| Patents for F04C 23 - Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids (6,201) |
|---|
| 04/23/2008 | CN100383393C Variable capacity rotary compressor |
| 04/22/2008 | CA2441911C Compressor having counterweight shield |
| 04/22/2008 | CA2441909C Compressor assembly having baffle |
| 04/22/2008 | CA2441908C Compressor having alignment bushings and assembly method |
| 04/22/2008 | CA2441835C Compressor discharge assembly |
| 04/22/2008 | CA2441827C Compressor having discharge valve |
| 04/17/2008 | WO2008044456A1 Rotary expander |
| 04/17/2008 | WO2008044064A2 Vacuum pump |
| 04/16/2008 | EP1911975A1 Sealed electric compressor |
| 04/16/2008 | EP1910682A1 Vacuum pump |
| 04/16/2008 | EP1910676A1 Hermetic compressor with a heat dissipation system |
| 04/16/2008 | EP1215450B1 Multi-stage compression refrigerating device |
| 04/16/2008 | CN201047343Y Vehicle mounted air conditioner |
| 04/16/2008 | CN101163861A Scroll expander |
| 04/09/2008 | EP1908958A2 Rotary compressor and heat pump system |
| 04/09/2008 | EP1611356B1 Scroll compressor with bifurcated flow pattern |
| 04/09/2008 | CN201045346Y Enclosed rotary compressor |
| 04/09/2008 | CN101160467A Rotary fluid machine |
| 04/09/2008 | CN101158516A Refrigerant cycling device |
| 04/09/2008 | CN101158354A Multi-cylinder compressors |
| 04/09/2008 | CN101158353A Composite dry vacuum pump having roots and screw rotor |
| 04/09/2008 | CN100379992C Screw compressor with guide plate |
| 04/09/2008 | CN100379988C Electric compressor fitted with exchanger |
| 04/09/2008 | CN100379894C Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 04/08/2008 | US7354259 Scroll compressor having a valved back pressure chamber and a bypass for overcompression |
| 04/08/2008 | US7354251 Variable capacity rotary compressor |
| 04/05/2008 | CA2562707A1 Variable capacity natural gas compressor |
| 04/02/2008 | EP1906023A1 Evacuation apparatus |
| 04/02/2008 | EP1906022A1 Evacuation apparatus |
| 04/02/2008 | CN100378337C Overheating protection apparatus of scroll compressor |
| 04/01/2008 | US7351043 Horizontal compressor end cap |
| 03/27/2008 | US20080075609 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit |
| 03/26/2008 | EP1902496A1 Electric power terminal feed-through |
| 03/26/2008 | CN100376847C Air conditioner |
| 03/26/2008 | CN100376800C Fluid compressor |
| 03/26/2008 | CN100376799C Compressor |
| 03/26/2008 | CN100376792C Hermetic compressor |
| 03/19/2008 | EP1900943A1 Method of controlling the stopping operation of vacuum pump and device therefor |
| 03/19/2008 | CN101147003A Hybrid compressor |
| 03/19/2008 | CN101144477A Double-cylinder compressor lower-bearing seal groove structure |
| 03/18/2008 | US7344366 Hermetic compressor having a high pressure chamber |
| 03/13/2008 | WO2008030491A2 Two stage pressure regulation system for variable displacement hydraulic pumps |
| 03/12/2008 | CN201034077Y Vehicle-carrying coal bed gas compressor arrangement |
| 03/06/2008 | WO2008026428A1 Multi-stage rotary fluid machine and refrigeration cycle device |
| 03/06/2008 | WO2008009073A8 Method for controlling a compressed air unit and a controller and compressed air unit for applying such a method |
| 03/05/2008 | CN101135309A Multi-stage rotary compressor and its method for setting elimination volume ratio |
| 03/04/2008 | US7338266 Screw pump and method of operating the same |
| 03/04/2008 | US7338261 Hybrid compressor |
| 02/28/2008 | US20080050995 Hydroxyl-Terminated Thiocarbonate Containing Compounds, Polymers, and Copolymers, and Polyurethanes and Urethane Acrylics Made Therefrom |
| 02/28/2008 | US20080050257 Oil free screw compressor |
| 02/28/2008 | DE102006039958A1 Drehschieber-Vakuumpumpe bzw.-Verdichter in Blockbauweise mit fliegend gelagertem Scheibenläufer-Synchronmotor Rotary vane vacuum pump or compressor block design with cantilevered disc rotor synchronous motor |
| 02/27/2008 | CN201027653Y Unsymmetrical crankshaft structure of two-stage rolling rotor compressor |
| 02/27/2008 | CN201027627Y Expanding type air compressor |
| 02/27/2008 | CN100371594C Package-type fluidic apparatus |
| 02/21/2008 | WO2008019416A1 Multi-stage compressor |
| 02/21/2008 | CA2660494A1 Multi-stage compressor |
| 02/20/2008 | CN101128673A Multilevel rotary compressor |
| 02/20/2008 | CN101128671A Single-shaft vacuum positive displacement pump |
| 02/20/2008 | CN100370197C Compressor for refrigerant cycling device |
| 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 | EP1886024A1 Scroll-type refrigerant compressor |
| 02/13/2008 | CN101124410A Ejector pump |
| 02/12/2008 | CA2468632C Compressor crankshaft with bearing sleeve and assembly method |
| 02/07/2008 | US20080031756 Capacity Variable Type Twin Rotary Compressor And Driving Method Thereof And Airconditioner With This and Driving Method Thereof |
| 02/06/2008 | CN100367636C Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method |
| 02/06/2008 | CN100366993C Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 02/06/2008 | CN100366913C Horizontal rotary compressor |
| 02/06/2008 | CN100366910C Scroll compressor having overheat preventing unit |
| 02/06/2008 | CN100366909C Variable capacity rotary compressor |
| 02/06/2008 | CN100366906C Scroll type fluid machine |
| 01/31/2008 | US20080025860 Two-stage rotary compressor |
| 01/31/2008 | US20080025858 Composite dry vacuum pump having roots and screw rotor |
| 01/31/2008 | DE102007026961A1 Fluid-Verdrängungsmaschine Fluid-displacement machine |
| 01/30/2008 | EP1882857A1 Rotary compressor |
| 01/30/2008 | EP1882856A1 Complex dry vacuum pump having Roots and screw rotors |
| 01/30/2008 | CN100365282C Scroll compressor and refrigerating system using ammonia group refrigerant |
| 01/24/2008 | WO2008009073A1 Method for controlling a compressed air unit and a controller and compressed air unit for applying such a method |
| 01/24/2008 | WO2008009072A1 Method for controlling a compressed air installation and controller and compressed air installation for employing such a method |
| 01/24/2008 | US20080019855 Controller for motor |
| 01/24/2008 | DE10197270B4 Vakuumpumpe Vacuum pump |
| 01/23/2008 | CN101109383A Rolling piston type air-conditioner compressor used for hybrid automobile |
| 01/23/2008 | CN101109382A Oil free screw compressor |
| 01/23/2008 | CN100363623C Variable capacity rotary compressor |
| 01/23/2008 | CN100363622C Variable capacity rotary compressor |
| 01/23/2008 | CN100363621C Improvements in seal assemblies |
| 01/17/2008 | US20080010826 Method of manufacturing a compressor |
| 01/15/2008 | US7318325 Method and apparatus for highly efficient compact vapor compression cooling |
| 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 |
| 01/09/2008 | CN101100999A Rotary compressor and refrigeration cycle device using the same |
| 01/02/2008 | EP1873350A1 Scroll expander |
| 01/02/2008 | CN100359163C Compressor with built-in motor and mobile structure using the same |
| 12/27/2007 | DE102006030917A1 Oil pump and vacuum pump module for e.g. petrol engine, has driven gears connected with each other for collectively driving oil and vacuum pumps that are arranged in common housing with common mounting surface |
| 12/26/2007 | CN101094992A Refrigerating cycle device and rotary hermetic compressor |
| 12/26/2007 | CN100357607C Variable capacity rotary compressor |
| 12/25/2007 | US7311501 Scroll compressor with bifurcated flow pattern |
| 12/21/2007 | WO2007145465A1 A scroll compressor improved in function of oil circulation and back pressure control |