| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 06/16/2005 | DE10350632A1 Doppel- oder Mehrfachpumpe Double or multiple pump |
| 06/16/2005 | DE10350631A1 Double pump to create two flows at different pressures has pressure slit divided by at least one further sealing web into high and low pressure chambers |
| 06/16/2005 | DE10349752A1 Motorpumpenaggregat Motor pump unit |
| 06/15/2005 | EP1541870A2 Extruder and related extrusion process |
| 06/15/2005 | EP1540184A1 Gear pump |
| 06/15/2005 | EP1540174A1 Cam ring bearing for fuel delivery system |
| 06/15/2005 | EP1540157A1 Improved fuel delivery system |
| 06/14/2005 | US6905321 Rotary pump for braking apparatus |
| 06/14/2005 | US6905319 Stator for down hole drilling motor |
| 06/09/2005 | US20050123419 Pumping device |
| 06/09/2005 | DE10352254B3 Pendulum displacement machine for feed applications has pressure chambers adjacent bearing for outer rotor of rotor set within control slider acting as fluid cushion opposing applied external forces |
| 06/09/2005 | DE102004038909A1 Pumping system for solid particles in fluids has a cyclone filter to feed non particulate fluid to the pump and to feed particles into the fluid duct via a second cyclone filter |
| 06/08/2005 | EP1537335A1 Device for adjusting the pumping capacity of a lubricant pump for an internal combustion engine |
| 06/08/2005 | CN1205443C Fluid compressing pump |
| 06/08/2005 | CN1205415C Gear pump |
| 06/07/2005 | US6902382 Gear motor start up control |
| 06/02/2005 | US20050118040 Progressive cavity pump/motor |
| 06/02/2005 | US20050118039 Roller vane pump |
| 06/01/2005 | EP1536138A1 Rotor machine |
| 06/01/2005 | EP1534957A1 Screw compressor discharge flow guide |
| 06/01/2005 | CN2703148Y Conical single-screw pump |
| 06/01/2005 | CN2703143Y Double-blade vane pump |
| 06/01/2005 | CN1621694A Processing method of composite material screw pump stator |
| 06/01/2005 | CN1621660A Kneading positive-displacement method of fluid machinery and mechanism and purpose thereof |
| 05/26/2005 | WO2005047703A1 Oscillating slide machine |
| 05/26/2005 | WO2005047702A2 Stator for an eccentric screw pump or an eccentric screw motor according to the moineau principle |
| 05/26/2005 | WO2005047701A2 Stator for an eccentric spiral pump or an eccentric worm motor according to the moineau principle |
| 05/26/2005 | US20050112012 Gear pump, in particular fuel pump |
| 05/25/2005 | DE19600740B4 Flügelzellenpumpe Vane pump |
| 05/25/2005 | DE10305781A1 Multistage oil pump for IC engines comprises outer gear-type control pump which produces compression stage and inner gear-type pump which produces feed stages |
| 05/25/2005 | DE102004001840B3 Positive-displacement pump comprises a blade having blade parts that engage with each other on facing side surfaces by a tongue and groove connection consisting of grooves and tongues that run orthogonally to a drive shaft |
| 05/25/2005 | CN2702086Y Rotary three-vane piston pump |
| 05/25/2005 | CN1619153A 机油泵 Oil Pump |
| 05/24/2005 | US6896502 Fluid cannon positive displacement pump |
| 05/24/2005 | US6896500 Gear pump |
| 05/24/2005 | US6896489 Variable displacement vane pump with variable target regulator |
| 05/24/2005 | US6895855 Hydraulic motors and pumps with engineered surfaces |
| 05/19/2005 | US20050106055 Rotary positive displacement hydraulic machines |
| 05/19/2005 | US20050106053 Oil pump |
| 05/19/2005 | US20050106052 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 05/19/2005 | US20050106044 Oil pump |
| 05/19/2005 | US20050106004 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 05/19/2005 | DE10348985B3 Zahnradpumpe Gear pump |
| 05/19/2005 | DE10347337A1 Axial vane hydraulic machine for use as stationary or mobile motor or pump has valve body connected to manually operated control handle and has passages admitting fluid to working chambers |
| 05/18/2005 | EP1531270A2 Vane pump with safety mechanism against wear |
| 05/18/2005 | EP1531269A1 Gear pump or motor |
| 05/18/2005 | CN2700606Y Ground surface driven screw pump for rodless pumping operation |
| 05/18/2005 | CN2700605Y Rotary two-vane piston pump |
| 05/18/2005 | CN2700604Y Entrance direction changeable cam rotor pump |
| 05/18/2005 | CN1616825A Cycloidal pin gear hydraulic pump |
| 05/17/2005 | US6893239 Internal geared wheel pump having asymmetric tooth tips |
| 05/17/2005 | US6893238 Ring gear machine clearance |
| 05/17/2005 | CA2712364A1 Stator for an eccentric screw pump or an eccentric worm motor operating on the moineau principle |
| 05/12/2005 | WO2005042976A1 Double or multiple pump |
| 05/12/2005 | WO2005042923A1 Positive displacement device |
| 05/12/2005 | WO2005042910A2 Asymmetric contouring of elastomer liner on lobes in a moineau style power section stator |
| 05/12/2005 | WO2004076858A3 Oil well pump apparatus |
| 05/12/2005 | US20050100468 Eccentric screw-type pump with spare stator |
| 05/12/2005 | US20050098385 Oil supply system for engine |
| 05/12/2005 | US20050098143 Two-cycle engine for counter-rotation especially for aviation applications |
| 05/12/2005 | DE10222131B4 Verdrängerpumpe mit Fördervolumenverstellung Displacement pump displacement control |
| 05/11/2005 | EP1529958A2 Oil supply system for an IC engine |
| 05/11/2005 | EP1350957B1 Variable displacement vane pump |
| 05/11/2005 | CN2699013Y Single screw pump with long lead and spiral cavity |
| 05/11/2005 | CN2699009Y Self-priming sliding vane pump |
| 05/11/2005 | CN2698981Y Engine oil pump cover of internal combustion |
| 05/11/2005 | CN1615184A Method to rough size coated components for easy assembly |
| 05/11/2005 | CN1614238A Method for machining screw pump stator with equal wall thickness |
| 05/10/2005 | US6890164 Internal gear pump |
| 05/10/2005 | US6889871 Interior gear; radial projecting cylinder teeth; rotation pump; dispensing abrasives |
| 05/06/2005 | WO2005039859A1 Gear pump |
| 05/06/2005 | WO2005021969A3 Oil pump rotor |
| 05/06/2005 | CA2543145A1 Gear pump |
| 05/05/2005 | US20050095160 Pump |
| 05/05/2005 | US20050095148 Oil pump |
| 05/05/2005 | US20050092525 Down-hole vane motor |
| 05/04/2005 | EP1527281A1 Rotary screw machine and method of transforming a motion in such a machine |
| 05/04/2005 | EP0886730B1 Sliding vane pump |
| 05/04/2005 | DE10343395B4 Hydraulische Maschine Hydraulic machine |
| 05/04/2005 | CN2697352Y Pressure pump |
| 05/04/2005 | CN2697351Y Vane pump |
| 05/04/2005 | CN2697350Y Single end composite tooth type labyrinth screw pump |
| 05/04/2005 | CN1611746A Two-star rotary engine |
| 05/03/2005 | US6887058 Fluid machinery |
| 05/03/2005 | US6887056 Oil pump rotor |
| 05/03/2005 | US6887055 Positive-displacement rotary pump |
| 05/03/2005 | US6887054 Transition valving by means of non-return valves |
| 05/03/2005 | US6887045 Hydraulic transformer |
| 04/28/2005 | US20050089430 Asymmetric contouring of elastomer liner on lobes in a Moineau style power section stator |
| 04/28/2005 | US20050089429 Composite material progressing cavity stators |
| 04/28/2005 | US20050088041 Housing including shock valves for use in a gerotor motor |
| 04/27/2005 | EP1526282A1 Motor-pump unit |
| 04/27/2005 | CN2695700Y Connection structure of highpresure,large flow single screw pump |
| 04/27/2005 | CN2695691Y Link structure of high-pressure, large flow single screw pump |
| 04/27/2005 | CN2695683Y Electromagnetic pump |
| 04/27/2005 | CN2695682Y Rotor oil pump |
| 04/26/2005 | US6884048 Transition valving by means of non-return valves |
| 04/26/2005 | US6884043 Fluid circulation path for motor pump |
| 04/21/2005 | WO2005035988A1 A rotary hydraulic vane machine |
| 04/21/2005 | US20050084391 Fuel pump with filter-absent safety valve and universal inlet and outlet |