| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 12/31/2008 | WO2009001765A1 Single screw compressor and method of assembling the same |
| 12/31/2008 | WO2009001680A1 Rotary compressor |
| 12/31/2008 | WO2009001677A1 Vane type vacuum pump |
| 12/31/2008 | EP2009285A1 Compressor |
| 12/31/2008 | EP2009233A1 Magnetic bearing and coupling device |
| 12/31/2008 | CN201173188Y Double end-face mechanical sealing structure for high speed screw compressor |
| 12/31/2008 | CN201173187Y Helical-screw compressor |
| 12/31/2008 | CN101334033A Magnetic bearing and coupling device |
| 12/31/2008 | CN101334028A Frequency conversion screw type cold compressor built-in Vi structure |
| 12/31/2008 | CN101334027A Frequency conversion screw type cold compressor three-support structure |
| 12/31/2008 | CN101334026A Screw compressor supporting structure |
| 12/31/2008 | CN101334025A Liquid-cooled rotor assembly for a supercharger |
| 12/31/2008 | CN100447423C Capacity variable rotary compressor |
| 12/31/2008 | CN100447422C Rotating fluid machine |
| 12/31/2008 | CN100447421C Scroll pump with controlled axial thermal expansion |
| 12/31/2008 | CN100447420C Scroll compressor |
| 12/25/2008 | US20080317610 Capacity Variable Type Rotary Compressor and Driving Method Thereof |
| 12/25/2008 | US20080314055 Refrigerant System Unloading By-Pass Into Evaporator Inlet |
| 12/25/2008 | US20080314053 Capacity Variable Type Rotary Compressor and Driving Method Thereof and Driving Method for Air Conditioner Having the Same |
| 12/24/2008 | EP2005004A1 Compressor assembly comprising a valve unit in the intake region |
| 12/24/2008 | EP2005003A1 Improved vacuum pump |
| 12/24/2008 | EP2005002A1 Screw compressor comprising a relief valve |
| 12/24/2008 | DE202008013702U1 Schraubenkompressor Screw compressor |
| 12/24/2008 | CN201170185Y Cooling structure of Root's vacuum pump |
| 12/24/2008 | CN101331323A 压缩机 Compressor |
| 12/24/2008 | CN101328895A Water-cooled air compressor |
| 12/24/2008 | CN101328893A Compressor |
| 12/24/2008 | CN101328892A Rotary type duplex-cylinder compressor |
| 12/24/2008 | CN101328891A Dual rotors translation type rotary compressing device |
| 12/24/2008 | CN101328890A Translation type rotary compressing device |
| 12/24/2008 | CN101328889A Scroll machine with continuous capacity modulation |
| 12/24/2008 | CN100445565C Variable capacity rotary compressor |
| 12/24/2008 | CN100445564C Helix vane compressor |
| 12/24/2008 | CN100445563C Scroll fluid machine |
| 12/24/2008 | CN100445561C Helical-lobe compressor for refrigerating plant |
| 12/24/2008 | CN100445118C Car air conditioner and car with its conditioner |
| 12/23/2008 | US7467935 Low input torque rotor for vane pump |
| 12/18/2008 | WO2008153061A1 Compressor, and refrigerating apparatus |
| 12/18/2008 | WO2008153060A1 Compressor |
| 12/18/2008 | WO2008152896A1 Scroll compressor |
| 12/18/2008 | WO2008152713A1 Roots pump and method of producing roots pump |
| 12/18/2008 | WO2008152280A2 Variable speed cooling compressor with spirals |
| 12/18/2008 | WO2008152055A1 Orbiting-spiral scroll pump or compressor |
| 12/18/2008 | US20080310983 Expander |
| 12/18/2008 | US20080310966 Scroll type booster |
| 12/18/2008 | US20080307809 Capacity Variable Type Rotary Compressor and Driving Method Thereof |
| 12/18/2008 | US20080307808 Capacity Variable Device for Rotary Compressor and Driving Method of Air Conditioner Having the Same |
| 12/17/2008 | EP2003339A2 Rotary piston machine |
| 12/17/2008 | EP2003289A1 Fluid machine |
| 12/17/2008 | CN201165982Y Lubricant oil return flow structure of compressor |
| 12/17/2008 | CN201165981Y Swirl conical surface type air conditioner compressor |
| 12/17/2008 | CN201165978Y Rotary petal type compressor |
| 12/17/2008 | CN201165977Y Limitation piece structure of scroll type compressor sliding block |
| 12/17/2008 | CN101326370A Rotary compressor |
| 12/17/2008 | CN101326369A Roots pump and fuel cell system |
| 12/17/2008 | CN101324235A Constant low-temperature cooling oil-free vortex air compressor |
| 12/17/2008 | CN101324234A Star wheel rotor mechanism of single screw compressor |
| 12/17/2008 | CN101324233A Vortex compressor and operating mode thereof |
| 12/17/2008 | CN101324232A Scroll fluid machine |
| 12/17/2008 | CN101324231A Tangential seal structure of vortex compressor |
| 12/17/2008 | CN100443830C Air-conditioner, outdoor unit and refrigeration unit |
| 12/17/2008 | CN100443728C Compressor |
| 12/17/2008 | CN100443727C 旋转式流体机械 Rotary fluid machine |
| 12/17/2008 | CN100443726C Coolant compressor, air conditioner therewith, and refrigerator and parts thereof |
| 12/17/2008 | CN100443725C Compression system, multicylinder rotary compressor, and refrigeration apparatus using the same |
| 12/11/2008 | WO2008149672A1 Scroll type fluid machine |
| 12/11/2008 | WO2008149491A1 Fluid machine |
| 12/11/2008 | US20080304995 Radial axis, spherical based rotary machines |
| 12/11/2008 | US20080304994 Scroll Fluid Machine |
| 12/11/2008 | US20080304990 Screw Compressor |
| 12/11/2008 | US20080304981 Motor direct drive air pump and related applications thereof |
| 12/11/2008 | US20080302129 Refrigeration system for transcritical operation with economizer and low-pressure receiver |
| 12/10/2008 | EP1838965B1 Multi-shaft vacuum pump with circular transaltion cycle |
| 12/10/2008 | CN201162679Y Miniature water cooling screw type air compressor |
| 12/10/2008 | CN201162678Y Direct connection air compressor |
| 12/10/2008 | CN201162676Y Gasoline mobile double-screw type air compressor |
| 12/10/2008 | CN201162675Y Rotary compressor with injection enthalpy-increasing function |
| 12/10/2008 | CN201162674Y Novel direct connection screw type air compressor |
| 12/10/2008 | CN101321955A Helical screw compressor |
| 12/10/2008 | CN101321954A Multi-step helical screw compressor |
| 12/10/2008 | CN101319675A Rotary compressor |
| 12/10/2008 | CN101319674A Fastener member and gas compressor using the same |
| 12/10/2008 | CN101319673A 电动压缩机 Electric compressor |
| 12/10/2008 | CN101319672A Cyclone compressor |
| 12/10/2008 | CN100441876C Capacity-changer of rotary compressor |
| 12/10/2008 | CN100441875C Rotary compressor |
| 12/10/2008 | CN100441873C Scroll compressor with hot oil temperature responsive relief of back pressure chamber |
| 12/10/2008 | CN100441871C Eccentric piston device for sealed rotary compressor |
| 12/09/2008 | US7462021 Rotary compressor, and car air conditioner and heat pump type water heater using the compressor |
| 12/09/2008 | US7461626 Powertrain including a rotary IC engine and a continuously variable planetary gear unit |
| 12/09/2008 | CA2500732C Compressor systems for use with smokeless lubricant |
| 12/09/2008 | CA2374991C Fluid rotary machine |
| 12/04/2008 | WO2008146634A1 Hybrid compressor |
| 12/04/2008 | WO2008145888A2 Method of assembling a refrigerating compressor |
| 12/04/2008 | US20080298986 Electric compressor having magnets disposed in magnet slots of rotor core |
| 12/03/2008 | EP1998046A1 Compressor, and its manufacturing method |
| 12/03/2008 | EP1766239B1 Single-winged vacuum pump |
| 12/03/2008 | EP1209361B1 Internal intermediate pressure 2-stage compression type rotary compressor |
| 12/03/2008 | CN201159173Y Cam pump units for vacuum type drainage system of city toilet |
| 12/03/2008 | CN201159172Y Improved structure of screw vacuum pump |