| 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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| 11/28/2001 | EP1158169A1 Compressor |
| 11/28/2001 | EP1158168A1 Compressor |
| 11/28/2001 | EP1158162A1 Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine |
| 11/27/2001 | US6322318 Blower package and method of use |
| 11/27/2001 | US6321564 Refrigerant cycle system with expansion energy recovery |
| 11/27/2001 | US6321563 Motor-driven compressor |
| 11/22/2001 | WO2001087779A1 Pumping arrangement for a household water purifier |
| 11/22/2001 | US20010043878 Involute spiral wrap device |
| 11/22/2001 | DE10022596A1 Compressor unit for gaseous materials; has two or more oil-injection one-step screw compressors with integrated oil separators, which can function together or independently |
| 11/21/2001 | EP1156222A1 Scroll type compressor |
| 11/21/2001 | CN1075170C 涡旋流体机械 The scroll fluid machine |
| 11/20/2001 | US6318981 Two-cylinder type two-stage compression rotary compressor |
| 11/14/2001 | EP1153210A1 Compressor system for producing compressed air |
| 11/14/2001 | CN1321836A Screw compressor with guide plate |
| 11/13/2001 | US6315528 Terminal connection in small area of scroll compressor and method for carrying out same |
| 11/08/2001 | US20010037653 Refrigerant cycle system with expansion energy recovery |
| 11/06/2001 | US6312233 Rotary compressor |
| 11/01/2001 | WO2001081766A1 Screw-type vacuum pump |
| 11/01/2001 | WO2001081765A1 Compressor |
| 11/01/2001 | US20010036417 Screw compressor |
| 11/01/2001 | CA2407403A1 Compressor |
| 10/31/2001 | EP1150015A2 Vacuum pump |
| 10/31/2001 | CN1074093C Vortex compressor and assembly of same |
| 10/30/2001 | US6309197 Scroll compressor with axially floating non-orbiting scroll and no separator plate |
| 10/25/2001 | US20010033802 Double rotor-vane pump |
| 10/25/2001 | US20010033801 Scroll compressor and scroll-type pressure transformer |
| 10/25/2001 | DE10019637A1 Screw-type vacuum pump has at least two adjacent chambers directly interconnected by check valve with throughflow direction towards pressure side and formed by continuous valve passage |
| 10/24/2001 | EP1148246A2 Scroll compressor and scroll-type pressure transformer |
| 10/23/2001 | US6305910 Multi-stage pump device |
| 10/23/2001 | US6305187 Air-conditioner, outdoor unit and refrigeration unit |
| 10/17/2001 | CN1317646A Horizontal eddy compressor |
| 10/17/2001 | CN1317645A Vortex compressor |
| 10/16/2001 | US6302665 Hermetic compressor and open compressor |
| 10/16/2001 | US6302654 Compressor with control and protection system |
| 10/16/2001 | US6301912 Heat pump apparatus |
| 10/16/2001 | US6301898 Rotary positive displacement device |
| 10/11/2001 | WO2001075273A2 Scroll compressor |
| 10/11/2001 | CA2403305A1 Scroll compressor |
| 10/10/2001 | CN1316597A Baseplate for sealing case |
| 10/04/2001 | WO2001073296A1 Interlocking scroll compressor components |
| 10/04/2001 | WO2001073293A1 Multistage compressor |
| 10/04/2001 | US20010026765 Helical blade type compressor having a helical blade in a stationary cylinder |
| 10/04/2001 | EP1138949A2 Compressor with control and protection system |
| 10/04/2001 | EP1138948A2 Cooling apparatus for vacuum pump |
| 09/27/2001 | US20010024617 Cooling apparatus for vacuum pump |
| 09/26/2001 | CN1071853C Multi-cylinder rotary air compressor |
| 09/26/2001 | CN1071850C Vortex compressor |
| 09/25/2001 | US6293767 Scroll machine with asymmetrical bleed hole |
| 09/20/2001 | WO2001069087A1 2-cylinder, 2-stage compression type rotary compressor |
| 09/20/2001 | WO2001069085A1 Motor protector on non-orbiting scroll |
| 09/18/2001 | US6290472 Rotary compressor with vane body immersed in lubricating fluid |
| 09/15/2001 | CA2302870A1 Poly-induction energy-efficient motor |
| 09/13/2001 | US20010021349 Oil free screw compressor |
| 09/12/2001 | EP1132621A1 Screw compressor and refrigerator |
| 09/11/2001 | US6287089 Scroll compressor with heat shield |
| 09/11/2001 | US6287088 Oil free screw compressor |
| 09/05/2001 | EP1130264A2 Compound vacuum pumps |
| 09/05/2001 | EP1129294A1 Scroll-type fluid displacement device for vacuum pump application |
| 09/05/2001 | CN1311397A Compressor with control and protection system |
| 09/04/2001 | US6283729 Closed compressor having a compression mechanism holder and method of assembling same |
| 08/30/2001 | WO2001063128A1 Scroll compressor equipped with an inlet deflector |
| 08/30/2001 | WO2001012992A3 Compressor |
| 08/29/2001 | CN1070268C Vortex type compressor having non-tracking motion vortex parts locating device |
| 08/29/2001 | CN1070266C Scroll type fluid machine |
| 08/28/2001 | US6280168 Multi-cylinder rotary compressor |
| 08/28/2001 | US6280155 Discharge manifold and mounting system for, and method of assembling, a hermetic compressor |
| 08/28/2001 | US6280154 Scroll compressor |
| 08/23/2001 | WO2001061194A1 Screw compressor |
| 08/22/2001 | CN1309279A Air conditioner, outdoor unit and refrigerating unit |
| 08/21/2001 | US6276149 Air conditioner |
| 08/16/2001 | US20010014293 Compressor with scroll compression mechanism |
| 08/16/2001 | EP0828940B1 Worm-drive compressor |
| 08/16/2001 | DE10003869A1 Verfahren zum Komprimieren von fluiden Fördermedien A method for compressing fluid fluids |
| 08/09/2001 | US20010012489 Sealed-type electric compressor having refrigerant passage |
| 08/09/2001 | DE10047029A1 Anlage zum Verdichten eines gasförmigen Mediums System for compressing a gaseous medium, |
| 08/08/2001 | EP1122439A2 Hermetic compressor assembly |
| 08/08/2001 | EP1122437A2 Scroll compressor |
| 08/08/2001 | EP1122436A2 Horizontal scroll compressor |
| 08/07/2001 | US6270328 Interlocking scroll compressor components |
| 07/31/2001 | US6267572 Scroll fluid machine having scroll members at each end of a rotating hollow shaft |
| 07/31/2001 | US6266952 Process for controlling compressors |
| 07/26/2001 | WO2001053757A1 Oil amount detector, refrigeration apparatus and air conditioner |
| 07/24/2001 | US6264446 Horizontal scroll compressor |
| 07/24/2001 | US6264445 Scroll compressor drive having a brake |
| 07/24/2001 | US6264443 Scroll compressor with integral outer housing and fixed scroll member |
| 07/17/2001 | US6261071 Reduced height sealed compressor and incorporation of suction tube |
| 07/12/2001 | WO2001049515A1 Car air conditioner and car with its conditioner |
| 07/12/2001 | DE10063602A1 Compressor has spiral compression device with bearing box, sealing element for air-tight separation of rear volume and fluid suction side of compression unit |
| 07/11/2001 | EP0904494B1 Scroll-type vacuum pumping apparatus |
| 07/11/2001 | CN1302957A Compressor |
| 07/11/2001 | CN1302956A Compressor with parallelly connected multiple cylinders, hinged blades and rolling rotor |
| 07/11/2001 | CN1302955A Compressor |
| 07/10/2001 | US6257846 Sealed compressor having pipe connectors and method of joining pipe connectors to sealed casing |
| 07/10/2001 | US6257840 Scroll compressor for natural gas |
| 07/05/2001 | US20010006603 Compressor |
| 06/28/2001 | DE19960152A1 Verdichteranlage zur Erzeugung von Druckluft Compressor unit for generating compressed air |
| 06/28/2001 | DE10063603A1 Encapsulated electric compressor has refrigerant or coolant channel with first part parallel to rotor shaft and second part connected to first part and extending radially outwards |
| 06/27/2001 | EP1110001A1 Fluid compressor aftercooler temperature control system and method |
| 06/21/2001 | WO2001044635A1 Compressor system for producing compressed air |
| 06/20/2001 | CN1067465C Scroll compressor having discharge port inserts |