| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 09/05/2007 | CN101029642A Variable gear pump |
| 09/05/2007 | CN101029641A Large-flow high-pressure pump |
| 09/05/2007 | CN101029640A Sliding-block hydraulic pump and motor |
| 09/05/2007 | CN100335807C Fluid dispensation method |
| 09/05/2007 | CN100335793C 油压泵 Hydraulic pump |
| 09/05/2007 | CN100335791C Discharge porting design for screw compressor |
| 09/05/2007 | CN100335788C Hydraulic gear pump |
| 09/05/2007 | CN100335787C High shearing strengthening pump special for water coal paste |
| 09/04/2007 | US7264455 Rotary positive displacement hydraulic machines |
| 09/04/2007 | US7264452 Rotor position control for rotary machines |
| 08/30/2007 | WO2007096943A1 Gear pump |
| 08/30/2007 | WO2007096080A1 Pump unit |
| 08/30/2007 | WO2007095824A1 A oil pump |
| 08/30/2007 | US20070201998 Rotary Working Machine Provided With An Assembly Of Working Chambers With Periodically Variable Volume, In Particular A Compressor |
| 08/30/2007 | US20070201996 Motor-compressor unit mounting arrangement for compressors |
| 08/30/2007 | US20070199408 Inner and outer rotors made of a sintered copper alloy composed of 12 to 50 % by mass Ni, 5 to 20 % Sn, 0.5 to 5 % C, optionally Zn and/or C, and the balance Cu; corrosion resistance |
| 08/30/2007 | DE102006007519A1 Einstellbarer Segmentverdränger Adjustable Segmentverdränger |
| 08/29/2007 | CN200940568Y Mixed transport double screw pump |
| 08/29/2007 | CN200940567Y Inclined oil hole machine oil pump |
| 08/29/2007 | CN200940566Y Rotor for shaded pole micro water draining pump |
| 08/29/2007 | CN101027488A Internal gear compressor |
| 08/28/2007 | US7261526 Cylinder for a vane motor |
| 08/23/2007 | WO2007093592A1 Rotary pump and method for producing a pump housing of a rotary pump |
| 08/23/2007 | DE102006008029A1 Hydraulic pump, for a power assisted steering system, has a housing with an end flange section for fitting to a motor/pump assembly |
| 08/23/2007 | DE102006007554A1 Feed pump for a urea solution, to treat heavy vehicle motor exhaust gases, is an electromotor with an integrated gear pump of two meshing cogwheels rotated by a magnetic field |
| 08/22/2007 | EP1820969A1 Hydraulic pump, in particular of an electric pump unit for the power steering of an automobile |
| 08/22/2007 | EP1820968A2 Scroll fluid machine |
| 08/22/2007 | EP1820935A1 Vane pump housing |
| 08/22/2007 | CN2937559Y Vane pump of hydraulic motor |
| 08/22/2007 | CN2937558Y Short lead three-screw pump for grinding machine |
| 08/22/2007 | CN2937557Y Oil pump of boss upporting machine |
| 08/22/2007 | CN1333170C High temperature screw pump |
| 08/21/2007 | US7258535 Sealing features for a pump and ink jet printer mounting the pump |
| 08/16/2007 | US20070189914 Rotary engine seal assembly |
| 08/15/2007 | EP1818502A2 Vane pump |
| 08/15/2007 | EP1364127B1 Internal gear pump that does not contain any filler elements |
| 08/15/2007 | EP1282777B1 Rotating piston pump |
| 08/15/2007 | CN2934664Y Bi-directional gear pump |
| 08/15/2007 | CN2934663Y Horizontal conjuncted three-screw pump set |
| 08/15/2007 | CN101016897A Blade wheel roller pump |
| 08/14/2007 | US7255545 Double-lobe type rotor design process |
| 08/14/2007 | US7255544 Housing including shock valves for use in a gerotor motor |
| 08/14/2007 | US7255543 Scroll compressor and air-conditioning system for vehicle using the scroll compressor |
| 08/14/2007 | US7255542 Compressor with check valve orientated at angle relative to discharge tube |
| 08/09/2007 | WO2005110251A3 Surgical pneumatic motor for use with mri |
| 08/09/2007 | US20070182259 Electric pump unit |
| 08/09/2007 | DE102005058911B3 Hydraulische Maschine Hydraulic machine |
| 08/08/2007 | EP1816351A2 Hydraulic handling device |
| 08/08/2007 | EP1616099B1 Sintered metal rotor of a rotary piston pump |
| 08/08/2007 | CN2931861Y Pump installation |
| 08/08/2007 | CN2931860Y External gear pump unloading on addendum of gear |
| 08/08/2007 | CN2931859Y Gear engagement structure of oil pump |
| 08/08/2007 | CN101014758A Concentric internal combustion rotary engine |
| 08/08/2007 | CN101012757A Axial lateral plate of bidirectional hydraulic gear oil pump and motor |
| 08/02/2007 | WO2007085437A1 Eccentric screw pump |
| 08/02/2007 | DE102006004311A1 Hydraulic system with volumetric flow control valve has load force dependency superposed on load force independently controlled volumetric flow in basic layout of flow control valve |
| 08/01/2007 | EP1813812A1 Progressive cavity pump |
| 08/01/2007 | EP1812713A1 Variable delivery vane pump, in particular for oil |
| 08/01/2007 | EP1812712A1 Variable delivery vane oil pump |
| 08/01/2007 | EP1812711A1 Variable-delivery vane pump, in particular for oil |
| 08/01/2007 | EP1812685A2 A motor driven by pressure medium supplied from an external pressure source |
| 08/01/2007 | CN2929259Y Vane pump |
| 08/01/2007 | CN2929258Y Improved gear medicine pump |
| 08/01/2007 | CN2929257Y Internal cycloidal rotor type machine oil pump |
| 08/01/2007 | CN101010513A Vane pump using line pressure to directly regulate displacement |
| 08/01/2007 | CN101008384A 电动泵 Electric pump |
| 07/31/2007 | CA2449636C Hot melt adhesive dispensing applicator assembly with independent gear pump assemblies |
| 07/26/2007 | WO2007083872A1 Rotor structure of rotary positive displacement pump |
| 07/25/2007 | EP1809905A1 Vane pump using line pressure to directly regulate displacement |
| 07/25/2007 | EP1809898A2 Rotary fluid-driven motor with sealing elements |
| 07/25/2007 | EP1671036B1 Inlet hopper construction for a twin-screw pump |
| 07/25/2007 | EP1276992B1 Gear-wheel pump, in particular for a high-pressure fuel pump |
| 07/25/2007 | EP1126175B1 Rotary machine |
| 07/25/2007 | EP1095218B1 Internally profiled stator tube |
| 07/25/2007 | CN101006276A Eccentric screw pump with integrated drive |
| 07/25/2007 | CN101004172A Gear pump with built in outer controlled overflow valve |
| 07/24/2007 | US7247009 Scroll compressor with slider block having upper surface over enlarged area |
| 07/24/2007 | US7247008 Cam ring bearing for fuel delivery system |
| 07/24/2007 | US7247005 Oil seal arrangement |
| 07/19/2007 | DE102006038946A1 Rotary vane pump or motor for pumping fluid or producing torque has radial movement of vanes controlled by parabolic sliding track |
| 07/18/2007 | EP1807625A1 Vane pump consisting a two-part stator |
| 07/18/2007 | EP1807624A1 Rotary displacement pump comprising scraper and guide of the scraper |
| 07/18/2007 | EP1807546A1 Coating of displacer components (tooth components) for providing a displacer unit with chemical resistance and tribological protection against wear |
| 07/18/2007 | CN2924082Y Rotary sliding vane pump |
| 07/18/2007 | CN2924081Y cycloid two-phase cam sliding-teeth pump |
| 07/18/2007 | CN2924080Y High oil-suction-performance lubricating gear pump |
| 07/18/2007 | CN2924079Y Planetary hydraulic pump |
| 07/18/2007 | CN101000052A Rotor for rotation type displacement pump |
| 07/17/2007 | CA2417565C Stator for down hole drilling motor |
| 07/11/2007 | EP1805396A1 Vane for a rotary pump |
| 07/11/2007 | CN2921374Y Power steering oil pump for heavy-duty truck |
| 07/11/2007 | CN2921373Y High-pressure water pump |
| 07/11/2007 | CN2921372Y Assembling multi-section cam piston pump |
| 07/11/2007 | CN1325799C Reduced wear pump rotor and pump comprisng same |
| 07/10/2007 | US7241122 Internal gear pump with recesses on the gear bearing surfaces |
| 07/10/2007 | US7240656 Electric oil pump |
| 07/10/2007 | CA2343238C High efficiency gear pump for pumping highly viscous fluids |
| 07/05/2007 | WO2007073958A1 Delivery pump |
| 07/05/2007 | WO2006125010A3 Balancing plate-shuttle ball |
| 07/05/2007 | DE102005061880A1 Delivery pump e.g. for fuel injection systems of internal combustion engines, has housing part in which delivery elements are mounted and fuel is delivered by delivery elements from suction region to pressure region |