| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 07/09/2008 | CN100400882C Capacity modulated scroll compressor |
| 07/09/2008 | CN100400879C Rotary compressor |
| 07/09/2008 | CN100400878C Unsymmetric porthole of multirotor screw compressor |
| 07/09/2008 | CN100400877C Scroll compressor with bifurcated flow pattern |
| 07/09/2008 | CN100400871C Compressor |
| 07/09/2008 | CN100400204C Powder metal scrolls |
| 07/08/2008 | US7396213 Oil utilized as motor protector trip for scroll compressor |
| 07/03/2008 | WO2008079131A1 Screw compressor with integral bearing cover and discharge plenum divider |
| 07/03/2008 | US20080161077 Rock trap for combine header |
| 07/03/2008 | US20080159895 Sealing structure and packing element thereof |
| 07/03/2008 | DE112005000912T5 Beschichtete Pumpen-Baugruppe Coated pump assembly |
| 07/02/2008 | EP1939453A2 Scroll fluid machine |
| 07/02/2008 | EP1939452A2 A fluid machine connected to a drive source via a magnetic coupling |
| 07/02/2008 | EP1937976A1 Horizontal scroll compressor |
| 07/02/2008 | CN201080914Y Double screw rod vacuum fluid pump |
| 07/02/2008 | CN101210787A Ventilating apparatus, heat exchange apparatus, and heat exchange element therefor |
| 07/02/2008 | CN101210560A Gyration type compressor and air-conditioner with the same |
| 07/02/2008 | CN101210559A Dual-rotor rotary compressor |
| 07/02/2008 | CN101210558A Slide for slide vane compressor |
| 07/02/2008 | CN101210557A Roots dry type vacuum pump rotor capable of directly discharging to air and molded lines design thereof |
| 07/02/2008 | CN101210556A Roots dry type vacuum pump rotor capable of directly discharging to air and processing technique thereof |
| 07/02/2008 | CN101210555A Scroll fluid machine |
| 07/02/2008 | CN100398836C Rotary type compressor bottom lid arrangement |
| 07/02/2008 | CN100398834C Scroll compressor |
| 07/02/2008 | CN100398832C Lubricating oil supplying apparatus of horizontal compressor |
| 07/02/2008 | CN100398829C Antiwear structure for preventing wankle compressor |
| 07/02/2008 | CN100398828C Scroll fluid machine with a silencer |
| 07/02/2008 | CN100398827C Scroll compressor having function of preventing outflow of lubrication oil |
| 07/02/2008 | CN100398826C Compressor |
| 07/02/2008 | CN100398180C Filtration vessel and method for rotary gas compressor system |
| 07/01/2008 | US7393192 Rotary vane pump |
| 07/01/2008 | US7393191 Internal refrigerant gas circulation apparatus for a closed-type scroll compressor |
| 06/26/2008 | WO2008075507A1 Single-shaft eccentric screw pump |
| 06/26/2008 | WO2008075415A1 Scroll compressor |
| 06/26/2008 | WO2008044064A3 Vacuum pump |
| 06/26/2008 | US20080152526 Vapor injection system for a scroll compressor |
| 06/26/2008 | US20080152525 Scroll fluid machine |
| 06/26/2008 | DE4030789B4 Verfahren und Vorrichtung zur Herstellung eines Hauptrotors Method and apparatus for producing a master rotor |
| 06/25/2008 | EP1936201A2 Compressor system with oil separator |
| 06/25/2008 | EP1936200A2 Lubricant sealed rotary slide vacuum pump |
| 06/25/2008 | EP1936199A2 Lubricated vane type vacuum pump |
| 06/25/2008 | EP1936198A2 Vacuum pump |
| 06/25/2008 | EP1936197A1 Scroll compressor with vapor injection system |
| 06/25/2008 | EP1936196A2 Fluid machine |
| 06/25/2008 | EP1934481A1 Rotor pump |
| 06/25/2008 | EP1934480A1 Rotor pump and vane for a rotor pump |
| 06/25/2008 | EP1934472A1 Slide valve |
| 06/25/2008 | CN201078331Y Low-power consumption rolling piston type refrigeration compressor |
| 06/25/2008 | CN201078330Y Energy-saving single-screw rod compressor |
| 06/25/2008 | CN201078318Y Ammonia refrigerating compressor |
| 06/25/2008 | CN101208496A Fluid machine and refrigeration cycle device |
| 06/25/2008 | CN101205947A Bearing and liquid cooling type screw compressor |
| 06/25/2008 | CN101205927A Connecting structure between rotary compressor and heat exchange cycle component |
| 06/25/2008 | CN101205925A Air bubble discharging structure of scroll compressor |
| 06/25/2008 | CN101205923A Supporting device for rotation axis of compressor |
| 06/25/2008 | CN101205922A Thrust plate and cyclone compressor with the same |
| 06/25/2008 | CN101205921A Crank axle of enclosed type compressor and manufacturing method thereof |
| 06/25/2008 | CN101205920A Device for preventing cyclone compressor from superheating |
| 06/25/2008 | CN101205919A Bowel fixing structure of enclosed type rotary compressor |
| 06/25/2008 | CN101205918A Abrasion-resistant device for rotary compressor |
| 06/25/2008 | CN101205917A Rotary compressor |
| 06/25/2008 | CN101205916A Steam injection system of eddy compressor |
| 06/25/2008 | CN101205915A Scroll compressor with the function of reducing oil discharging amount |
| 06/25/2008 | CN101205914A Device for preventing scroll compressor from superheating |
| 06/25/2008 | CN101205913A Power variable device of scroll compressor |
| 06/25/2008 | CN101205912A Rotation balance device of enclosed scroll compressor |
| 06/25/2008 | CN101205911A Bearing centering device of scroll compressor and bearing centering method thereof |
| 06/25/2008 | CN101205910A Scroll compressor having function of reducing lubricating oil resistance |
| 06/25/2008 | CN101205909A Coolant counterflow preventing unit for scroll compressor |
| 06/25/2008 | CN101205908A Bearing arrangement of scroll compressor |
| 06/25/2008 | CN101205907A Scroll compressor and assembling method thereof |
| 06/25/2008 | CN101205906A Vacuum preventing device of turbo-compressor |
| 06/25/2008 | CN100396936C Stage regulating method of gas amount in single-screw compressor with plunger solenoid valve |
| 06/25/2008 | CN100396935C Hermetic rotary compressor |
| 06/25/2008 | CN100396934C Vane pump |
| 06/25/2008 | CN100396933C Rotary compressor |
| 06/25/2008 | CN100396932C Convenient single-screw compressor |
| 06/25/2008 | CN100396931C Vorticity compression pump |
| 06/25/2008 | CN100396930C Scroll compressor |
| 06/25/2008 | CN100396929C Compressor and overload protecting apparatus |
| 06/24/2008 | USRE40400 Capacity modulated scroll machine |
| 06/24/2008 | USRE40399 Low charge protection vent |
| 06/24/2008 | US7390181 Rotating piston machine |
| 06/24/2008 | US7389649 Cooling system with variable duty cycle capacity control |
| 06/24/2008 | US7389582 Compressor mounting bracket and method of making |
| 06/19/2008 | WO2008073334A2 Scroll compressor with capacity modulation |
| 06/19/2008 | WO2008072721A1 Scroll fluid machine |
| 06/19/2008 | WO2008072720A1 Scroll fluid machine |
| 06/19/2008 | WO2008071243A1 A vacuum pump provided with a device for its deactivation |
| 06/19/2008 | US20080145253 Scroll Fluid Machine |
| 06/19/2008 | DE102006058843A1 Vakuumpumpe Vacuum pump |
| 06/18/2008 | EP1933034A2 Rotary compressor |
| 06/18/2008 | EP1931880A1 Method of pumping gas |
| 06/18/2008 | CN201074591Y Multilevel Roots dry vacuum pump for straight discharging atmosphere |
| 06/18/2008 | CN101203677A 旋转式真空泵 Rotary vacuum pump |
| 06/18/2008 | CN101201050A Rotary compressor, and car air conditioner and heat pump type water heater using the compressor |
| 06/18/2008 | CN100395454C Turbine compressor |
| 06/18/2008 | CN100395453C Variable capacity rotary compressor |
| 06/18/2008 | CN100395452C Variable capacity rotation compressor |
| 06/17/2008 | US7387498 System and method for noise attenuation of screw compressors |