| Patents for F04C 2 - Rotary-piston machines or pumps (14,296) |
|---|
| 12/24/2008 | CN201170181Y Rotor pump |
| 12/24/2008 | CN201170180Y Spindly serrate hydraulic gear pump with 11 teeth and gear motor |
| 12/24/2008 | CN201170179Y Automatic system for supplying emulsible oil |
| 12/24/2008 | CN101331321A 远距离热熔胶计量站 Remote hot melt adhesive metering station |
| 12/24/2008 | CN101328891A Dual rotors translation type rotary compressing device |
| 12/24/2008 | CN101328890A Translation type rotary compressing device |
| 12/24/2008 | CN101328888A Planetary gear oil pump |
| 12/24/2008 | CN101328887A Elliptic gear pump |
| 12/24/2008 | CN101328886A Gear pump with improved structure |
| 12/24/2008 | CN101328858A Low friction high-pressure blade rotating motor based on self-compensation compound seal technique |
| 12/23/2008 | US7467929 Device for axially conveying fluids |
| 12/18/2008 | WO2008152958A1 Internal gear pump |
| 12/18/2008 | WO2008152713A1 Roots pump and method of producing roots pump |
| 12/18/2008 | US20080310988 Vane Pump |
| 12/18/2008 | US20080310985 Motor Driven by Pressure Medium Supplied From an External Pressure Source |
| 12/17/2008 | CN201165978Y Rotary petal type compressor |
| 12/17/2008 | CN201165975Y Inner seal structure of axle sleeve plus side plate hydraulic gear pump |
| 12/17/2008 | CN201165974Y Novel engine oil pump |
| 12/17/2008 | CN201165973Y Engine oil pump with improved structure |
| 12/17/2008 | CN201165972Y High performance full balance compound gear pump |
| 12/17/2008 | CN100443724C 泵 Pump |
| 12/17/2008 | CN100443723C Vane pump with integrated shaft, rotor and disc |
| 12/17/2008 | CN100443722C Balanced type external circulation multi phase flow pump rotor |
| 12/16/2008 | US7465157 Compact eccentric screw pump |
| 12/11/2008 | WO2008148472A1 Vane pump |
| 12/11/2008 | DE102007039172A1 Flügelzellenpumpe Vane pump |
| 12/11/2008 | DE102007039157A1 Automotive rotary vane pump has an inner contact surface extended in radial direction |
| 12/11/2008 | DE102007026138A1 External gear pump has integral circuit which is connected during start-up and is shut off during operation of functional circuit |
| 12/10/2008 | EP1999373A1 Variable displacement sliding vane pump |
| 12/10/2008 | CN201162671Y Double-screw pump for deep mine |
| 12/10/2008 | CN201162670Y Dual idler gear pump |
| 12/10/2008 | CN201162658Y Screw oil pump |
| 12/10/2008 | CN101319671A Engine oil pump with pressure-limiting valve |
| 12/09/2008 | US7462022 Rotary displacement pump comprising scraper and guide of the scraper |
| 12/09/2008 | US7462021 Rotary compressor, and car air conditioner and heat pump type water heater using the compressor |
| 12/09/2008 | US7461626 Powertrain including a rotary IC engine and a continuously variable planetary gear unit |
| 12/09/2008 | CA2374991C Fluid rotary machine |
| 12/04/2008 | WO2008146352A1 Pump |
| 12/04/2008 | DE102006021251B4 Flügelzellenpumpe Vane pump |
| 12/03/2008 | EP1687509B1 Method for delivering a multi-phase mixture and pump installation |
| 12/03/2008 | CN201159174Y Vehicle steering pump |
| 12/03/2008 | CN201159170Y Bidirectional constant flux gear pump |
| 12/03/2008 | CN201159169Y Fixed flow direction cycloid rotor lubricating pump |
| 12/03/2008 | CN101316785A Methods and apparatus for pumping and dispensing |
| 12/03/2008 | CN101315076A Internal gear pump |
| 12/03/2008 | CN100439712C Rotary machine housing with radially mounted sliding vanes |
| 12/02/2008 | US7458792 Sintered metal rotor of a rotary piston pump |
| 12/02/2008 | US7458790 Vacuum pump with improved oil lubrication |
| 11/27/2008 | WO2008141714A1 Gear pump |
| 11/26/2008 | EP1995408A1 Pumping unit for rotary vane pump |
| 11/26/2008 | EP1436509B1 Variable-delivery vane pump |
| 11/26/2008 | CN201155459Y Dosage pump |
| 11/26/2008 | CN201155458Y Compact type immersed three screw-rod pump for lubrication |
| 11/26/2008 | CN201155457Y Rotor of rotor pump |
| 11/26/2008 | CN201155456Y Pressure regulating engine oil pump |
| 11/26/2008 | CN101311535A Gear pump and foam dispenser |
| 11/25/2008 | US7455507 Structure for preventing cavitation erosion of oil pump |
| 11/20/2008 | WO2008138656A1 Pump assembly for synchronous pressurization of two fluid columns |
| 11/20/2008 | WO2008138655A1 Hydraulic system having a reversible gear pump |
| 11/19/2008 | EP1992846A1 Oil pump system for vehicle |
| 11/19/2008 | CN201152256Y Triangular rotor hydraulic pump |
| 11/19/2008 | CN201152255Y Conical three screw-rod pump |
| 11/19/2008 | CN101310111A Hot melt adhesive metering pump assembly with integral reservoir tank |
| 11/19/2008 | CN101307821A Hydraulic automobile transmission differential mechanism |
| 11/18/2008 | US7452194 Screw pump |
| 11/13/2008 | WO2008135326A1 Gear pump |
| 11/13/2008 | WO2008135159A1 Gear pump comprising a non-return valve and a pressure limiting valve |
| 11/13/2008 | WO2008135116A1 Moineau pump |
| 11/13/2008 | DE102007022221A1 Hydrodynamic high pressure liquid, especially fuel, pump has bearing annular gap width that decreases in region between liquid inlet and outlet openings in direction of rotation |
| 11/13/2008 | DE102007022216A1 Hydrauliksystem mit Zahnradpumpe Hydraulic system with gear pump |
| 11/13/2008 | DE102007022215A1 Pumpenbaugruppe zur synchronen Druckbeaufschlagung von zwei Fluidsäulen Pump assembly for synchronous pressurization of two fluid columns |
| 11/12/2008 | EP1864023B1 Clamping device |
| 11/12/2008 | EP1807625B1 Vane pump consisting a two-part stator |
| 11/12/2008 | EP1807624B1 Rotary displacement pump comprising scraper and guide of the scraper |
| 11/12/2008 | CN201148970Y Double-screw rod delivery pump bearing support |
| 11/12/2008 | CN101303012A Engine oil pump of internal combustion engine |
| 11/12/2008 | CN100432434C Noval tooth-type screw rod |
| 11/06/2008 | WO2008132839A1 Drawing device and method of drawing contained fluid |
| 11/06/2008 | WO2008132542A1 Dual stage pump having intermittent mid-shaft load supports |
| 11/06/2008 | US20080274000 Pump, Especially Slurry Pump |
| 11/06/2008 | DE202007013820U1 Vorrichtung zum Fördern einer fließfähigen Fördermasse, insbesondere einer faserhaltigen Biomasse Device for transferring a flowable delivery composition, in particular a fiber-containing biomass |
| 11/06/2008 | DE102008019707A1 Schnittstelle Interface |
| 11/06/2008 | DE102007019283A1 Delivery unit, particularly roller cell pump for supplying fuel to internal combustion engine, has pump chamber, in which rotor is pivoted, over which actuator of drive shaft is propelled, and actuator has two rigid actuator elements |
| 11/05/2008 | EP1988290A1 Gear pump |
| 11/05/2008 | EP1988289A1 Interface |
| 11/05/2008 | EP1988288A1 Moineau pump |
| 11/05/2008 | EP1987252A1 Rotary pump and method for producing a pump housing of a rotary pump |
| 11/05/2008 | CN201144804Y Solid lubrication film gear pump |
| 11/05/2008 | CN201144801Y Vane pump |
| 11/05/2008 | CN201144800Y Multiphase stream screw rod mixing delivery pump |
| 11/05/2008 | CN201144799Y Internal gear pump |
| 11/05/2008 | CN101298868A Rotor pump with rotary slices |
| 11/05/2008 | CN100430601C Trochoidal pump |
| 11/04/2008 | US7445438 Torque limited lube pump for power transfer devices |
| 11/04/2008 | US7445437 Scroll type fluid machine having a first scroll wrap unit with a scroll member and a scroll receiving member, and a second scroll wrap unit engaged with the first scroll wrap unit |
| 10/30/2008 | WO2008065513A3 A variable-displacement vane oil pump |
| 10/30/2008 | US20080267802 Fluid-guiding and electric conducting system for suspended electric submersible progressing cavity pump (pcp) |
| 10/30/2008 | DE102008016212A1 Ausgeglichene Flügelzellenpumpe variabler Förderleistung/Verdrängung mit schwimmenden Stirnflächendichtungen und vorgespannten Flügeldichtungen Balanced vane pump variable capacity / displacement with floating face seals and biased wing seals |
| 10/30/2008 | DE102008015843A1 Hydraulikpumpe Hydraulic pump |
| 10/30/2008 | DE102007020002A1 Zahnradpumpe Gear pump |