| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 07/05/2007 | DE102005061667A1 Planeten-Zahnradpumpe Planetary gear pump |
| 07/04/2007 | EP1803938A1 High integrated pump unit with electric motor |
| 07/04/2007 | EP1803921A2 Side feeding type external pump for lpg |
| 07/04/2007 | CN2918795Y Stainless steel screw pump |
| 07/04/2007 | CN1993551A Eccentric screw pump having conical sealing surfaces |
| 07/04/2007 | CN1991175A Variable displacement vane pump |
| 07/04/2007 | CN1324307C Non round gear and volumetric flowmeter using same |
| 07/04/2007 | CN1324239C Pump for generating pressure or negative pressure |
| 07/04/2007 | CN1324220C Rotary-piston machinery |
| 07/04/2007 | CN1323805C Pin gear rotor and block fluid transportation apparatus |
| 07/03/2007 | US7238012 Rotary pump |
| 06/28/2007 | US20070148027 Rotary pump provided with an axially movable blade |
| 06/28/2007 | US20070148011 Vane-cell pump provided with a deep-drawn metal-sheet pot |
| 06/27/2007 | EP1801419A2 Variable displacement vane pump |
| 06/27/2007 | EP1801418A1 Planetary gear pump |
| 06/27/2007 | CN2916192Y Gear pump |
| 06/27/2007 | CN2916191Y Medium pressure gear pump |
| 06/27/2007 | CN1987104A Planetary gear pump |
| 06/27/2007 | CN1987103A Gear oil pump for controlling automobile automatic speed changer |
| 06/26/2007 | US7234925 Screw pump |
| 06/26/2007 | US7234344 Vane pump and fuel vapor leakage check module having the same |
| 06/26/2007 | CA2272626C Method and apparatus for accurately dispensing liquids and solids |
| 06/21/2007 | WO2007069866A1 Fluid pump |
| 06/21/2007 | WO2007068101A1 Noise reduced variable displacement vane pump |
| 06/21/2007 | WO2007041224A3 Hydrogen g-cycle rotary internal combustion engine |
| 06/21/2007 | US20070140883 Progressive cavity pump/motor stator, and apparatus and method to manufacture same by electrochemical machining |
| 06/21/2007 | US20070140882 Eccentric screw pump equipped with erosion-resistant rotor |
| 06/21/2007 | US20070137610 Rotary engine |
| 06/21/2007 | DE102006059131A1 Flüssigkeitspumpenanordnung Fluid pump assembly |
| 06/21/2007 | DE102005027439B4 Flügelpumpe Vane pump |
| 06/21/2007 | CA2638384A1 Noise reduced variable displacement vane pump |
| 06/20/2007 | EP1797327A1 Rotary piston pump comprising a pump housing and two double-bladed rotary pistons |
| 06/20/2007 | CN2913680Y Roller type liquid pump |
| 06/20/2007 | CN1982716A Vane pump |
| 06/20/2007 | CN1982715A Thin-fluid transferring equipment |
| 06/20/2007 | CN1982714A Oil pump for scroll compressor |
| 06/19/2007 | US7232297 Screw pump |
| 06/19/2007 | US7232295 Tempering method for a screw-type vacuum pump |
| 06/19/2007 | CA2562588A1 Axial flow positive displacement worm gas generator |
| 06/16/2007 | CA2571167A1 Axial flow positive displacement gas generator with combustion extending into an expansion section |
| 06/14/2007 | US20070134121 Screw pump |
| 06/14/2007 | US20070131197 Method for increasing the effect to be produced in a motor, pump or the like |
| 06/14/2007 | DE102005059563A1 Dosing pump e.g. gear pump, for dosing liquid surface coating medium, has notch receiving sealing ring that forms static radial sealing at outer diameter of ring, where ring is sealed between outer diameter of ring and notch |
| 06/14/2007 | DE10005779B4 Verfahren zur Verbesserung des Anlaufverhaltens einer Vorrichtung beim Übergang vom Pumpen- in den Motorbetrieb A method for improving the startup behavior of a device during the transition from the pump to the engine operating |
| 06/13/2007 | EP1794456A1 Non-metallic gear pump with magnetic coupling assembly |
| 06/13/2007 | EP1549478B1 Extruder/gear pump assembly |
| 06/13/2007 | EP1328729B1 Engine prelubrication pump assembly |
| 06/13/2007 | CN1978901A Fluid transportation apparatus |
| 06/07/2007 | US20070128065 Pump |
| 06/07/2007 | US20070128064 Meshing surfaces for intersecting vanes |
| 06/07/2007 | US20070128062 Eccentric Screw Pump Having Conical Sealing Surfaces |
| 06/06/2007 | EP1792682A1 Gear pump with herringbone gearing |
| 06/06/2007 | EP1791696A2 Pump inking units of a printing machine and printing mechanism with a pump inking unit |
| 06/06/2007 | DE102006049361A1 Innenzahnradpumpe Internal gear pump |
| 06/06/2007 | DE102005053414A1 Vane-type pump, has cam ring with oval internal contour that is strongly curved, based on rotation direction of rotor in transient area between suction face and press side, at region around preset degree to center axis |
| 06/06/2007 | CN2908862Y Three-cam rotor pump |
| 06/06/2007 | CN1975167A Double-rotary pump |
| 06/06/2007 | CN1975166A Oil pump of scroll compressor |
| 06/06/2007 | CN1320276C Gear pump |
| 06/05/2007 | US7226280 Roots vacuum pump |
| 06/05/2007 | US7226279 Gerotor mechanism for a screw hydraulic machine |
| 06/05/2007 | US7225889 Downhole motor locking assembly and method |
| 06/05/2007 | US7225789 Sealing intersecting vane machines |
| 06/05/2007 | CA2309286C Progressing cavity pump production tubing having permanent rotor bearings/core centering bearings |
| 05/31/2007 | WO2007062116A1 Internal combustion engine |
| 05/31/2007 | WO2007060190A1 Positive-displacement pump |
| 05/31/2007 | WO2006099842A8 Clamping device |
| 05/31/2007 | DE102005056909A1 Hydraulic gearwheel machine e.g. reversible outer gear wheel motor, for mobile hydraulic system, has covers with front recesses, where one recess is coupled with leakage oil channel of support latches via grooves for forming oil flow path |
| 05/31/2007 | DE102005056766A1 Sliding vane pump for e.g. charging internal combustion engine, has rails formed such that inner and outer ends of vanes are along-moved to respective fixed form body and housing part, where rails have different distances to each other |
| 05/30/2007 | EP1790855A2 Hydraulic pump system with variable flow and pressure |
| 05/30/2007 | EP1790854A1 Gear pump |
| 05/30/2007 | EP1789682A1 Hybrid pump |
| 05/30/2007 | CN2906137Y 改进的外啮合齿轮油泵 Improved external gear pumps |
| 05/29/2007 | US7223082 Rotary compressor |
| 05/29/2007 | US7222601 Rotary valveless internal combustion engine |
| 05/24/2007 | WO2007058370A1 Iron-base sintered parts, process for production of iron-base sintered parts, and actuators |
| 05/24/2007 | WO2006018848A3 Rotary fluid-driven motor with sealing elements |
| 05/24/2007 | DE102005051875A1 Vane cell motor, comprises vane, which is connected with spindle, such that vane can be oscillated during rotation of spindle perpendicular to spindle |
| 05/24/2007 | CA2630859A1 Pump apparatus and methods for using same |
| 05/23/2007 | EP1644641B1 Gear pump having optimal axial play |
| 05/23/2007 | CN2903480Y Piezoelectric type screw pump |
| 05/22/2007 | US7220111 Hydraulic pump |
| 05/22/2007 | US7220110 Compressor having a throttled-return passage connecting an oil accumulator to a seal container |
| 05/18/2007 | WO2007054056A1 Pump |
| 05/18/2007 | WO2007054055A1 Pump, particularly a van-cell vacuum pump |
| 05/18/2007 | WO2007033473A3 Process for hardfacing a progressing cavity pump/motor rotor |
| 05/16/2007 | EP1784563A2 Concentric internal combustion rotary engine |
| 05/16/2007 | EP1461534B1 Pump |
| 05/16/2007 | CN2900865Y Inside engaged gear pump |
| 05/16/2007 | CN1965166A Magnetically driven gear pump |
| 05/16/2007 | CN1963209A Vane self-rotating type compressor |
| 05/16/2007 | CN1963203A External loop type rotary piston pump |
| 05/16/2007 | CN1316162C Medium-high pressure gear pump having asymmetric double-circular-arc gear shape |
| 05/10/2007 | WO2007051360A1 A radially sliding pump |
| 05/10/2007 | WO2006132769A3 Gear machine for combining two fluid streams and associated method |
| 05/10/2007 | US20070104604 Scoll fluid machine |
| 05/10/2007 | US20070104603 Scroll and manufacture method therefor |
| 05/10/2007 | US20070104602 Scroll fluid machine |
| 05/10/2007 | US20070104595 Eccentric Screw Pump With Integrated Drive |
| 05/10/2007 | DE102005053636A1 Vane cell pump, preferably for charging internal combustion engines, has vane ends remote from rotary housing part guided in axial guide with different distances from rotation point over its path |