited pressure chamber between inner wall of pump housing and outer surface of hollow wheel, where pressure chamber is associated with high pressure side and constitutes angular range |
| 12/01/2010 | EP2256345A2 Stator for an eccentric screw pump or an eccentric screw motor and method for producing a stator |
| 12/01/2010 | CN201661462U Double-acting rotor piston type pressure limiting variable pump |
| 12/01/2010 | CN201661461U Inner gearing oil pump for constant-direction oil supply |
| 12/01/2010 | CN201661316U High temperature gear hydraulic motor |
| 12/01/2010 | CN101900111A Compressor |
| 12/01/2010 | CN101900110A Eccentric double-cycloid rotor pump |
| 12/01/2010 | CN101900109A Hydraulic machine |
| 12/01/2010 | CN101560973B Double-cycloid rotor variable pump |
| 12/01/2010 | CN101344067B Oil distribution disk and continuous slewing electro-hydraulic servo motor using the same |
| 11/30/2010 | US7841846 Vane pump with improved internal port placement |
| 11/25/2010 | WO2010135548A1 Variable displacement pumps and vane pump control systems |
| 11/25/2010 | WO2010112108A3 Screw spindle pump arrangement |
| 11/25/2010 | DE102008047516B4 Pumpe Pump |
| 11/24/2010 | EP2253847A1 Variable capacity lubricant vane pump |
| 11/24/2010 | EP2252795A2 Fuel pump |
| 11/24/2010 | EP2252768A2 Nano particle reinforced polymer element for a stator and rotor assembly |
| 11/24/2010 | CN201650726U Roller type fuel pump |
| 11/24/2010 | CN201650725U Gear pump |