F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups

Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981)
11/2011
11/30/2011	CN102261333A 封闭式压缩机 Hermetic compressors
11/30/2011	CN101059133B 流体机械、兰金循环系统及其控制方法 Fluid Machinery, Rankine cycle system and control method
11/29/2011	US8066497 Pump with side surface coating
11/24/2011	WO2011145606A1 Scroll-type fluid machine
11/24/2011	WO2011143882A1 Rotary compressor
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	EP2388482A1 Screw pump with field refurbishment provisions
11/23/2011	CN202047987U Air-cooled Roots vacuum pump assembly
11/23/2011	CN102257278A Sealed compressor
11/23/2011	CN102256824A Device for pressurising a fluid, to be directly mounted on a power takeoff
11/23/2011	CN102251969A Rotary vane type compressor
11/23/2011	CN102251968A Rotor pump Sialon ceramic cam and preparation method
11/23/2011	CN102251967A Welding structure of rotary type compressor pump body and rotary type compressor pump body provided therewith
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	CN102251167A Manufacture method of slip sheet of air conditioner compressor
11/23/2011	CN102251166A Manufacture method of slip sheet of air conditioner compressor
11/23/2011	CN101680303B Fluid machine and refrigeration cycle device with the same
11/23/2011	CN101454575B Improved water- injected screw compressor element.
11/17/2011	WO2011088290A3 Formed seal ring for a liquid gas separating element
11/16/2011	CN202040086U Exhausting device for rotary compressor
11/16/2011	CN202040085U Rotating compressor
11/16/2011	CN102245903A Scroll compressor
11/16/2011	CN102245899A Electric compressor having drive circuit integrated thereinto
11/16/2011	CN102242716A Vacuum pump with cooling water channel
11/16/2011	CN102242715A Sealed compressor and method of assembling oil pump onto sealed compressor
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	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
11/10/2011	WO2011139041A2 Compressor for a heat pump
11/10/2011	WO2011138078A1 Eccentric bearing
11/10/2011	WO2011138076A1 Eccentric bearing
11/10/2011	WO2011138075A1 Eccentric bearing
11/10/2011	WO2011138073A1 Eccentric bearing
11/09/2011	CN202031836U Wear resistant bead-fixed ring of scroll compressor
11/09/2011	CN202031835U Sealing water feeding system of wet type roots vacuum pump
11/09/2011	CN202031834U Scroll compressor
11/09/2011	CN102237746A Balance structure of rotary compressor and rotary compressor comprising same
11/09/2011	CN102235364A Oil separation device of compressor
11/09/2011	CN102235363A Oil filter mechanism
11/09/2011	CN102235362A Jacketed wall constructed oil separation cylinder
11/09/2011	CN102235360A Double-cylinder rotary compressor
11/09/2011	CN102235357A Rotary compressor
11/09/2011	CN101878401B Freezing apparatus
11/09/2011	CN101603533B Scroll compressor
11/09/2011	CN101550939B Sound attenuation housing for compressor
11/03/2011	WO2011135817A1 Rotary compressor
11/03/2011	WO2011135816A1 Rotary compressor
11/03/2011	WO2011135747A1 Vane pump
11/03/2011	WO2011135746A1 Vane pump
11/03/2011	WO2011134261A1 Screw compressor
11/02/2011	EP2382392A2 Apparatuses, systems, and methods for improved performance of a pressurized system
11/02/2011	EP2382391A1 Compressor, in particular a radial piston compressor for carbon dioxide as a refrigerant
11/02/2011	CN202023739U 空气压缩机齿轮 Air compressor gear
11/02/2011	CN102230470A Semi-underwater Roots blower and implementation scheme thereof
11/02/2011	CN101688534B Single screw compressor and method of assembling the same
11/01/2011	US8047817 Cleaning method of a rotary piston vacuum pump
10/2011
10/26/2011	CN202017630U Outer rotor vortex permanent-magnetic variable frequency screw compressor
10/26/2011	CN102227561A Rotary compressor
10/26/2011	CN102225640A Film for raising abrasion resistance of compressor slide plate and preparation method thereof
10/26/2011	CN101761479B Screw-type compressor with adjustable interior volume specific ratio
10/26/2011	CN101520043B Gas compressor
10/20/2011	WO2011128349A2 Compressor flange for screw-type compressor
10/19/2011	EP2378125A2 Dry vacuum pump apparatus
10/19/2011	EP2378124A1 Scroll type compressor
10/19/2011	EP2378123A1 Sealed compressor
10/19/2011	EP2378122A2 Dry vacuum pump apparatus and method of cooling the same
10/19/2011	EP2378120A1 Electric compressor having drive circuit integrated thereinto
10/19/2011	EP2378063A2 Vacuum pump
10/19/2011	EP2054630B1 Attaching a filter muffler
10/19/2011	CN202012479U Main shaft supporting device of screw medium-pressure machine
10/19/2011	CN102224345A Rotary fluid machine
10/19/2011	CN102220981A Dry vacuum pump apparatus, exhaust unit and silencer
10/19/2011	CN102220979A 压缩机 Compressor
10/19/2011	CN101614207B Scroll machine having counterweights with changeable cavity
10/13/2011	WO2011126032A2 Vacuum pump
10/13/2011	WO2011125652A1 Rotary compressor
10/13/2011	WO2011125406A1 Electrically driven gas compressor
10/12/2011	EP2375078A2 Compressor with transmission
10/12/2011	EP2375077A2 Compressor with transmission
10/12/2011	EP2375075A2 Sealed motor-driven compressor
10/12/2011	CN102216622A Vacuum pump
10/12/2011	CN102216621A Vacuum pump
10/12/2011	CN102216620A Inlet screen and scroll compressor incorporating same
10/12/2011	CN102216618A Gas compressor
10/12/2011	CN102216617A Suction duct and scroll compressor incorporating same
10/12/2011	CN102216616A Inverter-integrated electric compressor
10/11/2011	US8033264 Rotary engine
10/06/2011	WO2011121320A2 Scroll compressor
10/06/2011	WO2011066629A3 Method for controlling a compossed device and compossed device wherein such method is applied
10/06/2011	US20110243782 Soft Serve Ice Cream Pump Enhancers
10/06/2011	US20110243761 Pulsation Dampener for Gas Compressors Having Selectable Size Choke Openings
10/06/2011	DE102011015419A1 Motorbetriebener Kompressor The motor-driven compressor
10/05/2011	EP2372159A2 Sealed rotary compressor
10/05/2011	EP1875077B1 A control system and method for protection against breakage of lubricant film in compressor bearings.
10/05/2011	CN202001312U Silencer for rotary compressor

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