| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 11/11/2004 | US20040223864 Rotor shaft bearing design and coupling mechanism |
| 11/11/2004 | DE20310626U1 Gear for toothed gear pump has bores extending through each tooth from one tooth face to other, to relief crushing pressure |
| 11/10/2004 | EP1475540A1 Rotor Shaft Bearing Design and Coupling Mechanism |
| 11/10/2004 | EP1475539A2 Pump assembly |
| 11/10/2004 | EP1475538A2 Pump |
| 11/10/2004 | EP1475537A1 Screw pump |
| 11/10/2004 | EP1475536A2 Improvements in or relating to pumps |
| 11/10/2004 | CN2654904Y Series combined dual-purpose oil pump |
| 11/10/2004 | CN2654903Y Large displacement sliding plate self-priming pump |
| 11/10/2004 | CN1544815A Pin gear rotor and block fluid transportation apparatus |
| 11/10/2004 | CN1544814A Medium-high pressure gear pump having asymmetric double-circular-arc gear shape |
| 11/10/2004 | CN1175187C Oldham coupling for a scroll compressor |
| 11/09/2004 | US6814549 Liner for fluid pump motor |
| 11/04/2004 | US20040219046 Roller vane pump |
| 11/04/2004 | US20040219038 Internal gear pump |
| 11/04/2004 | US20040219036 Plastic rotor for pumps |
| 11/04/2004 | DE10304037A1 Ölmodul Oil module |
| 11/04/2004 | DE10296838T5 Zahnradpumpe Gear pump |
| 11/04/2004 | DE102004016440A1 Fördereinrichtung Conveyor |
| 11/03/2004 | EP1472434A2 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 11/03/2004 | CN2653176Y Double rotor volume pump |
| 11/03/2004 | CN1543541A 齿轮泵 Gear pumps |
| 11/02/2004 | US6810674 Fuel delivery system |
| 10/28/2004 | WO2004092588A1 Oil and vacuum pumps group for a motor vehicle engine |
| 10/28/2004 | US20040213688 Oil pump for automatic transmission |
| 10/28/2004 | US20040213680 Multistage gear pump |
| 10/28/2004 | DE10244562B4 Kältemittelverdichter Refrigerant compressor |
| 10/27/2004 | EP1471255A1 Vane pump |
| 10/27/2004 | EP1471250A1 Fuel Injection Pump |
| 10/27/2004 | CN2651469Y Gear pump with cover |
| 10/27/2004 | CN1540169A Concave cam mechanism |
| 10/26/2004 | US6808374 Sanitary design gear pump |
| 10/26/2004 | US6808121 Fluid pump |
| 10/21/2004 | WO2004090330A2 Screw pump |
| 10/21/2004 | WO2004072482A8 Rotor pump |
| 10/21/2004 | US20040208755 Oil pump apparatus |
| 10/21/2004 | US20040206315 System for the construction of pumps, compressor, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure |
| 10/20/2004 | EP1467822A1 Method to rough size coated components for easy assembly |
| 10/20/2004 | EP1328730B1 Internal geared wheel pump without a filler piece |
| 10/20/2004 | CN2649815Y Dual-rotor sliding-vane pump |
| 10/20/2004 | CN1538068A Roller member for roller pump with odd number of vanes |
| 10/14/2004 | US20040202565 Vane pump |
| 10/14/2004 | US20040202564 Gear pump |
| 10/14/2004 | US20040200350 Rotating fluid machine |
| 10/14/2004 | DE202004009057U1 Motor/Pumpen-Aggregat Motor / pump assembly |
| 10/13/2004 | EP1467101A1 Vane pump |
| 10/13/2004 | EP1384005A4 Variable displacement pump having a rotating cam ring |
| 10/13/2004 | CN2648111Y Sliding sheet type oil supply pump |
| 10/13/2004 | CN2648110Y Eccentric oil supply pump |
| 10/12/2004 | US6802702 Feed pump for fluidic media having sleeve bearing lubrication |
| 10/12/2004 | US6802489 Micro-fluidic valve with a colloidal particle element |
| 10/12/2004 | CA2311972C Pump/motor apparatus |
| 10/07/2004 | WO2004085798A1 Gerotor mechanism for a screw hydraulic machine |
| 10/07/2004 | DE10346597B3 Eccentric screw pump used for mixing mortar mixtures comprises a casing arranged in a cylindrical housing, and a screw-like rotor |
| 10/06/2004 | EP1464837A1 Balanced pressure gerotor fuel pump |
| 10/06/2004 | EP1463888A1 Device for pressure regulation of hydraulic pumps |
| 10/06/2004 | EP1334265A4 Fluid power transfer device |
| 10/06/2004 | CN2646421Y 旋转活塞式输油泵 Rotary piston pump |
| 10/06/2004 | CN2646420Y Vane pump |
| 10/06/2004 | CN2646419Y Asymmetric claw type dry vacuum pump |
| 10/06/2004 | CN1534195A 齿轮泵 Gear pumps |
| 10/06/2004 | CN1534185A 燃油喷射泵 Fuel injection pump |
| 09/30/2004 | WO2004083641A1 Hydraulic motor |
| 09/30/2004 | WO2004083604A1 Pump rotor |
| 09/30/2004 | US20040191103 Gear pump |
| 09/30/2004 | US20040191101 Internal gear pump |
| 09/30/2004 | US20040191074 Fuel injection pump |
| 09/29/2004 | EP1462654A1 Gearpump |
| 09/29/2004 | EP1462653A1 Internal gear pump |
| 09/29/2004 | EP1461534A1 Pump |
| 09/29/2004 | EP1461533A1 Pump |
| 09/29/2004 | CN2644710Y Horizontal type high pressure high volume three-screw pump |
| 09/29/2004 | CN2644709Y Eccentric double epicyclic gear drive rotor centrifugal pump |
| 09/29/2004 | CN1533479A Reduced wear pump rotor and pump comprisng same |
| 09/29/2004 | CN1532403A Inner gear pump |
| 09/28/2004 | US6796778 Fuel injection pump having throttled fuel path for fuel lubrication |
| 09/28/2004 | CA2317014C Series for compressed air motors with torque which can be theoretically output in a varied manner and a method for producing the individual compressed motors of said series |
| 09/28/2004 | CA2221487C Helical gear pump |
| 09/23/2004 | WO2004081385A1 Eccentric screw pump |
| 09/23/2004 | WO2004081347A1 Rotor for a helical hydraulic unit |
| 09/23/2004 | US20040184943 Fluid machinery |
| 09/23/2004 | US20040184942 Gerotor pump |
| 09/23/2004 | US20040184939 Feed pump |
| 09/23/2004 | US20040184911 Liquid seal pump of the helical screw type |
| 09/23/2004 | DE10308950A1 Hydraulic machine for use as drive motor or pump, has case having movable side windows which are formed with working bores for circulating hydraulic fluid, and which are provided to close working chambers |
| 09/22/2004 | EP1192357B1 Axial compensation in an inner geared pump for a closed circuit |
| 09/22/2004 | EP1097305B1 Screw pump |
| 09/22/2004 | EP1044332B1 Series for compressed air motors with torque which can be theoretically output in a varied manner |
| 09/22/2004 | CN2643028Y Automobile steering oil pump |
| 09/22/2004 | CN2643027Y Bidirectional flow circular arc gear oil pump |
| 09/22/2004 | CN2643026Y Rotary-valve pump |
| 09/22/2004 | CN1531629A Variable displacement pump having rotating cam ring |
| 09/22/2004 | CN1530550A 流体机械 Fluid Machinery |
| 09/22/2004 | CN1167881C Internal rotor with simplified planar tooth profile for rotary pump with internally engaged gears |
| 09/21/2004 | US6793472 Multi-plate hydraulic manifold |
| 09/16/2004 | US20040179953 Gear pump |
| 09/15/2004 | EP1457678A1 Gear pump |
| 09/15/2004 | EP1356208B1 Pump system comprising a hydraulic pump, particularly for a steering system |
| 09/15/2004 | CN2641326Y Novel double screw stem pump |
| 09/15/2004 | CN2641325Y Double rotator volume pump |