| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 11/24/2010 | CN201650724U Gear pump with positive addendum modification and large pressure angle |
| 11/24/2010 | CN201650723U Asphalt gear pump |
| 11/24/2010 | CN201650722U High viscosity gear pump |
| 11/24/2010 | CN201650721U Gear pump |
| 11/24/2010 | CN201650720U Cam bi-rotor pump |
| 11/24/2010 | CN201650719U Forklift fuel feed pump |
| 11/24/2010 | CN201650718U Novel high torque gear motor |
| 11/24/2010 | CN101896723A Liquid pump |
| 11/24/2010 | CN101892981A Variable capacity lubricant vane pump |
| 11/24/2010 | CN101892980A Crank type crankshaft drive single screw pump |
| 11/24/2010 | CN101892979A Hydraulic gear pump set |
| 11/23/2010 | US7837453 Device for driving an oil pump in a transmission |
| 11/23/2010 | US7837451 Non-contact seal for positive displacement capture device |
| 11/23/2010 | CA2499833C Eccentric screw pump with increased temperature range |
| 11/18/2010 | WO2010132154A2 Seal system for gear pumps |
| 11/18/2010 | WO2010131103A2 Single-vane pump |
| 11/18/2010 | US20100290934 Integrated Electrical Auxiliary Oil Pump |
| 11/17/2010 | CN201636004U High temperature hydraulic pump with planetary gear |
| 11/17/2010 | CN201636003U Front oil pump structure for double-clutch type automatic speed changer |
| 11/17/2010 | CN201636002U Motorcycle oil pump |
| 11/17/2010 | CN201636001U Super-micro metering pump |
| 11/17/2010 | CN201636000U Vortex multiphase liquid pump |
| 11/17/2010 | CN101886626A Oil pump for a vehicle |
| 11/17/2010 | CN101885050A Process of casting gear pump rear cover |
| 11/17/2010 | CN101598126B Master and auxiliary vane pump rotor processing technique |
| 11/17/2010 | CN101571122B Hydraulic round platform gear pump |
| 11/16/2010 | US7832996 Hydrostatic rotary cylinder engine |
| 11/16/2010 | US7832995 Variable displacement vane pump and method of manufacturing the same |
| 11/11/2010 | WO2010100021A3 Vane pump |
| 11/11/2010 | US20100284845 Scroll Fluid Machine with a Coating Layer |
| 11/11/2010 | US20100284843 Stator for an eccentric screw pump or an eccentric screw motor and method of producing a stator |
| 11/11/2010 | US20100284842 Method of producing a stator segment for a segmented stator of an eccentric screw pump |
| 11/11/2010 | US20100284835 Pump gear and pump assembly for a generator |
| 11/11/2010 | DE102009019220A1 Schraubenspindelpumpe Screw Pump |
| 11/10/2010 | EP2249039A2 External gear pump with improved bearing lubrication |
| 11/10/2010 | EP2249038A2 External gear machine with simplified bearing for the axle or shaft |
| 11/10/2010 | EP2249037A2 Method for producing a stator segment for a stator constructed in segments of an eccentric screw pump |
| 11/10/2010 | CN201627718U Built-in variable-speed pump |
| 11/10/2010 | CN201627717U Two-way circulating pump and engine oil purification system |
| 11/10/2010 | CN201627716U Vane-type oil-well pump |
| 11/10/2010 | CN201627715U Roller pump of submersible motor |
| 11/10/2010 | CN201627714U Gear pump with novel annular gear |
| 11/10/2010 | CN1666010B Internal gear machine with variable capacity |
| 11/10/2010 | CN101881272A Variable displacement vane pump |
| 11/10/2010 | CN101881271A Input end assembly of mechanical supercharger |
| 11/10/2010 | CN101334024B High-pressure gear water pump |
| 11/09/2010 | US7828535 Pressure sealed tapered screw pump/motor |
| 11/04/2010 | WO2010126651A2 Method and apparatus for lubricating a screw pump system |
| 11/04/2010 | WO2010124541A1 High-speed large-torque hydraulic blade motor |
| 11/04/2010 | US20100278676 Gear wheel pump |
| 11/04/2010 | US20100278673 Method and apparatus for managing fluid flow within a screw pump system |
| 11/04/2010 | US20100278672 Method and apparatus for lubricating a screw pump system |
| 11/04/2010 | US20100278671 Method and apparatus for reducing particles in a screw pump lubricant |
| 11/04/2010 | DE102009019419A1 Umlaufverdrängermaschine mit vereinfachter Lagerachse oder -welle Rotary displacement with simplified bearing axle or shaft |
| 11/04/2010 | DE102009019418A1 Umlaufverdrängerpumpe mit verbesserter Lagerschmierung Umlaufverdrängerpumpe with improved bearing lubrication |
| 11/04/2010 | DE102007007683B4 Antrieb für mindestens zwei Zusatzaggregate einer Brennkraftmaschine Drive for at least two additional units of an internal combustion engine |
| 11/03/2010 | EP1893872B1 Screw displacement pump |
| 11/03/2010 | CN201621066U High-pressure high-performance vane pump |
| 11/03/2010 | CN201621065U High-speed high-performance vane pump |
| 11/03/2010 | CN201621064U Double-rotary direction gear pump |
| 11/03/2010 | CN201621063U Sine pump with double sine wheels |
| 11/03/2010 | CN201621062U Double-layer butterfly-type rotor pump |
| 11/03/2010 | CN101446286B Modular internal gear pump or motor |
| 11/03/2010 | CN101392747B Variable displacement pump |
| 11/03/2010 | CN101268278B 油泵转子 Oil pump rotor |
| 10/28/2010 | WO2010123556A2 Vane pump with improved rotor and vane extension ring |
| 10/28/2010 | WO2010121450A1 Vane-type continuous rotary cylinder |
| 10/28/2010 | DE69601290C5 Kompakte elektrohydraulische Einheit Compact electro-hydraulic unit |
| 10/28/2010 | DE202010011333U1 Schraubenspindelpumpe mit mehrteiligem Gehäuse Screw pump with fabricated housing |
| 10/27/2010 | EP2243956A2 Hose membrane process pump |
| 10/27/2010 | CN201615057U 动力转向油泵 Power steering pump |
| 10/27/2010 | CN201615056U 一种高自吸性能转子泵 A high-performance self-priming pump rotor |
| 10/27/2010 | CN101871450A Small-flow high-lift radial piston pump |
| 10/27/2010 | CN101871449A Small rotor-type submersible pump |
| 10/26/2010 | US7819645 Internal gear pump |
| 10/26/2010 | CA2530840C Variable displacement radial piston pump |
| 10/21/2010 | WO2010119411A1 Variable capacity fluidic machine |
| 10/21/2010 | WO2010119336A2 Aircraft main engine fuel pump with multiple gear stages using shared journals |
| 10/21/2010 | WO2010119141A2 Control of the vanes of a vane machine |
| 10/21/2010 | US20100266435 Gerotor Apparatus for a Quasi-Isothermal Brayton Cycle Engine |
| 10/21/2010 | US20100266434 Flow-controllable cell pump with pivotable control slide valve |
| 10/21/2010 | DE202010011626U1 Drehkolbenpumpe Rotary pump |
| 10/21/2010 | DE202010011270U1 Pumpe zum Fördern von abbindendem Material Pump for pumping setting material |
| 10/21/2010 | DE102009017452A1 Oil conveying- and vacuum pump for e.g. crankshaft suction of lubricating oil, has inlets opening out into suction chamber, where inlets and outlets are arranged in inner circumferential wall of pump chamber |
| 10/21/2010 | CA2758544A1 Control of the vanes of a vane cell engine |
| 10/20/2010 | EP2240694A1 Device for dividing a flow equally between two or more objects |
| 10/20/2010 | CN101865129A Processing method of screw pump stator with equal wall thickness and special push-pull device |
| 10/20/2010 | CN101865128A Screw rod type electric oil fuel pump |
| 10/20/2010 | CN101865021A Active clearance compensation type cycloid pump/ motor device |
| 10/20/2010 | CN101864991A Star rotary fluid motor or engine and compressor and pump |
| 10/19/2010 | CA2520760C Gerotor mechanism for a screw hydraulic machine |
| 10/19/2010 | CA2350047C Pump drive head with stuffing box |
| 10/14/2010 | WO2010115695A2 Combined oil delivery and vacuum pump |
| 10/14/2010 | WO2010115518A2 Bearing sleeve, toothed wheel machine, and method for producing a bearing sleeve |
| 10/14/2010 | US20100260636 Moineau pump |
| 10/14/2010 | DE102009016915A1 Lagerhülse, Zahnradmaschine und Verfahren zum Herstellen einer Lagerhülse Bearing sleeve gear machine and method for making a bearing sleeve |
| 10/13/2010 | EP2238353A2 High temperature progressive cavity motor or pump component and method of fabrication |
| 10/13/2010 | EP2238352A2 Progressive cavity apparatus with transducer and methods of forming and use |
| 10/13/2010 | EP2238351A1 Gerotor and method of assembling the same |
| 10/13/2010 | CN201606644U 一种机油泵总成 One kind of oil pump assembly |