| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 01/24/2007 | CN1902401A 内接型齿轮泵 Inscribed gear pump |
| 01/24/2007 | CN1900525A Double screw mixed transport pump gear type |
| 01/23/2007 | US7165955 Trochoid type oil pump |
| 01/18/2007 | WO2007007975A1 Volumetric rotary pump |
| 01/18/2007 | US20070014681 Retrorotating, post-rotating and birotating prime movers |
| 01/18/2007 | DE202006012594U1 Rotary piston assembly for use as e.g. prime mover, in e.g. coal mine, has multiple-shelled housing system in dependence of rotor type configuration such as mono-rotor or twin-rotor, where system is suitable for higher operating pressure |
| 01/18/2007 | DE102005037118B3 Double-flow screw pump with manifold bearings for supplying single/multi-phase mixtures has a drive spindle and a main arbor each with a central arrangement of bearings and screw-shaped workings |
| 01/18/2007 | DE102005030251A1 Gear pump for use in vehicle, has drive device or electric motor for driving outer and inner annular gears, in which rotation speed of drive device or electric motor is mechanically decoupled from torque generating or transmission mechanism |
| 01/18/2007 | CA2511305A1 Cement pump |
| 01/17/2007 | CN2859007Y Thermal insulation high viscosity three srew-rod pump |
| 01/17/2007 | CN2859006Y Automobile bridge used oil pump |
| 01/17/2007 | CN2859005Y Engine oil pump |
| 01/16/2007 | US7162993 Intersecting vane machines |
| 01/11/2007 | WO2007004503A1 Internal gear type pump with built-in motor and electronic device |
| 01/11/2007 | WO2007003456A1 Feed unit |
| 01/11/2007 | US20070009372 Oil pump for an internal combustion engine |
| 01/11/2007 | US20070009371 Scroll compressor with an eccentric pin having a higher contact point |
| 01/11/2007 | DE10157143B4 Wartungsintervallanzeige für Pumpen Service interval indicator for pumps |
| 01/10/2007 | EP1677965B1 Gear pump |
| 01/10/2007 | CN2856495Y Flow regulator of screw rod pump |
| 01/10/2007 | CN2856494Y Gear of polymer delivery gear pump |
| 01/04/2007 | US20070003425 Rotary fluid machine |
| 01/04/2007 | US20070003424 Scroll compressor with enhanced lubrication |
| 01/04/2007 | US20070003422 Unit for delivering fuel to an internal combustion engine |
| 01/04/2007 | DE112005000100T5 Ölpumpe und automatisches Getriebe, welches diese umfasst Oil pump and an automatic transmission which includes this |
| 01/04/2007 | DE102005030540A1 Förderaggregat Delivery unit |
| 01/03/2007 | EP1739307A2 Progressive cavity pump |
| 01/03/2007 | EP1739306A1 Rotary piston pump |
| 01/03/2007 | EP1738078A2 Stator for an eccentric screw pump or an eccentric screw motor according to the moineau principle |
| 01/03/2007 | EP1546560B1 Closed system rotary machine |
| 01/03/2007 | CN2854292Y Engine oil pump |
| 01/03/2007 | CN2854147Y Gear pump with separation mechanism |
| 01/03/2007 | CN2854143Y Gear pumping of automatic regulating seal |
| 01/03/2007 | CN2854113Y External rotor of vehicle electric injection fuel pump |
| 01/03/2007 | CN1293310C Device for axially conveying fluids |
| 01/02/2007 | US7156802 Rotary pump with hydrodynamically suspended impeller |
| 01/02/2007 | US7156628 Wobblestick with helix |
| 01/02/2007 | US7156625 Fuel pump with filter-absent safety valve and universal inlet and outlet |
| 01/02/2007 | US7156623 Electric oil pump apparatus |
| 01/02/2007 | US7156068 Rotary combustion engine |
| 12/28/2006 | WO2006136014A1 Gear pump with improved inlet port |
| 12/28/2006 | US20060292025 Electric internal gear pump |
| 12/28/2006 | US20060292024 Internal gear pump in combustion engine |
| 12/27/2006 | EP1736668A2 Stator for a progressive cavity pump and method of construction |
| 12/27/2006 | EP1735534A1 Displacement pump with a variable volumetric flow |
| 12/27/2006 | CN2851653Y Offset type pin vane pump |
| 12/27/2006 | CN2851652Y 星轮机构 Star Wheel mechanism |
| 12/27/2006 | CN1884836A Sealed volumetric vane pump |
| 12/27/2006 | CN1884835A Low-abrasion volumetric vane pump |
| 12/27/2006 | CN1884834A Double-screw mixing transmission pump |
| 12/26/2006 | US7153110 Variable volume flow internal gear pump |
| 12/26/2006 | US7152698 Downhole motor locking assembly and method |
| 12/22/2006 | CA2551292A1 Stator for an eccentric single-rotor screw pump and method for its production |
| 12/21/2006 | WO2006134337A1 A variable output pump |
| 12/21/2006 | WO2006133590A1 Compensated gear pump with modular components |
| 12/21/2006 | DE19909963B4 Verdrängerpumpe Displacement pump |
| 12/20/2006 | EP1733147A2 Stator for an eccentric spiral pump or an eccentric worm motor according to the moineau principle |
| 12/20/2006 | EP1733121A2 Magnetically driven gear pump |
| 12/20/2006 | EP1633980B1 Single-vane rotary pump or motor |
| 12/20/2006 | EP1354135B1 Miniature precision bearings for minisystems or microsystems and method for assembling such systems |
| 12/20/2006 | CN2849233Y External circulation type rotary piston pump |
| 12/20/2006 | CN2849232Y Portable high speed electric liquid conveying pump |
| 12/19/2006 | US7150612 Gear pump or motor |
| 12/19/2006 | US7150610 Gas compressor |
| 12/14/2006 | WO2006132769A2 Gear machine for combining two fluid streams and associated method |
| 12/14/2006 | WO2006131395A1 Rotary oscillating piston machine and method |
| 12/14/2006 | US20060280636 Double or multiple pump |
| 12/14/2006 | US20060280635 Arrangement and method for the mixing of particulate filling such as pieces of nougat or fruit into consumer ice mass |
| 12/14/2006 | DE19804345B4 Verfahren und Vorrichtung zum Herstellen von Pfeilgetrieberädern und Pumpen, die dieselben enthalten Method and apparatus for the manufacture of arrow gears and pumps, containing the same |
| 12/14/2006 | CA2652724A1 Fluid-flow system, device and method |
| 12/13/2006 | EP1731765A2 External gear pump for a propeller drivable in both directions |
| 12/13/2006 | EP1731764A1 Extruder with gear pump |
| 12/13/2006 | EP1731040A2 Arrangement and method for the mix of particulate filling into consumer ice mass |
| 12/13/2006 | EP1730423A1 Limited slip differential with friction using a pressure generating device |
| 12/13/2006 | CN2846807Y Two-stage external engaged gear wheel pump |
| 12/13/2006 | CN1878652A Gear pump |
| 12/13/2006 | CN1877125A Fluid conveying machine employing elliptic rotation and compression principle |
| 12/13/2006 | CN1289824C Method for processing rubber isopachous stator of screw pump |
| 12/13/2006 | CN1289818C Nutating centrifugal pump |
| 12/07/2006 | WO2006129657A1 Motor-integrated internal gear pump, method of producing the gear pump, and electronic apparatus |
| 12/07/2006 | WO2006129333A1 Vacuum pump for vehicle motors and a one-way valve for said vacuum pump |
| 12/07/2006 | WO2006128441A1 Screw displacement pump |
| 12/07/2006 | WO2005100749A3 Magnetically driven gear pump |
| 12/07/2006 | DE102005025816A1 Schraubenspindelpumpe Screw Pump |
| 12/06/2006 | EP1727985A1 Modular volumetric compressor |
| 12/06/2006 | EP1612370A4 Gerotor mechanism for a screw hydraulic machine |
| 12/06/2006 | CN2844505Y Planetary externally-meshed gear pump |
| 12/06/2006 | CN2844504Y Efficient petroleum mixed fuel delivery pump with double rotor |
| 12/06/2006 | CN2844503Y Liquid jetter |
| 12/06/2006 | CN1875190A Oscillating slide machine |
| 12/06/2006 | CN1875189A Double or multiple pump |
| 12/06/2006 | CN1873228A 一种齿轮泵 A GEAR pump |
| 12/05/2006 | US7144234 Flanged gear pump |
| 11/30/2006 | US20060269433 Discharge port for a scroll compressor |
| 11/30/2006 | US20060269432 Recesses for pressure equalization in a scroll compressor |
| 11/30/2006 | DE10207350C5 Volumenstromvariable Rotorpumpe Flow variable rotor pump |
| 11/30/2006 | DE102005024043A1 Vane pump comprises elastically deformable blades pre-tensioned against the inner surface so that the blades lie on the inner surface in the resting position and in the operating position of the pump |
| 11/29/2006 | EP1442220B1 Nutating centrifugal pump |
| 11/29/2006 | EP0865575B2 Double worm system |
| 11/29/2006 | CN2842014Y Engine oil pump |