Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
09/2007
09/12/2007CN100337038C 可变容量旋转式压缩机 The variable capacity rotary compressor
09/12/2007CN100337037C Air make-up hole position determination method for vortex compressor with air make-up loop
09/12/2007CN100337036C 可变容量的旋转压缩机 Variable capacity rotary compressor
09/11/2007US7269470 Aligner evaluation system, aligner evaluation method, a computer program product, and a method for manufacturing a semiconductor device
09/11/2007CA2227168C Oil-sealed vane-type rotary vacuum pump with oil feed
09/07/2007WO2007100097A1 Compressor, and its manufacturing method
09/07/2007WO2007099919A1 Sliding component of compressor, sliding component base, scroll component, and compressor
09/07/2007WO2007098595A1 Reduced rotor assembly diameter vane pump
09/06/2007US20070207050 Screw Vacuum Pump
09/06/2007US20070207049 Twin-plate rotary compressor
09/06/2007US20070207045 Compressor
09/05/2007EP1830069A1 Rotary compressor
09/05/2007EP1830068A1 Scroll fluid machine
09/05/2007EP1830067A1 Scroll compressor
09/05/2007EP1727985B1 Modular volumetric compressor
09/05/2007EP1700067A4 Compressor protection and diagnostic system
09/05/2007CN200943582Y Screw compressor rotor
09/05/2007CN101029641A Large-flow high-pressure pump
09/05/2007CN100335807C Fluid dispensation method
09/05/2007CN100335792C Oldham's coupling screw compressor with gap
09/05/2007CN100335791C Discharge porting design for screw compressor
09/05/2007CN100335790C 空气压缩机 Air compressor
09/05/2007CN100335789C Vortex comprexxor with steam jet
09/04/2007US7264453 Horizontal scroll compressor having a connecting passage on the opposite side of a suction port for connecting a motor accommodating chamber with a suction chamber
09/04/2007US7263828 Fluid machine
08/2007
08/30/2007WO2006077328A8 Multi-shaft vacuum pump with circular translation cycle
08/30/2007US20070201997 Scroll Compressor
08/30/2007US20070201996 Motor-compressor unit mounting arrangement for compressors
08/29/2007EP1826409A2 Tip seal in a scroll fluid machine
08/29/2007EP1826406A1 Compressor
08/29/2007EP1825146A1 Pump
08/29/2007EP1825145A1 Scroll-type apparatus
08/29/2007CN200940571Y Volume automatic regulator of screw compressor
08/29/2007CN200940570Y 真空泵 Vacuum pump
08/29/2007CN200940569Y Double working chamber slide sheet type automobile air conditioner compressor
08/29/2007CN101027488A Internal gear compressor
08/29/2007CN101027487A Internal gear compression unit and compressor having the same
08/29/2007CN101027486A Sliding member and fluid machine
08/29/2007CN101025159A Revolving compression apparatus with double cyinder, single rolling piston
08/29/2007CN101025158A 涡旋流体机 Scroll fluid machine
08/29/2007CN100334409C A closed cooling system and its method of operation
08/29/2007CN100334358C 密封旋转式压缩机 Sealed rotary compressor
08/29/2007CN100334357C Sealer of closed vortex compressor
08/29/2007CN100334356C Closed rotary compressor
08/29/2007CN100334355C Eccentric cam buffering mechanism for rotary shaft of closed rotary compressor
08/29/2007CN100334354C Multicylinder rotary compressor
08/29/2007CN100334353C Centrifugal force control type variable displacement vortex type compressor
08/29/2007CN100334352C Diagnostic system of compressor
08/29/2007CN100334351C Environment-friendly rotary compressor
08/28/2007US7261528 Scroll pump with load bearing synchronization device
08/28/2007US7260952 Fluid machine
08/28/2007US7260948 Compressor diagnostic system
08/23/2007WO2007093818A2 Rotary piston and cylinder devices
08/23/2007WO2006094781A8 Oil-injected compressor with a temperature switch
08/23/2007US20070196228 Dry Pumps
08/23/2007DE102005000896B4 Spiralverdichter mit einer Leistungsregelung Scroll compressor with capacity control
08/23/2007DE10200378B4 Gerät und Verfahren zum Steuern eines elektrischen Verdichters Apparatus and method for controlling an electric compressor
08/22/2007EP1820970A1 Compressor
08/22/2007EP1820968A2 Scroll fluid machine
08/22/2007EP1287296A4 System for controlling starting of air conditioner and control method thereof
08/22/2007EP1287295A4 Control system for starting of air conditioner and control method thereof
08/22/2007CN2937560Y Vane vacuum pump
08/22/2007CN1333220C Refrigerant cycle apparatus
08/22/2007CN1333173C Variable capacity rotary compressor
08/22/2007CN1333172C Scroll-type fluid displacement device for vacuum pump application
08/22/2007CN1333171C Compressor
08/22/2007CN101020992A Sintered metal material for compressor
08/16/2007US20070189914 Rotary engine seal assembly
08/15/2007EP1818541A1 Horizontally-mounted scroll compressor
08/15/2007EP1818540A1 Scroll compressor
08/15/2007EP1252444B1 Drive mechanism for a screw pump
08/15/2007CN2934667Y Rotary blower
08/15/2007CN2934666Y Rolling piston compressor
08/15/2007CN2934665Y Low-voltage DC air pump
08/15/2007CN1332162C Detecting vibration by current sensing for use in transporting refrigerating system
08/15/2007CN101016903A Vortex disk
08/15/2007CN101016902A Energy indicator used in screw bolt refrigerant compressor
08/15/2007CN101016901A Screw bolt compressor suitable for parallel system and having low loading start up function
08/15/2007CN101016900A Single-stage middle pressure screw bolt refrigerant compressor
08/15/2007CN101016899A Shaft coupling device used for internal transmission of single machine two-stage screw bolt refrigerant compressor
08/14/2007US7255546 Spindle for a vane motor
08/14/2007US7255545 Double-lobe type rotor design process
08/14/2007US7255543 Scroll compressor and air-conditioning system for vehicle using the scroll compressor
08/14/2007US7255542 Compressor with check valve orientated at angle relative to discharge tube
08/14/2007US7255541 Fluid pump
08/14/2007US7255086 Rotary internal combustion engine
08/09/2007WO2007088989A1 Vacuum pump unit
08/09/2007WO2007088103A1 Roots vacuum pump
08/09/2007WO2005110251A3 Surgical pneumatic motor for use with mri
08/09/2007US20070180841 System for controlling compressor of cooling system and method for controlling the same
08/08/2007CN2931862Y Compressor
08/08/2007CN2931861Y Pump installation
08/08/2007CN1330879C Roots pump
08/08/2007CN1330851C Compressed air motor
08/08/2007CN101014771A Volumetric screw compressor provided with delivery adjustment device
08/08/2007CN101014758A Concentric internal combustion rotary engine
08/08/2007CN101012832A Rotary compressor
08/08/2007CN101012831A Rotor type twin cylinder compressor taking air-breathing through partition board
08/08/2007CN101012830A Helix vane compressor
08/08/2007CN101012829A Screw compressor rotor
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