| 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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| 09/16/2004 | WO2004079883A1 Magnetizing jig, magnetizing method using the jig, and method of assembling electric compressor by using the jig and the magnetizing method |
| 09/16/2004 | WO2004079192A1 Vacuum device and vacuum pump |
| 09/16/2004 | US20040179959 Motor driven compressor |
| 09/16/2004 | US20040179957 Novel gas booster system |
| 09/15/2004 | EP1339608B1 Device for evacuating a food storage container which can be sealed by means of a valve |
| 09/15/2004 | EP1166019B1 Oil amount detector, refrigeration apparatus and air conditioner |
| 09/14/2004 | US6790012 Enclosure for an air compressor |
| 09/10/2004 | WO2004076864A2 Scroll compressor with bifurcated flow pattern |
| 09/09/2004 | US20040175274 Variable capacity rotary compressor |
| 09/09/2004 | US20040173312 Vacuum exhaust apparatus and drive method of vacuum apparatus |
| 09/08/2004 | EP1455091A2 Scroll compressor with vapor injection |
| 09/08/2004 | EP1454064A1 Check valve of scroll compressor |
| 09/08/2004 | CN1526955A Gas container for multicylinder compressor |
| 09/08/2004 | CN1526954A 可变容量的旋转压缩机 The variable capacity rotary compressor |
| 09/08/2004 | CN1165721C Oil amount detector, refrigeration apparatus and air conditioner |
| 09/07/2004 | US6786707 Structure for reducing noise and vibration of scroll compressor |
| 09/02/2004 | US20040170509 Scroll compressor with bifurcated flow pattern |
| 09/02/2004 | DE10306547A1 Drehkolbenmaschine Rotary engine |
| 09/01/2004 | CN1164874C Vortex compressor |
| 08/26/2004 | US20040166008 Baffle plate assembly for a compressor |
| 08/26/2004 | US20040165999 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit |
| 08/26/2004 | US20040165998 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit |
| 08/26/2004 | DE10197270T5 Vakuumpumpe Vacuum pump |
| 08/25/2004 | EP1450044A2 Electric compressor and method of assembling the same |
| 08/25/2004 | EP1088170B1 Pulp pump |
| 08/24/2004 | US6779989 Method for connecting compressor with built-in electric motor and external wiring, connection device used therefor, and compressor with built-in electric motor using the same |
| 08/19/2004 | US20040161345 Variable capacity rotary compressor |
| 08/18/2004 | EP1447566A1 Rotary-piston machine with rotary coalescing filter |
| 08/18/2004 | EP1446582A1 Compressor with z-plate |
| 08/18/2004 | CN1521403A 双缸旋转压缩机 Twin rotary compressor |
| 08/18/2004 | CN1521402A 可变容量的旋转压缩机 The variable capacity rotary compressor |
| 08/17/2004 | US6776586 Multi-stage vacuum pump |
| 08/12/2004 | US20040156734 Scroll compressor |
| 08/12/2004 | US20040155118 Fluid pump |
| 08/12/2004 | US20040154329 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit |
| 08/11/2004 | EP1445492A1 Gear oil pump for hermetic compressors |
| 08/11/2004 | EP1444441A1 Tempering method for a screw-type vacuum pump |
| 08/11/2004 | EP1444440A1 Cooled screw-type vacuum pump |
| 08/11/2004 | EP1181454A4 Apparatus for preventing vacuum compression of scroll compressor |
| 08/11/2004 | CN1161573C Multi-stage compression refrigerating device |
| 08/11/2004 | CN1161547C Compressor |
| 08/10/2004 | US6773243 Rotary piston machine for compressible media |
| 08/10/2004 | US6772607 Refrigerating device |
| 08/05/2004 | US20040151603 Compressor, method for manufacturing the compressor, defroster of refrigerant circuit, and refrigeration unit |
| 08/04/2004 | EP1443286A1 Refrigerating equipment |
| 08/04/2004 | CN1518640A 压缩机 Compressor |
| 08/04/2004 | CN1518638A High-low pressure dome type compressor |
| 08/04/2004 | CN1517558A Recovery method and device for feeding liquid of compression mechanism |
| 08/04/2004 | CN1517547A 往复泵和真空泵 Reciprocating pumps and vacuum pumps |
| 08/04/2004 | CN1160515C Baseplate for sealing case |
| 08/03/2004 | US6769888 Scroll compressor having a valved back pressure chamber and a bypass for overcompression |
| 08/03/2004 | US6769887 Scroll compressor |
| 08/03/2004 | US6769881 Vacuum preventing device for scroll compressor |
| 08/03/2004 | US6769267 Multistage compressor |
| 08/03/2004 | US6769264 Control system of degree of superheat of air conditioner and control method thereof |
| 07/28/2004 | CN1515797A Closed rotary compressor |
| 07/28/2004 | CN1159529C Scrawl compressor |
| 07/22/2004 | US20040141859 Compressor with internal accumulator for use in split compressor |
| 07/22/2004 | DE20304436U1 Mehrstufige Pumpenanordnung Multi-stage pump assembly |
| 07/21/2004 | EP1438510A2 Vacuum pump |
| 07/20/2004 | US6764288 Two stage scroll vacuum pump |
| 07/15/2004 | WO2004029523A3 Method and apparatus for highly efficient compact vapor compression cooling |
| 07/15/2004 | US20040136855 Scroll type compressor |
| 07/15/2004 | US20040136854 Scroll compressor |
| 07/15/2004 | US20040136851 Compressor check valve |
| 07/14/2004 | EP1129294A4 Scroll-type fluid displacement device for vacuum pump application |
| 07/14/2004 | CN2625604Y Two-cylinder two-stage compressing hinge swinging piston compressor |
| 07/14/2004 | CN1512065A Lubricating-free screw compressor |
| 07/14/2004 | CN1512063A Bottom plate for sealing outer shell |
| 07/13/2004 | US6761541 Foot plate for hermetic shell |
| 07/08/2004 | WO2004057189A1 Chamber for compressor and compressor using the same |
| 07/08/2004 | WO2004033916A8 Rotary compressor |
| 07/08/2004 | US20040131472 Reciprocating pump and vacuum pump |
| 07/08/2004 | US20040129018 Method and apparatus for highly efficient compact vapor compression cooling |
| 07/07/2004 | EP1435459A2 Reciprocating pump and vacuum pump |
| 07/07/2004 | EP1434896A2 Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 07/07/2004 | CN1510361A Refrigerator |
| 07/07/2004 | CN1510309A Vaccum preventing device for vortex complessor |
| 07/07/2004 | CN1510274A Device for preventing vaccum in vortex compressor |
| 07/07/2004 | CN1510252A Rotary fluid machinery, blade fluid machinery and waste heat recovering device of IC engine |
| 07/07/2004 | CN1510250A Rotary fluid machinery, blade fluid machinery and waste heat recovering device of IC engine |
| 07/01/2004 | WO2004055331A1 Volume expander and fluid machine |
| 07/01/2004 | US20040126261 Compressor |
| 07/01/2004 | US20040126259 Vacuum preventing device of scroll compressor |
| 07/01/2004 | US20040126258 Baffle plate assembly for a compressor |
| 07/01/2004 | US20040126255 Fluid pump |
| 07/01/2004 | US20040126252 Compressor and mechanism for separating lubricating liquid |
| 07/01/2004 | US20040124731 Electric motor and electric type compressor |
| 07/01/2004 | US20040123623 Structure for reducing refrigerant flow loss in compressor |
| 06/30/2004 | EP1433957A1 Scroll compressor |
| 06/30/2004 | EP1433956A1 Scroll compressor |
| 06/30/2004 | CN1509379A 旋转式压缩机 Rotary compressor |
| 06/30/2004 | CN1509378A 旋转式压缩机 Rotary compressor |
| 06/30/2004 | CN1508438A Compressor and its lubricant separation mechanism |
| 06/30/2004 | CN1508436A 涡旋压缩机 Scroll Compressor |
| 06/30/2004 | CN1508428A Electric compressor fitted with exchanger |
| 06/29/2004 | US6755631 Securing means for a compressor's terminal box |
| 06/29/2004 | US6755034 Apparatus for preventing overload of air conditioner and method thereof |
| 06/24/2004 | WO2004054025A2 Device for supplying air to fuel cells |
| 06/24/2004 | WO2004054012A2 Device for supplying air to fuel cells |