Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
10/2012
10/30/2012US8297279 Portable ventilator system
10/30/2012US8297253 Rotary piston engine
10/30/2012US8297252 Rotary one cycle internal combustion engine
10/30/2012US8297239 Gyroscopic rotary engine
10/26/2012WO2012144489A1 Scroll fluid machine
10/26/2012WO2012144224A1 Scroll compressor
10/26/2012WO2012144067A1 Scroll compressor
10/26/2012WO2011036590A3 Device and method for cleaning a pump chamber of a vacuum pump
10/25/2012US20120269670 Vane compressor
10/25/2012US20120269662 Mounting arrangement for an eccentric shaft in a refrigeration compressor
10/24/2012EP2514932A1 Screw expander system
10/24/2012CN202500776U Scroll autorotation prevention mechanism of scroll type compressor
10/24/2012CN202500772U Frequency variable and capacity variable compressor and air-conditioning system using same
10/24/2012CN202500771U Roots blower
10/24/2012CN202500770U High-pressure conveying roots blower
10/24/2012CN102753829A 涡旋压缩机 Scroll Compressor
10/24/2012CN102753828A Scroll compressor
10/24/2012CN102748294A Axial anti-rotation mechanism of vortex compressor
10/24/2012CN102748288A Rotary compressor using R290 refrigerant
10/24/2012CN102748287A Rotary compressor
10/24/2012CN102748286A Screw compressor
10/24/2012CN102748285A Screw compressor
10/24/2012CN102748284A Screw compressor
10/24/2012CN102748283A Screw cone compression mechanism
10/24/2012CN102748282A Horizontal vortex air compressor for oil injection
10/24/2012CN102022325B Rotary compressor and refrigerating device with same
10/24/2012CN101939548B Compressor and freezer
10/23/2012CA2671109C Scroll compressor utilizing liquid or vapor injection
10/23/2012CA2611761C Gear pump with improved inlet port
10/18/2012WO2012142378A2 Compressor including motor cooling
10/18/2012WO2012088387A3 A thrust plate for a horizontal scroll compressor and a horizontal scroll compressor having the same
10/18/2012US20120263615 Scroll Fluidic Device
10/18/2012US20120260691 Multi-cylinder rotary compressor and refrigeration cycle apparatus
10/17/2012EP2511531A2 Spiral compressor for coolant
10/17/2012EP2511530A2 Gear pump
10/17/2012CN202493434U Vertical type vortex compressor
10/17/2012CN102734982A Direct sewage source heat pump
10/17/2012CN102734171A Dynamic balance oil supply mechanism for commercial scroll compressor
10/17/2012CN102734168A Oil supply hole structure of rotary compressor eccentric crankshaft
10/17/2012CN102734160A Motor-driven compressor
10/17/2012CN102734159A Screw compressor
10/17/2012CN102734158A Screw compressor and chiller unit using same
10/17/2012CN102734157A Compressor
10/17/2012CN102734156A Scroll compressor with spring to assist in holding scroll wraps in contact
10/17/2012CN102022333B Autorotation preventing mechanism as well as compressor and automobile using same
10/17/2012CN101985937B Triaxial claw vacuum pump
10/17/2012CN101135309B Multi-stage rotary compressor and method thereof for setting elimination volume ratio
10/16/2012US8286609 Rotary energy converter with retractable barrier
10/16/2012US8286608 Sealing system for an oscillating-piston engine
10/16/2012CA2668912C Baffle member for scroll compressors
10/11/2012WO2012138101A2 Oil separation structure for a scroll type compressor
10/11/2012US20120258002 Electric machine
10/11/2012DE102012003002A1 Scrollkompressor mit Feder zur Unterstützung der Aufrechterhaltung des Kontakts der Spiralwindungen Scroll compressor with spring to support the maintenance of contact of the spiral turns
10/10/2012CN202485954U Novel vacuum sampling pump
10/10/2012CN202483878U 旋转式压缩机 Rotary compressor
10/10/2012CN202483877U Rotary compressor
10/10/2012CN202483876U Rolling rotor compressor
10/10/2012CN202483875U Scroll compressor
10/10/2012CN102725531A Scroll compressor and method for processing discharge port in same
10/10/2012CN102720673A Self-regulation mechanism for stationary plate of commercial scroll compressor
10/10/2012CN102720672A Pressure sensor for hermetic machine
10/10/2012CN102094823B Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor
10/10/2012CN102042225B Water-lubricating single screw compressor
10/10/2012CN101994697B Sliding vane pump
10/10/2012CN101915240B Scroll compressor
10/10/2012CN101743404B Rotary compressor
10/10/2012CN101680448B Rotary blower with corrosion-resistant abradable coating
10/10/2012CN101576082B 螺旋压缩机 Screw compressor
10/09/2012US8283879 Braking controller of a three-phase permanent magnetic brushless DC motor for directly driving a screw pump
10/09/2012US8281676 Transmission utilizing hypocycloid motion
10/04/2012WO2012135727A2 Compressor
10/04/2012WO2012132436A1 Scroll compressor
10/04/2012WO2012132164A1 Scroll compressor
10/04/2012WO2012131904A1 Scroll compressor
10/04/2012WO2012131317A1 Scroll compressor
10/04/2012WO2011092094A3 Vane pump
10/04/2012US20120251369 Scroll compressor and method for machining discharge port of the same
10/04/2012US20120251358 Motor-driven compressor
10/04/2012US20120251347 Compressor with transmission
10/04/2012DE102012006363A1 Luftregler für Kompressoren, insbesondere Schraubenkompressoren Air regulator for compressors, screw compressors in particular
10/04/2012CA2830142A1 Scroll compressor
10/03/2012EP2505841A2 Screw compressor and chiller unit using same
10/03/2012EP2505840A2 Motor-driven compressor
10/03/2012EP2504579A2 Vane pump
10/03/2012CN202468326U Vacuum pump
10/03/2012CN202468325U Three-blade rotary pendulum air blower
10/03/2012CN202468324U Vortex type air compressor
10/03/2012CN202468323U Direct current brushless permanent magnet hall-free electric scroll compressor for electric automobile air conditioner
10/03/2012CN202468313U Rotor pump and rotary machine comprising rotor pump
10/03/2012CN102713298A Scroll compressor
10/03/2012CN102713157A Method for the axial positioning of bearings on a shaft journal
10/03/2012CN102713155A Universal rotary piston compressor
10/03/2012CN102705239A Interlayer type multi-functional bearing pedestal for Roots blower
10/03/2012CN102705236A Commercial efficient safety type scroll compressor with low energy consumption
10/03/2012CN102705235A 涡旋压缩机 Scroll Compressor
10/03/2012CN102705234A 涡旋压缩机 Scroll Compressor
10/03/2012CN101915239B Scroll machine
10/03/2012CN101749236B Revolution type compressor
10/03/2012CN101400889B Slide valve with hot gas bypass port
10/02/2012CA2684716C Portable air compressor/generator control method and system
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