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

Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
12/2011
12/14/2011	CN202073786U 一种适用于砖瓦真空挤出机的旋片式真空泵 One for vacuum brick extruder rotary vane vacuum pump
12/14/2011	CN202073785U 一种新型结构的注油螺杆压缩机 A new structure of oiling screw compressor
12/14/2011	CN202073784U 汽车空调用一体式直流变频电动涡旋压缩机总成 Automotive air conditioning integrated DC inverter scroll compressor motor assembly
12/14/2011	CN102278308A 螺旋压缩机 Screw compressors
12/14/2011	CN102278307A 一种涡旋式汽车空调压缩机 A scroll automobile air conditioning compressor
12/14/2011	CN102278306A 一种涡旋式汽车空调压缩机 A scroll automobile air conditioning compressor
12/14/2011	CN102278305A 一种涡旋式汽车空调压缩机 A scroll automobile air conditioning compressor
12/14/2011	CN101761477B 一种涡旋式压缩机 A scroll type compressor
12/14/2011	CN101737325B 回转式压缩机 Rotary Compressor
12/14/2011	CN101680301B 膨胀机一体型压缩机及具备其的制冷循环装置 Expander-compressor and refrigeration cycle with its device
12/14/2011	CN101012827B 涡旋式流体机械 The scroll-type fluid machine
12/13/2011	US8075292 Eccentric rotor compressor
12/13/2011	US8075291 Scroll compressor improved in function of oil circulation and back pressure control
12/13/2011	US8075288 Screw pump and pumping arrangement
12/13/2011	CA2655006C Scroll compressor with bifurcated flow pattern
12/08/2011	WO2011152243A1 Scroll compressor and method for processing discharge port in same
12/08/2011	WO2011151554A2 Scroll refrigeration compressor
12/08/2011	WO2011151553A2 Valve arrangement for a scroll refrigeration compressor
12/08/2011	WO2011151102A2 Gas pump with reduced noise generation
12/08/2011	WO2011083957A3 Rotating power generator using gravity and the weight of liquid
12/08/2011	US20110300011 Scroll type compressor
12/07/2011	EP2392827A1 Scroll compressor
12/07/2011	EP1158166B1 Scroll type compressor
12/07/2011	CN202066243U 一种汽车空调系统及压缩机 An automobile air conditioning systems and compressors
12/07/2011	CN202065179U Compressor and oil cooling system
12/07/2011	CN102272455A 具有端子插塞组件的压缩机 Has a terminal plug assembly compressor
12/07/2011	CN102272454A 具有容量调节系统的涡旋压缩机 Capacity modulation system having a scroll compressor
12/07/2011	CN102269167A 一种立式安装与卧式安装兼容的涡旋压缩机 One kind of vertical and horizontal installation is compatible with the installation of a scroll compressor
12/07/2011	CN102269166A 涡旋式压缩机 Scroll compressor
12/07/2011	CN102269165A 一种气液态介质两用的高效无油涡旋压缩机 The gas - liquid medium dual-efficient oil-free scroll compressor
12/07/2011	CN102269164A 涡旋压缩机 Scroll Compressor
12/07/2011	CN101560977B 容量控制式旋转压缩机 Rotary compressor capacity control
12/07/2011	CN101113735B 一种转子压缩机 Rotor Compressor
12/01/2011	WO2011149209A2 Electrically driven scroll compressor
12/01/2011	WO2011148933A1 Scroll type fluid machine
12/01/2011	WO2011148932A1 Scroll-type fluid machine
12/01/2011	WO2011148797A1 Screw vacuum pump
12/01/2011	WO2011148533A1 Positive-displacement fluid machine
12/01/2011	WO2011148453A1 Two-stage rotary compressor and heat pump apparatus
12/01/2011	WO2011126032A3 Vacuum pump
12/01/2011	WO2011106422A3 Compressor including valve assembly
12/01/2011	US20110293456 Scroll machine
12/01/2011	DE102011016737A1 Abgedichteter Kompressor mit leicht montierbarer Ölpumpe Sealed compressor with easy mountable oil pump
12/01/2011	DE102010029551A1 Geräuschreduzierte Gaspumpe Noise reducing gas pump
11/2011
11/30/2011	EP2390508A2 Suction opening of a screw compressor
11/30/2011	EP2390463A2 Bearings of the shaft of a hermetic compressor
11/30/2011	EP2389516A2 Scroll compressors with different volume indexes and systems and methods for same
11/30/2011	CN202056054U 一种30-60马力双螺杆空气压缩机的转子组合 A combination of rotor 30-60 horsepower twin-screw air compressor
11/30/2011	CN202056053U 一种5.5-15马力双螺杆空气压缩机的转子组合 A combination of 5.5-15 hp twin rotor screw air compressors
11/30/2011	CN202056052U 一种150-200马力双螺杆空气压缩机的转子组合 A combination of 150-200 horsepower twin rotor screw air compressors
11/30/2011	CN202056051U 采用联组铰接传动系统的螺杆压缩机 Transmission system using the joint group hinged screw compressors
11/30/2011	CN102265037A 螺旋泵级和包含该泵级的真空泵 Screw pump stage and the pump stage vacuum pump comprising
11/30/2011	CN102265036A 向心泵级和包含该泵级的真空泵 Centripetal pump stage and contain the level of vacuum pump
11/30/2011	CN102261334A 封闭式压缩机 Hermetic compressors
11/30/2011	CN102261333A 封闭式压缩机 Hermetic compressors
11/30/2011	CN102261332A 螺旋压缩机 Screw compressors
11/30/2011	CN101230856B 压缩机和具有该压缩机的空调器 Compressor and air conditioner compressor has the
11/24/2011	WO2011145606A1 Scroll-type fluid machine
11/24/2011	WO2011143882A1 Rotary compressor
11/24/2011	WO2010147235A3 Rotary vane compressor with hydrofluoroolefin refrigerating gas and steel nitrided vanes.
11/24/2011	DE102010021240A1 Method for surface treatment of pumping elements or pump chamber inner walls of vacuum pump, involves flushing pump chamber with dispersion medium which is deposited on pump chamber inner walls or surfaces of pump elements
11/23/2011	EP1730406B1 Volumetric screw compressor provided with delivery adjustment device
11/23/2011	CN202047987U Air-cooled Roots vacuum pump assembly
11/23/2011	CN202047986U Novel blast blower for producing fluorine sylvite
11/23/2011	CN202047985U Vortex air compressor driven by direct current
11/23/2011	CN202047984U Vortex compressor and heat pump system with same
11/23/2011	CN202047983U Structure for sealing rear end of main shaft of horizontal vortex compressor
11/23/2011	CN102257278A Sealed compressor
11/23/2011	CN102257276A Scroll fluid machine
11/23/2011	CN102257244A Scroll compressor
11/23/2011	CN102256824A Device for pressurising a fluid, to be directly mounted on a power takeoff
11/23/2011	CN102251966A Oil baffle assembly and rotary compressor with same
11/23/2011	CN102251964A Rotary compressor and control method thereof
11/23/2011	CN101680303B Fluid machine and refrigeration cycle device with the same
11/23/2011	CN101573537B Positioning device for fixed scroll
11/23/2011	CN101517238B A rotary pump with vanes
11/23/2011	CN101454575B Improved water- injected screw compressor element.
11/17/2011	DE102011100300A1 Zweistufiger Druckkompressor Two-level pressure compressor
11/16/2011	EP2195511B1 Spiral-type positive-displacement machine
11/16/2011	CN202040082U Vortex compressor
11/16/2011	CN102245903A Scroll compressor
11/16/2011	CN102245899A Electric compressor having drive circuit integrated thereinto
11/16/2011	CN102242714A Compound seal device of claw type dry vacuum pump
11/16/2011	CN102242711A High-temperature resistant high-pressure-rise type Roots blower
11/16/2011	CN102242710A Vacuum pump
11/16/2011	CN102242709A Vacuum pump for improving pumping speed and vacuum degree
11/16/2011	CN102242708A Water injected scroll air compressor
11/16/2011	CN101709704B Vortex compressor capable of preventing oil leakage to engine body exterior
11/16/2011	CN101514701B Capacity varying device for a scroll compressor
11/16/2011	CN101498307B Rotary compressor with double working cylinders
11/16/2011	CN101456533B Method for manufacturing electric pole in micro fixed scroll vane
11/16/2011	CN101316999B 氢g循环旋转内燃发动机 G hydrogen rotary combustion engine cycle
11/15/2011	US8057929 Regenerative compressor motor control for a fuel cell power system
11/15/2011	US8057202 Tip seal for a scroll compressor
11/15/2011	US8056528 Radial axis, spherical based rotary machines
11/15/2011	US8056527 Split-chamber rotary engine
11/10/2011	WO2011139041A2 Compressor for a heat pump
11/10/2011	WO2011138318A2 Screw vacuum pump
11/10/2011	DE102010019402A1 Schrauben-Vakuumpumpe Screw vacuum pump
11/09/2011	CN202031834U Scroll compressor

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