Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462)
07/2011
07/13/2011EP2343457A1 Screw compressor
07/13/2011EP2342461A2 Supercharger system for motorized vehicles and related transportation
07/13/2011EP2342424A1 Vane for a single-vane vacuum pump
07/13/2011EP1963678B1 A screw compressor
07/13/2011CN201896755U High-precision screw host rotor
07/13/2011CN201896751U Translational rotor type variable capacity device
07/13/2011CN201896750U Nose of double-screw air compressor
07/13/2011CN201896749U Host machine of positive displacement oil injection double-screw air compressor
07/13/2011CN201896748U Blast blower with high-pressure blast preventing structure
07/13/2011CN201896747U Oil-saving air blower
07/13/2011CN201896746U Gas injection structure of scroll compressor
07/13/2011CN201896745U Gas injection structure of scroll compressor
07/13/2011CN102124229A Rotary compressor
07/13/2011CN102124228A Scroll compressor with improved back pressure control function
07/13/2011CN102121475A Trilobal water-cooling roots vacuum pump
07/13/2011CN102121473A Scroll machine with continuous capacity modulation
07/13/2011CN102121472A Check valve device for vortex compressor
07/13/2011CN101624984B Vertical single screw air compressor
07/12/2011US7976296 Scroll compressor having capacity modulation system
07/12/2011US7976295 Compressor having capacity modulation system
07/12/2011US7976294 Scroll fluid machine having stationary and orbiting scrolls having a coupling mechanism to allow the orbiting scroll to orbit relative to the second scroll
07/07/2011WO2011080924A1 Lubricating oil supply structure of vane-type compressor
07/07/2011WO2011080865A1 Compressor
07/07/2011WO2011020305A8 Fully-enclosed rotor type refrigeration compressor
07/07/2011US20110165006 Scroll compressor
07/06/2011CN201891606U Screw compressor with air volume regulating block
07/06/2011CN1955477B Multi-stage rotary compressor
07/06/2011CN102119277A Compressor and air-conditioner having the same
07/06/2011CN102116298A Lubrication mechanism of vortex compressor
07/06/2011CN102116295A Rolling rotor compressor
07/06/2011CN102116294A Spherical cylinder for constant torque compressors and gas engines
07/06/2011CN102116293A Helical compressor for refrigerating medium
07/06/2011CN102116292A Check valve device of vortex compressor
07/06/2011CN102116291A Check valve device of vortex compressor
07/06/2011CN102115602A Resin vortex disc and material composition used therefor
07/06/2011CN101672281B Vortex body, scroll compressor and spraying technique thereof
07/05/2011US7972126 Power steering system hydraulic pump
07/05/2011US7972125 Compressor having output adjustment assembly including piston actuation
06/2011
06/30/2011WO2011078016A1 Vane compressor
06/30/2011WO2011077930A1 Multi-stage vacuum pump
06/30/2011WO2011077724A1 Single-screw compressor
06/30/2011WO2011077657A1 Screw compressor
06/30/2011WO2010142003A8 Rotor for a screw compressor
06/29/2011EP2339179A2 Rotary compressor
06/29/2011CN201884281U Single-cylinder dual-rotor rotary type refrigerating compressor
06/29/2011CN102112748A Self-lubricating screw compressor
06/29/2011CN102112747A 旋转式压缩机 Rotary compressor
06/29/2011CN102112746A Oil separator and silencer for screw-type compressor
06/29/2011CN102112745A Scroll fluid machine
06/29/2011CN102108968A Blade-tape compressor
06/29/2011CN102108967A Blade-tape compressor
06/29/2011CN101550934B Scroll-type fluid machine
06/29/2011CN101387294B Translational rotor type compressor
06/28/2011US7967586 Method for manufacturing trochoid pump and trochoid pump obtained
06/28/2011US7967585 Method for manufacturing trochoid pump and trochoid pump obtained
06/28/2011US7967584 Scroll machine using floating seal with backer
06/28/2011US7967583 Compressor having capacity modulation system
06/28/2011US7967582 Compressor having capacity modulation system
06/27/2011DE202011000932U1 Luftverdichter Air compressor
06/23/2011WO2011072617A1 Totally-enclosed type refrigeration compressor and rotor compressor unit thereof
06/23/2011WO2011041856A3 Method for the axial positioning of bearings on a shaft journal.
06/23/2011WO2010119038A3 Screw-type vacuum pump
06/22/2011EP2336675A1 Refrigerating apparatus
06/22/2011EP2336567A2 Rotary vane pump with liquids separator
06/22/2011EP2336566A1 Rolling bearing arrangement
06/22/2011EP2334935A2 Rotary pump
06/22/2011EP2334934A2 High efficiency supercharger outlet
06/22/2011EP1702163B1 Worm compressor provided with a sound absorber
06/22/2011CN201874829U Rotor of spiral host machine
06/22/2011CN201874826U Scroll compressor and support structure thereof
06/22/2011CN201874823U Trefoil water-cooled Roots vacuum pump
06/22/2011CN201874822U Screw type vacuum pump
06/22/2011CN201874820U 变容式旋转压缩机 Variable capacity rotary compressor
06/22/2011CN201874819U 旋转压缩机 Rotary compressor
06/22/2011CN201874818U 旋转式压缩机 Rotary compressor
06/22/2011CN201874817U 旋转式压缩机 Rotary compressor
06/22/2011CN201874816U Novel energy-saving and noise-reducing single-screw compressor with oil return point
06/22/2011CN201874815U Positioning structure of scroll compressor
06/22/2011CN201874814U Scroll type air-conditioner compressor used in room
06/22/2011CN102105694A Variable capacity type rotary compressor, cooling apparatus having the same, and method for driving the same
06/22/2011CN102105693A Variable capacity type rotary compressor
06/22/2011CN102105692A Oil recovery member, and motor mechanism and compressor using the same
06/22/2011CN101440808B Oil surface control device of horizontal rotary compressor
06/21/2011US7963753 Scroll compressor bodies with scroll tip seals and extended thrust region
06/21/2011US7963744 Cooling of pump rotors
06/21/2011CA2631001C Internal combustion engine
06/16/2011WO2010136472A3 Microsystems for converting pressures and compression
06/16/2011DE19941787B4 Schraubenvakuumpumpe mit Schraubengängen mit sich verändernder Steigung Screw vacuum pump with screw threads with varying slope
06/16/2011DE102010053915A1 Verformter Mantel zum Halten des Motorstators in einem Kompressormantel Deformed shell to hold the motor stator in a compressor jacket
06/16/2011DE102010053340A1 Scrollkompressor-Kapazitätsmodulation mit Elektromagnet- und Fluid-Hybridsteuerung Scroll compressor capacity modulation with solenoid and fluid hybrid control
06/16/2011DE102009057805A1 Drehkolben- oder Schraubenrotor als Hohlkörper aus einem kaltgewalzten Stahlprofil Rotary piston or screw rotor as a hollow body made of cold rolled steel section
06/15/2011EP2331823A1 Vacuum pump
06/15/2011CN201865916U Roots blower
06/15/2011CN201865915U Roots blower used for sewage treatment
06/15/2011CN201865914U Three-lobe Roots blower for treating sewage
06/15/2011CN201865913U Scroll type compressor with improved casing structure
06/15/2011CN102099583A Cooling for a screw pump
06/15/2011CN102099582A Vacuum pump in particular roots type pump
06/15/2011CN102094826A Plane cross coupling of scroll compressor
06/15/2011CN102094823A Cylinder assembly and core-adjusting method for cylinder of double-cylinder rotary compressor
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