| 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) |
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| 09/21/2005 | CN1670374A Multicylinder rotary compressor and compressing system and refrigerating unit provided with same |
| 09/21/2005 | CN1220004C Control system of degree of superheat of air conditioner and control method thereof |
| 09/21/2005 | CN1219981C Vacuum preventer for vortex compressor |
| 09/21/2005 | CN1219978C Wear-resistant structure of swirl compressor |
| 09/20/2005 | US6945073 Refrigerant cycling device and compressor using the same |
| 09/15/2005 | WO2005085642A1 Modular volumetric compressor |
| 09/14/2005 | EP1574794A1 A freezing apparatus |
| 09/14/2005 | EP1574715A1 Scroll compressor |
| 09/14/2005 | EP1573847A2 Device for supplying air to fuel cells |
| 09/13/2005 | US6942474 Scroll fluid machine |
| 09/08/2005 | US20050196285 Compressor protection and diagnostic system |
| 09/08/2005 | US20050193734 Fluid machine |
| 09/07/2005 | EP1570162A1 Hermetic motor and gas booster |
| 09/07/2005 | CN1664471A Fluid machine |
| 09/06/2005 | US6939116 Scroll compressor |
| 09/06/2005 | US6939114 Dynamotor driven compressor and method for controlling the same |
| 09/01/2005 | WO2005080797A1 Hermetic type compressor with wave-suppressing member in the oil reservoir |
| 09/01/2005 | WO2005080796A1 Expander |
| 09/01/2005 | WO2005080756A1 Brayton cycle device and exhaust heat energy recovery device for internal combustion engine |
| 09/01/2005 | WO2004099613A3 Compressor suction gas feed assembly |
| 09/01/2005 | US20050191198 Two-stage rotary compressor |
| 09/01/2005 | DE102005001462A1 Spiralkompressor Scroll compressor |
| 08/31/2005 | EP1568887A2 Two-stage rotary compressor |
| 08/31/2005 | CN1662746A Apparatus for controlling the pressure in a process chamber and method of operating same |
| 08/31/2005 | CN1661238A Two-stage rotary compressor |
| 08/30/2005 | US6935853 Variable capacity rotary compressor |
| 08/30/2005 | US6935852 Scroll compressor having a back pressure chamber comprising high and middle pressure chambers |
| 08/25/2005 | WO2005078281A1 Vacuum device |
| 08/25/2005 | US20050183447 Refrigerant cycling device |
| 08/24/2005 | EP1566546A1 Scroll compressor and refrigerating system using ammonia |
| 08/24/2005 | EP1362188B1 Rotary piston machine for compressible media |
| 08/23/2005 | US6933465 Screw air compressor for a welder |
| 08/23/2005 | US6931866 Multistage compression type rotary compressor and cooling device |
| 08/18/2005 | WO2005075829A1 Compressor and method of plate installation |
| 08/18/2005 | US20050180871 Fluid compressor |
| 08/17/2005 | EP1563189A1 Helical compressor for refrigerating medium |
| 08/17/2005 | CN1656318A Dual-shaft vacuum pump |
| 08/17/2005 | CN1215262C Compound compressor |
| 08/17/2005 | CN1215260C Natural gas scroll compressor |
| 08/16/2005 | US6929455 Horizontal two stage rotary compressor |
| 08/11/2005 | US20050175492 Hermetic compressor |
| 08/11/2005 | US20050172662 Refrigerant cycling device |
| 08/11/2005 | US20050172661 Compressor |
| 08/11/2005 | US20050172622 Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander |
| 08/10/2005 | EP1562011A2 Digital controller for scroll compressor condensing unit |
| 08/09/2005 | US6925832 High-low pressure dome type compressor |
| 08/04/2005 | WO2005071268A1 Screw vacuum pump |
| 08/04/2005 | US20050169788 Scroll type fluid machinery |
| 08/04/2005 | DE10306547B4 Drehkolbenmaschine Rotary engine |
| 08/03/2005 | CN1648458A 压缩机机组 Compressor unit |
| 08/03/2005 | CN1213232C Swirl compressor |
| 07/28/2005 | DE20122386U1 Two-stage vacuum pump, to extract air/process gas from a vessel, has a cold gas feed to the rotary piston pump to prevent thermal expansion and sticking at the screw pump |
| 07/27/2005 | CN1646792A Scroll-type expander having heating structure and scroll-type heat exchange system employing the expander |
| 07/27/2005 | CN1644926A Double cylinder rotary compressor |
| 07/21/2005 | WO2005065355A2 Compressor protection and diagnostic system |
| 07/20/2005 | CN1643258A 机动泵 Motor pumps |
| 07/14/2005 | WO2005064166A1 Scroll compressor |
| 07/14/2005 | WO2005064165A1 Scroll compressor |
| 07/14/2005 | WO2005064160A1 Compressor |
| 07/14/2005 | US20050152792 Compressor |
| 07/14/2005 | DE10359032A1 Schraubenverdichter Screw compressor |
| 07/13/2005 | EP1553302A2 Rotary vane compressor |
| 07/13/2005 | EP1552150A1 Screw pump and method of operating the same |
| 07/13/2005 | CN1637296A Compressor |
| 07/13/2005 | CN1637234A Scroll type fluid machinery |
| 07/13/2005 | CN1210500C Oilless lubricating screw type compressor |
| 07/13/2005 | CN1210499C Multi-cylinder rotary compressor, its assembly method and its assembly device |
| 07/07/2005 | WO2005061901A1 Freezing cycle device |
| 07/07/2005 | WO2005061899A1 Modular system for attachments for helical spring compressor groups |
| 07/07/2005 | US20050144977 Refrigerant cycling device |
| 07/07/2005 | US20050144973 Compressor |
| 07/07/2005 | US20050144972 Compressor |
| 07/07/2005 | US20050144964 Refrigerant cycling device |
| 07/07/2005 | DE10159365B4 Motorbetriebener Kompressor The motor-driven compressor |
| 07/06/2005 | EP1550810A1 Vane rotary type air pump |
| 07/06/2005 | EP1550808A1 Composite drive system for compressor |
| 07/06/2005 | EP1549889A2 Method and apparatus for highly efficient compact vapor compression cooling |
| 07/05/2005 | US6912871 Structure for reducing refrigerant flow loss in compressor |
| 06/30/2005 | US20050142017 Scroll compressor with backflow-proof mechanism |
| 06/30/2005 | DE10108631B4 Vakuumpumpenanlage und Verfahren zur Erzeugung eines Endvakuums Vacuum system and method for generating a final vacuum |
| 06/30/2005 | DE10040977B4 Verdichter-Regenerator-Kombination für eine Brennstoffzelle Compressor regenerator combination for a fuel cell |
| 06/29/2005 | CN2706604Y Compressor with pressure storing device |
| 06/29/2005 | CN1632317A Compressor with control and protection system |
| 06/29/2005 | CN1208889C Vortex compressor and refrigerator using ammonia-like as refrigerant |
| 06/28/2005 | US6910872 Rotary compressor |
| 06/23/2005 | WO2005057014A1 Worm compressor provided with a sound absorber |
| 06/23/2005 | US20050135957 Oil supply device of scroll compressor |
| 06/23/2005 | US20050135940 Overheating protection apparatus of scroll compressor |
| 06/23/2005 | US20050135939 Scroll compressor having overheat preventing unit |
| 06/23/2005 | US20050133489 Screw air compressor for a welder |
| 06/23/2005 | DE102004054328A1 Hermetic compressor in super critical refrigeration cycle in vehicle, has heat insulating resin material provided at discharge chamber to directly insulate heat of fluid compressed by compression mechanism |
| 06/22/2005 | CN2705634Y Multiple stage vortex air pump |
| 06/22/2005 | CN1629494A Scroll compressor having overheat preventing unit |
| 06/22/2005 | CN1629493A Overheating protection apparatus of scroll compressor |
| 06/22/2005 | CN1629492A 可变容量回转式压缩机 The variable capacity rotary compressor |
| 06/22/2005 | CN1629491A Oil supply device of scroll compressor |
| 06/21/2005 | US6907746 Multistage compression type rotary compressor and cooling device |
| 06/16/2005 | US20050130011 Fuel cell system |
| 06/16/2005 | US20050129559 Horizontal rotary compressor |
| 06/16/2005 | US20050129558 Electric compressor and assembling method thereof |