| 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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| 04/01/2008 | US7351043 Horizontal compressor end cap |
| 03/27/2008 | WO2008035599A1 Motor and compressor |
| 03/27/2008 | US20080075609 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit |
| 03/27/2008 | DE102007039190A1 Positive displacement supercharger e.g. Roots type or screw type compressor, for supercharging internal combustion engine, has fan driven by pulley and positioned to blow cooling air directly onto front cover of case for cooling oil in case |
| 03/26/2008 | EP1773434A4 Method and apparatus for reducing noise in a roots-type blower |
| 03/26/2008 | CN201041278Y Air regulation type compressor bracket structure |
| 03/26/2008 | CN201041157Y Roots blower units |
| 03/26/2008 | CN101151465A Scroll fluid machine |
| 03/26/2008 | CN100376801C Vacuum pump for vehicle |
| 03/26/2008 | CN100376800C Fluid compressor |
| 03/26/2008 | CN100376797C Vortex compressor |
| 03/26/2008 | CN100376792C Hermetic compressor |
| 03/25/2008 | US7347673 Fluid machine served as expansion device and compression device |
| 03/20/2008 | DE19857453B4 Temperaturüberwachung an Rotoren von Vakuumpumpen Temperature control of rotors of vacuum pumps |
| 03/20/2008 | DE102007000410A1 Verdichterlager Compressor bearing |
| 03/19/2008 | EP1900943A1 Method of controlling the stopping operation of vacuum pump and device therefor |
| 03/19/2008 | CN201037462Y Novel exhaust seat ring structure for rotary piston compressor |
| 03/19/2008 | CN201037461Y Rotary piston compressor with stage-shape spring hole |
| 03/19/2008 | CN201037460Y Rotary compressor double-exhaust structure |
| 03/19/2008 | CN201037456Y Silencer with exhaust hole of dipole reversed phase structure |
| 03/19/2008 | CN201037455Y Contracted cavity structure silencer |
| 03/19/2008 | CN201036314Y Steaming and boiling food vacuum fast cooling machine |
| 03/19/2008 | CN101147003A Hybrid compressor |
| 03/19/2008 | CN101146998A Electric motor-driven compressor |
| 03/19/2008 | CN101144478A Supercharger with gear case cooling fan |
| 03/19/2008 | CN101144477A Double-cylinder compressor lower-bearing seal groove structure |
| 03/19/2008 | CN100375849C Vortex compressor with oil adjusting function |
| 03/19/2008 | CN100375848C Damping device for hermetic compressor |
| 03/19/2008 | CN100375847C Device for decreasing rotary compressor lubricant oil loss discharge |
| 03/19/2008 | CN100375846C Anti-reverse device of vortex compressor |
| 03/18/2008 | US7344366 Hermetic compressor having a high pressure chamber |
| 03/18/2008 | US7344364 Fluid machine |
| 03/13/2008 | WO2008003279A3 Vacuum pump, injection mold for said pump housing, method for the production of the pump housing, and method for the production of a pump housing comprising two seals produced in one operation |
| 03/12/2008 | EP1896726A1 Liquid ring compressor |
| 03/12/2008 | CN201034077Y Vehicle-carrying coal bed gas compressor arrangement |
| 03/12/2008 | CN101139992A Helical lobe compressor oil way system multifunctional pile-up valve |
| 03/12/2008 | CN100374728C Hydraulic pump apparatus |
| 03/12/2008 | CN100374727C Low-noise Roots blower |
| 03/12/2008 | CN100374726C Fixed structure of constant vortex in vortex type compressor |
| 03/11/2008 | US7340879 Locally powered water distillation system |
| 03/06/2008 | WO2008026496A1 Movable vane compressor |
| 03/06/2008 | WO2008026232A1 Improvements to reciprocating positive-displacement compressors |
| 03/06/2008 | US20080053438 Portable ventilator system |
| 03/06/2008 | DE10009673B4 Spiralkompressor Scroll compressor |
| 03/06/2008 | CA2661684A1 Improvements to reciprocating positive-displacement compressors |
| 03/05/2008 | CN201031797Y Totally enclosed double screws type ammonia refrigerating compressor |
| 03/05/2008 | CN201031796Y Swirl type cold compressor |
| 03/05/2008 | CN201031788Y High-frequency pipe welding air-conditioner compressor case |
| 03/05/2008 | CN201031787Y Airplane start-up gas tank car compressor induction trunk |
| 03/05/2008 | CN201031786Y Airplane start-up gas tank car compressor peripheral induction trunk |
| 03/05/2008 | CN100373055C Screw compressor injected with water |
| 03/04/2008 | US7338268 Discharge valve device of a compressor |
| 03/04/2008 | US7338266 Screw pump and method of operating the same |
| 03/04/2008 | US7338261 Hybrid compressor |
| 02/28/2008 | WO2008023962A1 Variable capacity type rotary compressor |
| 02/28/2008 | WO2008023694A1 Expander-integrated compressor and refrigeration cycle device with the same |
| 02/28/2008 | WO2008023033A1 Attaching a filter muffler |
| 02/28/2008 | WO2008022916A1 Method for reacting self-igniting dusts in a vacuum pump device |
| 02/28/2008 | WO2008022417A1 Fluid tubing welded to a compressor housing and method |
| 02/28/2008 | DE10151176B4 Verdichteranlage mit mindestens einem wassereingespritzten Schraubenverdichter zum Verdichten von Gas Compressor system with at least one water-injected screw compressor for compressing gas |
| 02/27/2008 | EP1891305A2 Device for coupling a vacuum pump with a camshaft comprising means supplying lubricating fluid |
| 02/27/2008 | CN201027654Y Drop tank device of slide valve vacuum pump |
| 02/27/2008 | CN201027653Y Unsymmetrical crankshaft structure of two-stage rolling rotor compressor |
| 02/27/2008 | CN201027650Y Roots vacuum pump |
| 02/27/2008 | CN201027623Y Vibration absorber of air-conditioner compressor |
| 02/27/2008 | CN201027622Y Honeycomb pipe type energy-saving supercharger of air compressor |
| 02/27/2008 | CN101133252A Compressor discharge muffler |
| 02/27/2008 | CN101131157A Scroll compressor |
| 02/27/2008 | CN100371605C Eccentric coupling device in radial compliance scroll compressor |
| 02/27/2008 | CN100371604C Eccentric coupling device in radial compliance scroll compressor |
| 02/27/2008 | CN100371603C Eccentric bush structure in radial compliance scroll compressor |
| 02/27/2008 | CN100371602C Air suction connecting apparatus for closed rotary compressor |
| 02/27/2008 | CN100371599C Discharge portion for screw compressor with tangential flow guide cusp |
| 02/27/2008 | CN100371594C Package-type fluidic apparatus |
| 02/21/2008 | WO2008019815A1 Rotor cooling for dry-running twin-shaft vacuum pumps or compressors |
| 02/21/2008 | DE102006038419A1 Rotorkühlung für trocken laufende Zweiwellen-Vakuumpumpen bzw. -Verdichter Rotor cooling for dry-running two-shaft vacuum pumps and compressors |
| 02/21/2008 | DE102006038418A1 Dry running rotary slide vacuum pump or compressor has rotor in housing driven by drive shaft and slides in slots of rotor sliding towards outside in peripheral direction |
| 02/20/2008 | EP1890040A2 Vacuum pump |
| 02/20/2008 | EP1890038A2 Screw pump |
| 02/20/2008 | EP1888920A1 Vacuum pump for vehicle motors and a one-way valve for said vacuum pump |
| 02/20/2008 | EP1055823B1 Vane type vacuum pump for automobiles |
| 02/20/2008 | CN201025261Y Rotary compressor with gas spraying and enthalpy addition function |
| 02/20/2008 | CN201025255Y A vacuum exhaust valve |
| 02/20/2008 | CN100370142C Vortex compressor |
| 02/20/2008 | CN100370139C Compressor |
| 02/14/2008 | US20080038134 Scroll compressor |
| 02/14/2008 | US20080038133 Scroll Compressor |
| 02/14/2008 | US20080038132 Rotary Dry Vacuum Pump |
| 02/13/2008 | EP1887225A1 Electric compressor |
| 02/13/2008 | EP1886025A1 Vane-cell pump |
| 02/13/2008 | EP1886024A1 Scroll-type refrigerant compressor |
| 02/13/2008 | CN201021665Y Up and down end non plane leaf for rotary piston compressor |
| 02/13/2008 | CN101122293A Discharge pipe structure of compressor |
| 02/13/2008 | CN101122292A Compressor bottom corner vibration damping mat |
| 02/13/2008 | CN101122291A Screw pump |
| 02/13/2008 | CN100368687C Positioning method and polsitioning apparatus |
| 02/07/2008 | US20080031761 Cooling of Pump Rotors |
| 02/06/2008 | CN201016332Y Compressor housing |
| 02/06/2008 | CN201016331Y Highly effective oil gas separating element |
| 02/06/2008 | CN201016330Y Vacuum pump steam water separator |