| 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) |
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| 01/13/2010 | CN100580011C Oil-free slide sheet for compressor and vacuum pump and its production method |
| 01/12/2010 | US7645129 Oil pump for a scroll compressor |
| 01/07/2010 | WO2010001834A1 Electric compressor |
| 01/06/2010 | EP1456589B1 Control method for mixed refrigerant based natural gas liquefier |
| 01/06/2010 | CN201377432Y Crescent gearpump combined unloading groove |
| 01/06/2010 | CN201377431Y Screw rotor with special processed surface for single-screw refrigeration compressor |
| 01/06/2010 | CN201377429Y Refrigerating screw compressor rotor |
| 01/06/2010 | CN100578018C Multi-cylinder compressor |
| 12/31/2009 | US20090324433 Rotating-slide vacuum pump or compressor of block design having a disc-rotor synchronous motor which is mounted on flying bearings |
| 12/31/2009 | DE102008030788A1 Verfahren zum Reinigen von Vakuumpumpen A method for cleaning of vacuum pumps |
| 12/30/2009 | WO2009157470A1 Method for producing rotor |
| 12/30/2009 | WO2009157469A1 Die for forging rotor material and method for forging rotor material |
| 12/30/2009 | WO2009157275A1 Electric compressor |
| 12/30/2009 | WO2009156287A1 Method for cleaning vacuum pumps |
| 12/30/2009 | WO2009156051A1 Pump |
| 12/30/2009 | WO2009116791A3 Scroll compressor |
| 12/30/2009 | EP2137409A2 Compressor reverse rotation of variable duration on start up |
| 12/30/2009 | CN201372924Y Improved shell structure for compression device |
| 12/30/2009 | CN100575708C Horizontal type compressor |
| 12/30/2009 | CN100575707C Arrangement and method for treatment of compressed gas |
| 12/30/2009 | CN100575706C Scroll-type refrigerant compressor |
| 12/30/2009 | CN100575670C Fluid machine |
| 12/29/2009 | US7637117 Air-conditioning system |
| 12/24/2009 | US20090317275 Scroll compressor |
| 12/24/2009 | DE202009011315U1 Ölförder- und Vakuumpumpe Oil production and vacuum pump |
| 12/24/2009 | DE112008000495T5 Elektrischer Kompressor mit Integralinverter The electric compressor with integral inverter |
| 12/24/2009 | DE102008030909B3 Sliding bearing protection container for compressor stages in water-injection-cooled screw compressor, has container housing, whose longitudinal axis is inclined with inclination angle |
| 12/24/2009 | DE102007043595B4 Verdrängermaschine nach dem Spiralprinzip Displacement after the spiral principle |
| 12/24/2009 | DE102004058399B4 Pumpe Pump |
| 12/23/2009 | WO2009155105A2 Compressor having capacity modulation system |
| 12/23/2009 | WO2009155104A2 Compressor having capacity modulation system |
| 12/23/2009 | WO2009155094A2 Compressor having capacity modulation system |
| 12/23/2009 | WO2009155091A2 Compressor having capacity modulation system |
| 12/23/2009 | WO2009124845A3 Fluid-sealed or fluid-lubricated vacuum pump |
| 12/23/2009 | EP2134968A2 A vaccum pump provided with a device for its deactivation |
| 12/23/2009 | EP2134924A1 Compressor having a high pressure slide valve assembly |
| 12/23/2009 | CN201368648Y Vacuum drying device for cleaning machine |
| 12/23/2009 | CN101611526A Motor rotor and compressor with the same |
| 12/23/2009 | CN101611228A Compressor with integral oil separator |
| 12/23/2009 | CN101608627A Unloading device for Root's blower |
| 12/23/2009 | CN101608626A Welding structure of intermediate plate of rolling dual-rotator compressor |
| 12/23/2009 | CN101608625A Welding structure of lower cylinder cover of rolling rotator type compressor |
| 12/23/2009 | CN101608624A Rolling dual-rotator compressor having upper and lower air cylinders with different heights |
| 12/23/2009 | CN101608619A Spiral anti-clawed vacuum pump |
| 12/23/2009 | CN100572818C Working oil supply structure for gear compressor |
| 12/18/2009 | CA2668819A1 Equipment retrofitting project method |
| 12/17/2009 | WO2009151895A2 Methods and systems for injecting liquid into a screw compressor for noise suppression |
| 12/17/2009 | WO2009150967A1 Screw compression apparatus |
| 12/16/2009 | CN201363279Y Rotary compressor with plunger type enthalpy rise device |
| 12/16/2009 | CN201363278Y Buckle type oil separating device for compressor |
| 12/16/2009 | CN201363276Y Double-cylinder two-stage compression rotation type compressor |
| 12/16/2009 | CN201363275Y Vehicle-used vacuum pump |
| 12/16/2009 | CN201363253Y Matched structure of housing cover and housing of refrigeration compressor suction silencer |
| 12/16/2009 | CN101605994A Compressor with integral oil separator |
| 12/16/2009 | CN101603538A Spiral-flow auxiliary air intake device and compression pump thereof |
| 12/16/2009 | CN101603537A Air compressor |
| 12/16/2009 | CN101603536A Electric vacuum pump for automobile |
| 12/16/2009 | CN101603534A Scroll compressor |
| 12/16/2009 | CN101603533A Scroll compressor |
| 12/16/2009 | CA2747867A1 Baffle member for scroll compressors |
| 12/10/2009 | WO2009147146A1 Process for starting an scr system |
| 12/10/2009 | US20090304539 Motor-driven scroll type compressor |
| 12/10/2009 | US20090304536 Motor-driven compressor |
| 12/10/2009 | DE102008026601A1 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 |
| 12/09/2009 | EP2131040A2 Motor-driven scroll type compressor |
| 12/09/2009 | EP2129918A1 Scroll compressor with compliant retainer |
| 12/09/2009 | CN201358920Y Roots blower |
| 12/09/2009 | CN201358904Y Energy-saving compressor of refrigerator |
| 12/09/2009 | CN100567743C Compressor |
| 12/09/2009 | CN100567742C 螺旋式压缩机 Screw compressors |
| 12/09/2009 | CN100567741C Internal gear compressor |
| 12/08/2009 | US7628595 Gas vane pump, and method of operating the pump |
| 12/08/2009 | US7628592 Fluid machine having reduced heat input to fluid |
| 12/03/2009 | WO2009145297A1 Refrigerant compressor and valve unit |
| 12/03/2009 | WO2009145232A1 Enclosed compressor and refrigeration cycle device |
| 12/03/2009 | US20090297383 Oil rotary vacuum pump and manufacturing method thereof |
| 12/03/2009 | US20090297382 Expander and expander-compressor unit |
| 12/03/2009 | US20090297376 Rotary Vacuum Pump |
| 12/02/2009 | EP2128447A2 Rotary compressor |
| 12/02/2009 | EP2128384A1 Expander-integrated compressor |
| 12/02/2009 | EP2126314A2 Hydrogen g-cycle rotary internal combustion engine |
| 12/02/2009 | CN201354729Y Inflating pump viewing box |
| 12/02/2009 | CN101592154A Compressor |
| 12/02/2009 | CN101592153A Rolling ring structure of compressor |
| 12/02/2009 | CN101592152A Rotary compressor |
| 12/02/2009 | CN100564890C Pendular ring type chlorine gas pump impeller |
| 12/02/2009 | CN100564883C Fuel injection helical lobe compressor lubricant oil ancillary equipment |
| 12/02/2009 | CN100564881C Capacity varying type rotary compressor and refrigeration system having the same |
| 12/02/2009 | CN100564875C Motor-driven compressor |
| 11/26/2009 | WO2009142023A1 Fluid machine and refrigeration cycle device |
| 11/26/2009 | WO2009141956A1 Fluid machine and refrigeration cycle device |
| 11/26/2009 | WO2009123400A3 Scroll compressor |
| 11/25/2009 | EP2122176A1 Vacuum pump |
| 11/25/2009 | CN201351611Y Screw oil pump station of thin oil seal-type gas tank |
| 11/25/2009 | CN201351610Y Oscillating compressor with air-supplying enthalpy-adding device |
| 11/25/2009 | CN201351609Y Screw air compressor tank body structure |
| 11/25/2009 | CN201351608Y Refrigeration compressor with dismountable shell |
| 11/25/2009 | CN201351607Y Rotary compressor with air jet system |
| 11/25/2009 | CN201351594Y Connecting rod of compressor |
| 11/25/2009 | CN201351590Y Ceiling-mounted air filter used for air compressor |