| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 08/19/2009 | CN101509487A Noncircular stator inner loop curve single-action vane pump |
| 08/19/2009 | CN101509486A Liquid transmission pump |
| 08/19/2009 | CN100529402C Symmetrical form cavity pressurization and reclamation combination pump |
| 08/19/2009 | CN100529401C 机动泵 Motorized pump |
| 08/13/2009 | WO2009099584A1 Gerotor and method of assembling the same |
| 08/13/2009 | WO2009098773A1 Gear wheel pump or motor |
| 08/13/2009 | WO2009098352A1 Device for dividing a flow equally between two or more objects |
| 08/13/2009 | WO2009049879A3 Hydraulic motor in an annular ring design with a distributor plate which is integrated into the rotor housing |
| 08/13/2009 | US20090199724 Evacuation device |
| 08/13/2009 | DE102004030330B4 Sperrschieberpumpe Gate valve pump |
| 08/13/2009 | CA2712091A1 Device for dividing a flow equally between two or more objects |
| 08/12/2009 | EP2087240A2 A variable-displacement vane oil pump |
| 08/12/2009 | CN100526647C Method for machining screw pump stator with equal wall thickness |
| 08/12/2009 | CN100526646C Oil pump |
| 08/12/2009 | CN100526611C Hydraulic machine |
| 08/11/2009 | US7572117 Inner rotor of internal gear pump having convex small circular arc parts |
| 08/06/2009 | WO2009094815A1 A method and a device for plasticizing and transporting polymer material based on elongation rheology |
| 08/06/2009 | DE102008002763A1 Sliding vane pump, particularly for power steering of commercial motor vehicles, has rotor that consists of radially moving wing guided in slot, where wing forms wing head which with contact edge glides along inner contour of cam ring |
| 08/06/2009 | CA2676718A1 Method for plasticating and conveying macromolecular materials based on elongational flow and equipment thereof |
| 08/05/2009 | EP2085616A1 Combined scavenging roots pump and feed pump |
| 08/05/2009 | EP2084406A2 Variable delivery rotary vane pump |
| 08/05/2009 | EP2084405A1 Rotary positive displacement pump with magnetic coupling having integrated cooling system |
| 08/05/2009 | CN201284737Y High-efficiency non-leakage Roots impeller pump |
| 08/05/2009 | CN201284736Y Flux-variable rotor engine oil pump |
| 08/05/2009 | CN101501339A Variable displacement vane pump |
| 08/05/2009 | CN101498300A Pump impeller |
| 08/05/2009 | CN100523504C Rotary displacement pump comprising scraper and guide of the scraper |
| 07/30/2009 | WO2009092719A2 Variable-volume internal gear pump |
| 07/30/2009 | DE202009002823U1 Exzenterschneckenpumpe Cavity Pump |
| 07/30/2009 | DE102008006289A1 Vane-type pump's impeller for motor vehicle, has chamber wall comprising area for retaining of pump vane, another area for forming wall thickness of bar for attachment of sinter tool, and third area for forming enlarged chamber volume |
| 07/30/2009 | CA2712550A1 Variable-volume internal gear pump |
| 07/29/2009 | CN100520068C Rotor pump and method for producing same |
| 07/29/2009 | CN100520067C Rotor pump with double pendulum lines |
| 07/29/2009 | CN100520066C Internal engagement gear pump and rotor set for the internal engagement gear pump |
| 07/28/2009 | US7566211 Vane pump having vanes with a cutout portion |
| 07/23/2009 | US20090185940 Method for manufacturing trochoid pump and trochoid pump obtained |
| 07/23/2009 | US20090185939 Trochoid Pump |
| 07/23/2009 | US20090185926 Scroll Compressor and Baffle for Same |
| 07/22/2009 | EP1210505B1 Fluid rotary machine |
| 07/22/2009 | CN201277175Y Fire-resistant oil gas reclaiming vacuum pump |
| 07/22/2009 | CN101490420A Vane pump for pumping hydraulic fluid |
| 07/22/2009 | CN100516523C Speed pressure compensation balanced impeller pump |
| 07/22/2009 | CN100516522C Gear pump |
| 07/22/2009 | CN100516521C Dual-shaft variable-velocity rotary pump |
| 07/22/2009 | CN100516514C Magnetically driven gear pump |
| 07/21/2009 | US7563087 Pump rotor seal apparatus and method |
| 07/16/2009 | WO2009088827A2 Progressive cavity apparatus with transducer and methods of forming and use |
| 07/16/2009 | WO2009024663A3 Gear pump and method of delivering fluid using such a pump |
| 07/16/2009 | US20090180908 Oil pump and automatic transmission including the same |
| 07/16/2009 | DE202008017328U1 Drehzylinderdrehschieberverdrängerpumpe Drehzylinderdrehschieberverdrängerpumpe |
| 07/16/2009 | DE102008003843A1 Förderaggregat Delivery unit |
| 07/16/2009 | CA2711195A1 Progressive cavity apparatus with transducer and methods of forming and use |
| 07/16/2009 | CA2711112A1 High temperature progressive cavity motor or pump component and method of fabrication |
| 07/15/2009 | EP2078860A2 Pumping unit |
| 07/15/2009 | EP2078859A2 Electric pump |
| 07/15/2009 | EP2078163A1 Gear pump with reduced pressure impulses on the conveyor side |
| 07/15/2009 | CN201273277Y Water pump |
| 07/15/2009 | CN101484703A Moineau type pump |
| 07/15/2009 | CN101482112A Pumping unit |
| 07/15/2009 | CN100513790C Variable displacement pump |
| 07/15/2009 | CN100513789C Gear pump |
| 07/15/2009 | CN100513788C Gear pump |
| 07/15/2009 | CN100513787C Variable capacity gerotor pump |
| 07/14/2009 | CA2553795C Eccentric screw pump with integrated drive |
| 07/09/2009 | WO2009085112A2 Nano particle reinforced polymer element for a stator and rotor assembly |
| 07/09/2009 | US20090175751 Electric pump |
| 07/08/2009 | EP1540157A4 Improved fuel delivery system |
| 07/08/2009 | CN101479483A Pump |
| 07/08/2009 | CN101476559A Variable displacement pump |
| 07/08/2009 | CN100510410C Rotor for rotation type displacement pump |
| 07/08/2009 | CN100510409C Motor-integrated internal gear pump, method of producing the gear pump, and electronic apparatus |
| 07/08/2009 | CN100510408C High-speed vortex liquid pump |
| 07/07/2009 | US7556485 Rotary compressor with reduced refrigeration gas leaks during compression while preventing seizure |
| 07/02/2009 | WO2009082165A2 Small multipurpose a watering cart |
| 07/02/2009 | US20090169409 Vane machine, in particular vane pump |
| 07/01/2009 | EP2075469A2 Vane pump |
| 07/01/2009 | CN201265525Y High-pressure lifting gear pump |
| 07/01/2009 | CN201265524Y Double-compensation high-pressure gear pump |
| 07/01/2009 | CN201265523Y Novel rotor pump |
| 07/01/2009 | CN101473139A Moineau pump |
| 07/01/2009 | CN101469702A Vane pump |
| 07/01/2009 | CN100507273C End-face helical pump |
| 07/01/2009 | CN100507240C 改进的燃料输送系统 Improved fuel delivery system |
| 06/30/2009 | US7553143 Lobe pump system and method of manufacture |
| 06/30/2009 | US7553141 Rotary fluid machine with a suction shutoff angle of the outer cylinder chamber being greater than a suction shutoff angle of the inner cylinder chamber |
| 06/30/2009 | US7553138 Rotary screw machine of volume type and method of transforming a motion in a volume screw machine |
| 06/30/2009 | CA2365052C Insertable progressing cavity pump |
| 06/25/2009 | WO2009078480A1 External gear pump |
| 06/25/2009 | WO2009077248A1 Liquid pump |
| 06/25/2009 | US20090162230 Vane Pump with Improved Internal Port Placement |
| 06/25/2009 | US20090159617 Hot Melt Adhesive Metering Pump Assembly with Integral Reservoir Tank |
| 06/25/2009 | DE102005047821B4 Drehschieberpumpe Rotary vane pump |
| 06/24/2009 | CN101466951A Trochoid pump |
| 06/24/2009 | CN101463813A Viscose short-thread metering pump |
| 06/24/2009 | CN101463812A Composite transmission fluid-transportation supercharging pump |
| 06/24/2009 | CN100504069C External loop type rotary piston pump |
| 06/24/2009 | CN100503491C Device for thickening or dewatering sludge, watery, sediments or the like, espeically surplus sludge in sewage treantment plants |
| 06/23/2009 | US7549851 Rotary fluid machine having a pair of rotation mechanisms and a partition plate disposed between the rotation mechanisms |
| 06/23/2009 | US7549848 Device for adjusting the pumping capacity of a lubricant pump for an internal combustion engine |
| 06/18/2009 | US20090155049 Rotary pump with exclusively hydrodynamically suspended impeller |