| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 01/23/2008 | CN100363625C Compressor |
| 01/23/2008 | CN100363624C Compressor with foreign body collector |
| 01/23/2008 | CN100363623C Variable capacity rotary compressor |
| 01/23/2008 | CN100363622C Variable capacity rotary compressor |
| 01/23/2008 | CN100363621C Improvements in seal assemblies |
| 01/23/2008 | CN100363620C Sliding block rotor pump |
| 01/23/2008 | CN100363601C Engine with quadrangle rotor |
| 01/22/2008 | US7320578 Compressor |
| 01/22/2008 | CA2495575C Inlet piece for a liquid-injected compressor element |
| 01/22/2008 | CA2308665C Displacement machine for compressible media |
| 01/17/2008 | WO2008007612A1 Scroll compressor |
| 01/17/2008 | US20080010826 Method of manufacturing a compressor |
| 01/16/2008 | EP1878921A1 Closed type fluid machine |
| 01/16/2008 | EP1878870A2 Screw machine |
| 01/16/2008 | EP1766238B1 Single-winged vacuum pump |
| 01/16/2008 | CN201007279Y Double screw rods air compressor |
| 01/16/2008 | CN201007278Y Novel screw type air compressor |
| 01/16/2008 | CN201007277Y Screw type air compressor |
| 01/16/2008 | CN101106295A Rotor, closed type compressor and refrigeration circulation device |
| 01/16/2008 | CN101106293A Electric motor and electric compressor |
| 01/16/2008 | CN101105176A Oil supply unit for scroll compressor |
| 01/16/2008 | CN101105174A Low-power consumption rolling piston type refrigerating compressor |
| 01/16/2008 | CN100362241C Method for controlling the oil recirculation in an oil-injected screw-type compressor and compressor using this method |
| 01/16/2008 | CN100362240C Rotary plate type vacuum pump |
| 01/16/2008 | CN100362239C Device for preventing reverse rotationof scroll compressor |
| 01/16/2008 | CN100362238C Vortex type compressor |
| 01/16/2008 | CN100362210C Fluid machine |
| 01/15/2008 | US7318712 Rotary piston machines comprising a displaceable inner housing |
| 01/15/2008 | US7318711 Oil supply structure of scroll compressor |
| 01/15/2008 | US7318710 Fixed scroll of scroll compressor |
| 01/15/2008 | US7318325 Method and apparatus for highly efficient compact vapor compression cooling |
| 01/15/2008 | US7318275 Method of remanufacturing a compressor |
| 01/10/2008 | WO2008004983A1 Revolving vane compressor |
| 01/10/2008 | WO2008003657A1 Drive for a screw spindle pump |
| 01/10/2008 | US20080008608 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigerant unit |
| 01/10/2008 | DE102007030475A1 Cooling for a screw spindle pump, to impel and compress gases, uses the lubricating oil as the coolant passes through a ribbed tube cooler around the pump housing |
| 01/10/2008 | DE102007030201A1 Screw spindle pump for supplying and compressing gases has a rotor inner cooling mechanism working with a coolant for a displacing rotor pair in a pump casing along with a toothed wheel fixed on the rotor |
| 01/10/2008 | DE102007030199A1 Screw spindle pump, to impel and compress gases, has an oil flow from an oil pump to the cogwheel teeth of the gearing |
| 01/09/2008 | EP1876358A1 Scroll compressor with muffler |
| 01/09/2008 | EP1876357A1 Oil supply structure of scroll compressor |
| 01/09/2008 | EP1876356A1 Scroll fluid machine |
| 01/09/2008 | EP1875076A1 Volumetric rotary machine with rotors having asymmetric profiles |
| 01/09/2008 | EP1875075A1 Pumping system and method of operation |
| 01/09/2008 | CN101103202A Fixed scroll positioning device and positioning method |
| 01/09/2008 | CN101103197A Screw compressor seal |
| 01/09/2008 | CN101100999A Rotary compressor and refrigeration cycle device using the same |
| 01/09/2008 | CN101100998A Rotary type compressor sliding sheet torsional spring and its uses |
| 01/09/2008 | CN101100997A Horizontal type scroll compressor |
| 01/09/2008 | CN101100996A Vortex type vehicular air conditioner compressor with ring pin structure |
| 01/09/2008 | CN101100995A Compressor with stably translational dynamic scroll |
| 01/09/2008 | CN101100994A Method for promoting compressor function and the manufactured compressor |
| 01/09/2008 | CN100360810C Screw profile for high flow high-pressure dual-screw pump |
| 01/09/2008 | CN100360809C Unequal-tooth-number screw profile for high-flow high-pressure dual-screen pump |
| 01/09/2008 | CN100360808C Unequal-tooth-number screw profile for high-flow high-pressure three-screw pump |
| 01/09/2008 | CN100360807C Rotary blade vacuum pump |
| 01/09/2008 | CN100360805C Gas rotationally compressing apparatus, liquid rotationally conveying device and gas engine |
| 01/08/2008 | US7316550 Scroll compressor |
| 01/08/2008 | US7316549 Step-type capacity varying apparatus of scroll compressor |
| 01/08/2008 | US7316548 Stator for an eccentric screw pump or an eccentric worm motor operating on the Moineau principle |
| 01/08/2008 | US7316546 Screw compressor |
| 01/03/2008 | WO2008001639A1 Compressor |
| 01/03/2008 | DE102006030796A1 Aufladeeinrichtung für Verbrennungskraftmaschinen Charger for internal combustion engines |
| 01/03/2008 | DE102006029896A1 Gas compressor i.e. air-conditioning compressor, for motor vehicle, has two compressor planets limiting ring channel circumferential halves into circumferential areas with cumulative distance and decreasing spacer radii, respectively |
| 01/02/2008 | EP1873398A2 Screw machine |
| 01/02/2008 | EP1873351A2 Screw machine |
| 01/02/2008 | EP1873350A1 Scroll expander |
| 01/02/2008 | CN200999730Y Air-cooled type Root's vacuum pump |
| 01/02/2008 | CN101099042A Device and method for positioning fixed scroll |
| 01/02/2008 | CN101096950A Device for changing displacement of slide vane compressor |
| 01/02/2008 | CN100359183C Valve buffer device for vortex compressor |
| 01/02/2008 | CN100359182C Rotating shaft of closed rotary compressor |
| 01/02/2008 | CN100359181C Anti-reverse device of vortex compressor |
| 01/02/2008 | CN100359178C Air leakage prevention apparatus for closed compressor |
| 01/02/2008 | CN100359177C Turbine compressor |
| 01/02/2008 | CN100359176C Swirl fluid machinery |
| 01/02/2008 | CN100359163C Compressor with built-in motor and mobile structure using the same |
| 01/01/2008 | US7314359 Vane pump for continuously variable transmission |
| 01/01/2008 | US7314358 Scroll fluid machine having an adjustment member for correcting an error in orbiting motion between fixed and orbiting scrolls |
| 01/01/2008 | US7314357 Seal member for scroll compressors |
| 01/01/2008 | US7314356 Fluid machine |
| 01/01/2008 | US7314355 Compressor including deviated separation chamber |
| 01/01/2008 | US7314035 Rotary vane engine and thermodynamic cycle |
| 01/01/2008 | US7313923 Compressor diagnostic system for communicating with an intelligent device |
| 12/27/2007 | WO2007148859A1 A scroll compressor having rotation prevention mechanism |
| 12/27/2007 | US20070297928 Rotary vane machiine |
| 12/27/2007 | DE19882986B4 Trockenvakuumpumpe Dry vacuum pump |
| 12/27/2007 | DE19512949B4 Schraubenverdichter mit Dichtungsanordnung Screw compressor seal assembly |
| 12/27/2007 | DE112005002722T5 Spiral-Fluidmaschine A scroll fluid machine |
| 12/27/2007 | DE102006028291A1 Oil-overflow screw compressor, has oil pump with functional units that are connected with free shaft end of shaft extension of respective rotor, and has housing that is arranged in intermediate housing limited at cylindrical form of lane |
| 12/26/2007 | EP1870599A1 Scroll fluid machine |
| 12/26/2007 | EP1870598A1 Scroll compressor |
| 12/26/2007 | CN200996379Y Air compressor for shell-type well drilling |
| 12/26/2007 | CN200996378Y Vortex compressor with compression-resisting sealing structure |
| 12/26/2007 | CN101092961A Roots blower |
| 12/26/2007 | CN101092960A A magnetic force compressor |
| 12/26/2007 | CN101092959A Parts of refrigeration compressor with antiwear coating, and method for manufacturing antiwear coating layer |
| 12/26/2007 | CN100357607C Variable capacity rotary compressor |
| 12/26/2007 | CN100357606C Coolant compressor and refrigerator using same |
| 12/25/2007 | US7311501 Scroll compressor with bifurcated flow pattern |
| 12/25/2007 | US7311077 Rotary positive displacement machine with orbiting piston |