F04C 18 - Rotary-piston pumps specially adapted for elastic fluids

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
06/2011
06/15/2011	CN102094822A Rotary compressor
06/15/2011	CN102094821A Rotary compressor
06/15/2011	CN102094820A Self-lubricating slip sheet rotary air compressor
06/15/2011	CN102094819A Single-screw compressor with double elliptical generating surface and secondary enveloped mold line
06/15/2011	CN101545488B End face tooth form of novel screw compressor
06/15/2011	CN101498304B Coal bed gas double screw rod compressor unit
06/15/2011	CN101285469B Sliding component and swirl motor compressor using the same
06/15/2011	CN101072945B Compressor
06/14/2011	US7959422 Oil pump and method of assembling the oil pump
06/14/2011	US7958862 Rotary positive displacement combustor engine
06/14/2011	CA2423769C Natural gas booster compressor system
06/09/2011	WO2011066817A2 Vacuum pump
06/09/2011	US20110135523 Sealed compressor with motor standard spacer providing bearing mount
06/09/2011	US20110135517 Deformed shell for holding motor stator in a compressor shell
06/09/2011	US20110135509 Scroll compressor capacity modulation with hybrid solenoid and fluid control
06/09/2011	US20110131980 Dual-Inlet Supercharger for EGR Flow Control
06/09/2011	DE102010014834A1 Universal-Kreiskolbenkompressor Universal rotary piston compressor
06/09/2011	DE102010004128A1 Universal-Kreiskolbenkompressor Universal rotary piston compressor
06/08/2011	EP2329148A2 Compressor having capacity modulation system
06/08/2011	EP1818540B1 Scroll compressor
06/08/2011	CN201858155U Asymmetrical tooth-shaped screw rod of double-screw-rod refrigeration compressor
06/08/2011	CN201858150U Overlapping seal type Roots fan
06/08/2011	CN201858149U Non-contact seal type Roots fan
06/08/2011	CN201858148U Single-stage high-pressure transport roots blower
06/08/2011	CN1882775B Compressor discharge chamber with baffle plate
06/08/2011	CN102089526A Horizontal scroll compressor
06/08/2011	CN102089525A Compressor having output adjustment assembly including piston actuation
06/08/2011	CN102089524A Compressor having capacity modulation system
06/08/2011	CN102089523A Compressor having capacity modulation system
06/08/2011	CN102086867A Fluid machine
06/08/2011	CN102086866A Ring pin structure type scroll compressor with lubrication groove on end surface of moving plate
06/08/2011	CN102086865A Scroll compressor capacity modulation with hybrid solenoid and fluid control
06/08/2011	CN101668951B Screw compressor
06/08/2011	CN101603535B Rotary compressor
06/08/2011	CN101205907B Scroll compressor and assembling method thereof
06/03/2011	WO2011064290A2 Vane pump
06/03/2011	WO2011064283A2 Vane pump
06/03/2011	WO2011064281A2 Vane pump
06/02/2011	US20110129378 Horizontal scroll compressor
06/02/2011	US20110129376 Pulse pressure decreasing type variable oil pump
06/01/2011	EP2327882A2 Hermetic compressor
06/01/2011	EP2326844A1 Screw compressor
06/01/2011	EP1156222B1 Scroll type compressor
06/01/2011	DE102009056010A1 Flügelzellenpumpe Vane pump
06/01/2011	DE102009056008A1 Flügelzellenpumpe Vane pump
06/01/2011	CN201851362U Bracket of scroll compressor and scroll compressor employing same
06/01/2011	CN201851361U Movement structure of compressor pump
06/01/2011	CN201851358U Scroll compressor and pump adopted by same
06/01/2011	CN1991176B Compressor vibration damper
06/01/2011	CN1966983B Rotating and swing type compressor structure
06/01/2011	CN1934358B Scroll pump device and its operation method
06/01/2011	CN102084134A Scroll compressor
06/01/2011	CN102080657A Enclosed rolling rotor compressor
06/01/2011	CN102080656A Double-vane rotary compressor
06/01/2011	CN102080655A Scroll compressor
06/01/2011	CN102080654A Water-injection type scroll air compressor
06/01/2011	CN101672280B Rolling piston compressor for improving lubricating performance of slip sheet
06/01/2011	CN101553663B A vacuum pump provided with a device for its deactivation
06/01/2011	CN101542125B Fluid machine
06/01/2011	CN101305188B Scroll compressor and its manufacture method
05/2011
05/31/2011	CA2400229C Equipment with mutually interacting spiral teeth
05/26/2011	WO2011062348A1 Heat pump
05/26/2011	WO2011019689A3 Compressor having counterweight cover
05/26/2011	WO2011019684A3 Balanced pressure, variable displacement, dual lobe, single ring, vane pump
05/26/2011	US20110123381 Compressor
05/26/2011	US20110123366 Compressor
05/26/2011	DE102010051610A1 Vacuum pump for under pressure power brake of motor vehicle, has impeller's front side and inner wall aligned within section plane and parallel to each other at operating temperature, where plane holds rotation axis of rotor
05/26/2011	DE102009047153A1 Pump i.e. rotary vane pump, for conveying e.g. fluid, has housing body and/or feeding body comprising region, which is provided for contact with fluid, formed with carbon fiber reinforced silicon carbide material
05/25/2011	EP2325492A1 Scroll fluid machine
05/25/2011	CN201844604U Energy-saving single screw water cooling unit
05/25/2011	CN201843784U Grease lubrication roots blower capable of being fed with lubricating grease automatically
05/25/2011	CN201843781U Smoke suction pump for automatic cigarette lighter
05/25/2011	CN102076971A Compressor
05/25/2011	CN102076970A 压缩机 Compressor
05/25/2011	CN102076969A 压缩机 Compressor
05/25/2011	CN102076968A Compressor
05/25/2011	CN102076967A Compressor
05/25/2011	CN102076966A Compressor
05/25/2011	CN102076965A Method for producing rotor
05/25/2011	CN102076964A Die for forging rotor material and method for forging rotor material
05/25/2011	CN102076963A Compressor having capacity modulation system
05/25/2011	CN102076962A Compressor having capacity modulation system
05/25/2011	CN102076961A Automatic volume ratio variation for a rotary screw compressor
05/25/2011	CN102072159A Oil line structure of automotive air conditioning scroll compressor
05/25/2011	CN102072158A High-efficiency vehicle air conditioner vortex compressor oil separating mechanism
05/25/2011	CN102072155A Novel high-pressure roller Roots blower
05/25/2011	CN102072154A Radial compensating device of automobile air-conditioning vortex compressor
05/25/2011	CN102072153A Vortex compressor realizing energy conservation by axial pressure relief at a high speed
05/25/2011	CN102072152A Scroll fluid machine
05/25/2011	CN101397998B Slide holding device of rotary compressor and control method thereof
05/25/2011	CN101372965B Compressor
05/25/2011	CN101328893B Compressor
05/19/2011	WO2011058848A1 Rotary vane compressor
05/19/2011	DE202010017258U1 Umfassungseinrichtung und in einer Umfassungseinrichtung aufgenommenes Strömungsaggregat Embracement and recorded in an embracement flow unit
05/19/2011	DE19963173B4 Schraubenvakuumpumpe Screw vacuum pump
05/18/2011	EP2322806A2 Noiseless pressure blower
05/18/2011	EP2321533A2 Screw-type compressor
05/18/2011	CN201837155U Improved structure of refrigerant recycling filling machine
05/18/2011	CN201836053U Screw rod compressor
05/18/2011	CN201836052U Medium-sized screw compressor rotor

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