| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 12/07/2005 | EP1602827A2 Pump pulsation damper |
| 12/07/2005 | EP1601875A1 Eccentric screw pump |
| 12/01/2005 | US20050265860 Motor-mounted internal gear pump and electronic device |
| 12/01/2005 | DE102005020232A1 Pump, with a drive shaft and rotor, has meshing teeth at the shaft and rotor to key them together using teeth with an axial camber and which are radially off-center |
| 12/01/2005 | DE102004022362A1 Switchable multi-stage oil pump, has pump stages with rotor and socket wheels, where rotor socket is rotatably supported on drive shaft and socket wheel is axially displaceable on drive shaft |
| 12/01/2005 | DE102004020603A1 Vane pump, has housing and curve ring between which extended sealed border is provided and spring support supported against housing and formed by bending bar in form of leaf spring |
| 11/30/2005 | EP1600637A2 Oil pump with variable capacity |
| 11/30/2005 | EP1600636A2 Progressing cavity pump or motor |
| 11/30/2005 | EP1600635A2 Canned internal gear pump |
| 11/30/2005 | EP1283971B1 Regulated pump |
| 11/30/2005 | EP1155240B1 Medical gear pump |
| 11/30/2005 | CN2743578Y Hydraulic gear pump |
| 11/30/2005 | CN2743577Y Multifunction gear type high pressure pump |
| 11/30/2005 | CN1703582A Functionalities of axially movable spool valve |
| 11/30/2005 | CN1702327A Motor-mounted internal gear pump and electronic device |
| 11/29/2005 | CA2181177C Downhole motor for a drilling apparatus |
| 11/24/2005 | WO2005047702A3 Stator for an eccentric screw pump or an eccentric screw motor according to the moineau principle |
| 11/24/2005 | US20050260092 Turbostatic compressor, pump, turbine and hydraulic motor and method of its operation |
| 11/24/2005 | US20050257371 Lobe pump system and method of manufacture |
| 11/24/2005 | DE102004056595B3 Device for transporting viscous material, especially adhesive or sealant, has pressure system assembled from individual flat boards in stack with apertures forming cavities including pump space for gear wheels of gear wheel pump |
| 11/24/2005 | DE102004021216A1 High pressure gear type hydraulic pump has a central pinion meshing with an eccentric inner gear wheel supported on radial hydraulic pockets |
| 11/24/2005 | DE102004019698A1 Gewendeltes Rohrelement Coiled tubing element |
| 11/23/2005 | EP1598556A1 Multiple gear pump |
| 11/23/2005 | EP1261806B1 Inverse toothed rotor set |
| 11/23/2005 | EP1129292B1 Worm for an eccentric screw pump or a subsurface drilling motor |
| 11/23/2005 | CN2742191Y Double screw pump herringbone gear synchronous driving device |
| 11/23/2005 | CN1228552C Fluid mechanism |
| 11/17/2005 | WO2005108792A1 Vane pump using line pressure to directly regulate displacement |
| 11/17/2005 | US20050254984 Shared slot vane pump |
| 11/17/2005 | US20050254983 Rotary pistons |
| 11/17/2005 | US20050254982 Internal gear machine with variable capacity |
| 11/17/2005 | US20050254970 Quick connect pump to pump mount and drive arrangement |
| 11/17/2005 | US20050254968 Impeller pump with reciprocating vane and non-circular rotor |
| 11/17/2005 | US20050254964 Progressing cavity pump or motor |
| 11/17/2005 | DE19818948B4 Hydraulische Zahnradmaschine Hydraulic gear machine |
| 11/17/2005 | DE10325025B4 Zahnradpumpe und Halteglied hierfür Gear pump and holding member therefor |
| 11/17/2005 | DE102004020357A1 Verfahren und Hydromaschine zum Steuern einer Verdrängung Procedures and hydraulic machine for controlling a displacement |
| 11/17/2005 | DE102004019843A1 Device for feed of gaseous or liquid media has vanes which fit through outer wall of hollow rotor with radial movement and sealing capability, with free ends of vanes forming turbine blades onto which is directed working medium |
| 11/17/2005 | CA2565179A1 Vane pump using line pressure to directly regulate displacement |
| 11/16/2005 | EP1596035A1 Impeller pump with reciprocating vane and non-circular rotor |
| 11/16/2005 | EP1384005B1 Variable displacement pump having a rotating cam ring and method of operation |
| 11/16/2005 | CN2740813Y Flange-connected three-serew pump with gear transmission |
| 11/16/2005 | CN1696511A Regulated pump |
| 11/14/2005 | CA2507120A1 Impeller pump with reciprocating vane and non-circular rotar |
| 11/10/2005 | WO2005106252A1 Gear pump and method of producing the same |
| 11/10/2005 | US20050249624 Piston rotary pump of variable flow |
| 11/10/2005 | US20050249622 Device for controlling parasitic losses in a fluid pump |
| 11/09/2005 | EP1593849A1 Rotor pump |
| 11/09/2005 | EP1592497A1 Distribution device |
| 11/09/2005 | EP1144868B1 Hydraulic machine comprising dual gerotors |
| 11/09/2005 | CN1693707A Sliding block rotor pump |
| 11/08/2005 | US6962489 Moineau pumping device having a ball coupling |
| 11/03/2005 | WO2005103488A2 Device for controlling parasitic losses in a fluid pump |
| 11/03/2005 | US20050244284 Oil pump that can be driven by means of an electric motor |
| 11/03/2005 | DE19719692B4 Reversible Rotorpumpe mit innenverzahntem Rotor Reversible rotor gerotor pump |
| 11/03/2005 | DE10338632B4 Exzenterschneckenpumpe mit erosionsfestem Rotor Pump with erosion-resistant rotor |
| 11/02/2005 | CN2737994Y Improved diesel engine oil pump |
| 11/02/2005 | CN2737988Y Anti-sand seizing screw pump |
| 11/02/2005 | CN1690436A Screw pump and method of production thereof |
| 11/02/2005 | CN1690363A Method and hydraulic machine for controlling volume changes |
| 11/01/2005 | CA2364873C Gas-lock resistant pump string |
| 10/27/2005 | WO2005100780A2 Variable capacity pump/motor |
| 10/27/2005 | WO2005100749A2 Magnetically driven gear pump |
| 10/27/2005 | US20050238521 Method and hydromachine for controlling a displacement |
| 10/27/2005 | US20050238505 Gear pump and liquid injection apparatus |
| 10/27/2005 | DE102004008948A1 Vane cell pump for feed of fluid has third shaft bearing as slide bearing installed in bush between second shaft bearing in housing and end plate, and with one or more lubricating grooves for lubricant supply to rotary seal provided in bush |
| 10/26/2005 | EP1589226A1 Pump assembly |
| 10/26/2005 | EP1588785A2 Helical tube element |
| 10/20/2005 | US20050232801 Hyrdraulic motor |
| 10/20/2005 | US20050232789 Motor/pump unit, especially for antislip brake systems |
| 10/20/2005 | US20050232785 Device for adjusting the pumping capacity of a lubricant pump for an internal combustion engine |
| 10/20/2005 | US20050232784 Pump assembly |
| 10/19/2005 | EP1360416B1 Device for axially conveying fluids |
| 10/19/2005 | CN2735044Y Assembling double-screw pump |
| 10/19/2005 | CN1223444C Laminar polyolefin plastic material recycling installation |
| 10/13/2005 | WO2005095801A1 Inner rotor and outer rotor for internal gear pump |
| 10/13/2005 | WO2005094547A2 Rotary vane pump |
| 10/13/2005 | US20050226757 Variable capacity pump/motor |
| 10/13/2005 | DE102004030123B3 Screw pump has casting forming end piece of housing with cavity connecting axial bore to bearing as part of pressure line |
| 10/13/2005 | DE102004008483A1 Automotive roller cell fuel pump has transposed fluid slits and converging zone |
| 10/13/2005 | DE10024669B4 Pumpe Pump |
| 10/12/2005 | EP1485621B1 System for controlling a hydraulic force pump |
| 10/12/2005 | EP1110000B1 Internal gear machine for reversed operation in a closed hydraulic circuit |
| 10/12/2005 | CN1681637A Extruder/gear pump assembly |
| 10/06/2005 | WO2005093259A1 Displacement pump with a variable volumetric flow |
| 10/06/2005 | WO2005093258A2 Hydraulic motor or pump of annular gear construction |
| 10/06/2005 | US20050220919 Extruder/gear pump assembly |
| 10/06/2005 | US20050220654 Apparatus for preventing overheating of scroll compressor |
| 10/06/2005 | US20050220653 Magnetically driven gear pump |
| 10/06/2005 | US20050220651 Scroll type hydraulic machine |
| 10/06/2005 | US20050220633 Fuel pump gasket |
| 10/06/2005 | DE102004038477B3 Exzenterschneckenpumpe Cavity Pump |
| 10/06/2005 | DE102004013230A1 Flügelzellenpumpe Vane pump |
| 10/06/2005 | DE102004012726A1 Pressure regulator for automotive oil pump has first piston operating in conjunction with a second variable-pressure piston |
| 10/05/2005 | EP1582745A2 Pump and ink jet printer mounting the pump |
| 10/05/2005 | EP1299643B1 Positive displacement pump |
| 10/05/2005 | CN2731141Y Cam blade rotor pump |
| 10/05/2005 | CN1678830A Screw compressor discharge flow guide |
| 10/05/2005 | CN1676937A Apparatus for preventing overheating of scroll compressor |
| 10/05/2005 | CN1676936A Rotor tooth-profile for screw pump |