Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
12/2009
12/23/2009WO2009155104A2 Compressor having capacity modulation system
12/23/2009WO2009155099A2 Compressor having output adjustment assembly including piston actuation
12/23/2009WO2009155094A2 Compressor having capacity modulation system
12/23/2009WO2009155091A2 Compressor having capacity modulation system
12/23/2009WO2009154151A1 Scroll compressor
12/23/2009WO2009124845A3 Fluid-sealed or fluid-lubricated vacuum pump
12/23/2009EP2136083A2 A rotary compressor
12/23/2009EP2134968A2 A vaccum pump provided with a device for its deactivation
12/23/2009CN201368027Y Air compressor with slider and piston connected in series
12/23/2009CN201368025Y Improved structure of screw stem vacuum pump
12/23/2009CN201368024Y Roots vacuum pump
12/23/2009CN201368023Y Scroll compressor
12/23/2009CN201368022Y Scroll compressor
12/23/2009CN101611229A 回转式压缩机 Rotary Compressor
12/23/2009CN101608627A Unloading device for Root's blower
12/23/2009CN101608621A Rotary compressor and air-conditioning system using same
12/23/2009CN101608620A A rotary compressor
12/23/2009CN101608619A Spiral anti-clawed vacuum pump
12/23/2009CN100572818C Working oil supply structure for gear compressor
12/23/2009CN100572815C Horizontal type scroll compressor
12/17/2009WO2009151895A2 Methods and systems for injecting liquid into a screw compressor for noise suppression
12/17/2009WO2009150967A1 Screw compression apparatus
12/17/2009WO2009150958A1 Scroll type compressor
12/17/2009WO2009150537A2 Pd pumps with a common gearbox module and varying capacities and varying capacities and easy access to mechanical seals
12/17/2009US20090311119 Screw Compressor Capacity Control
12/16/2009EP2133571A2 Motor-driven compressor
12/16/2009EP2133570A1 Rotor drive mechanism, shaft seal structure for eccentric shaft, and pump device
12/16/2009CN201363275Y Vehicle-used vacuum pump
12/16/2009CN201363274Y Coal-bed gas double-screw compressor unit
12/16/2009CN201363273Y Oil pressure pump improved structure
12/16/2009CN101605995A Variable displacement dual vane pump
12/16/2009CN101605994A Compressor with integral oil separator
12/16/2009CN101603538A Spiral-flow auxiliary air intake device and compression pump thereof
12/16/2009CN101603536A Electric vacuum pump for automobile
12/16/2009CN101603535A Rotary compressor
12/16/2009CN101603534A Scroll compressor
12/16/2009CN101603533A Scroll compressor
12/16/2009CA2747867A1 Baffle member for scroll compressors
12/15/2009US7631632 Orbital engine/pump with multiple toroidal cylinders
12/10/2009WO2009148884A2 Screw compressor with asymmetric ports
12/10/2009WO2009108008A3 Inverter type scroll compressor
12/10/2009WO2009108007A3 Scroll compressor comprising oil separating driving shaft
12/10/2009WO2009108006A3 Inverter type scroll compressor
12/10/2009US20090304539 Motor-driven scroll type compressor
12/10/2009US20090304538 Modular multi-rotor compressor and method of manufacture
12/10/2009DE102008026601A1 Spiral displacement machine i.e. spiral loader, for loading internal combustion engine of motor vehicle with air, has ball rollers exhibiting width between lateral surfaces with respect to diameter of ball basic shape
12/09/2009EP2131040A2 Motor-driven scroll type compressor
12/09/2009EP2129918A1 Scroll compressor with compliant retainer
12/09/2009EP2129917A1 Compressor and oil separation device therefor
12/09/2009CN201358919Y Balanced double screw compressor
12/09/2009CN101600885A 压缩机 Compressor
12/09/2009CN101600884A 螺旋式压缩机容量控制 A screw compressor capacity control
12/09/2009CN101598129A Direct-current power-driven vacuum pump used for automobile
12/09/2009CN101598127A High-efficiency and energy-saving single-screw air compressor
12/09/2009CN100567742C 螺旋式压缩机 Screw compressors
12/09/2009CN100567741C Internal gear compressor
12/09/2009CN100567740C Scroll compressor
12/08/2009US7628596 Power steering pump
12/08/2009US7628595 Gas vane pump, and method of operating the pump
12/08/2009US7628593 Horizontal type scroll compressor including a first space and a second space
12/08/2009US7628592 Fluid machine having reduced heat input to fluid
12/03/2009WO2009145547A2 Vacuum pump for vehicle
12/03/2009WO2009145232A1 Enclosed compressor and refrigeration cycle device
12/03/2009WO2009143589A2 Fluid injected screw compressor element
12/03/2009US20090297383 Oil rotary vacuum pump and manufacturing method thereof
12/03/2009US20090297380 Compressor having capacity modulation system
12/03/2009US20090297379 Compressor Having Output Adjustment Assembly Including Piston Actuation
12/03/2009DE202009010890U1 Vakuumpumpe Vacuum pump
12/03/2009DE102008025186A1 Rotary piston machine for use as pump, has cylindrical surfaces formed by cylindrical elements, and valve plate with outlet openings arranged in perforated plate that closes stationary housing in front side
12/03/2009DE102007013817B4 Abwärmesammelsystem mit Expansionsvorrichtung Waste heat collection system with expansion device
12/03/2009CA2712323A1 Fluid-injected screw compressor element
12/02/2009EP2128447A2 Rotary compressor
12/02/2009EP2128384A1 Expander-integrated compressor
12/02/2009EP2126361A1 Vacuum pump
12/02/2009EP2126314A2 Hydrogen g-cycle rotary internal combustion engine
12/02/2009CN101592152A Rotary compressor
12/02/2009CN101592151A Screw fluid machinery
12/02/2009CN101592150A Scroll fluid machinery
12/02/2009CN100565050C Refrigeration system control system for refrigeration system
12/02/2009CN100564883C Fuel injection helical lobe compressor lubricant oil ancillary equipment
12/02/2009CN100564882C Variable capacity type rotary compressor
12/02/2009CN100564881C Capacity varying type rotary compressor and refrigeration system having the same
12/02/2009CN100564880C Scroll fluid machine
12/01/2009US7625193 Radial axis, spherical based rotary machines
11/2009
11/26/2009WO2009142023A1 Fluid machine and refrigeration cycle device
11/26/2009WO2009141097A1 A vane with tilting tips, and a rotary displacement pump using this vane
11/26/2009WO2009123400A3 Scroll compressor
11/26/2009WO2009102130A3 Air compressor
11/26/2009DE102009017202A1 Rippengestaltung bei einem Lader nach dem Spiralprinzip Rib design with a supercharger the spiral principle
11/26/2009DE102009017201A1 Schwingenlagerung bei einem Lader nach dem Spiralprinzip Swing arm mount with a charger using the spiral principle
11/26/2009DE102008025185A1 Dynamic balancer for rotating piston machine, comprises drive shaft with eccentric unit and rotary piston supported at circular shaped eccentric unit
11/26/2009DE102007043594B4 Spiralverdichter mit Doppelspirale Scroll compressor with double spiral
11/25/2009EP2123915A1 Scroll type fluid machine
11/25/2009EP2122176A1 Vacuum pump
11/25/2009CN201351611Y Screw oil pump station of thin oil seal-type gas tank
11/25/2009CN201351610Y Oscillating compressor with air-supplying enthalpy-adding device
11/25/2009CN201351607Y Rotary compressor with air jet system
11/25/2009CN201351606Y Movable type screw air compressor used for mining
11/25/2009CN201351605Y Lobed rotor compressor or vacuum pump
11/25/2009CN101589234A 旋转式压缩机 Rotary compressor
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