| 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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| 06/24/2004 | WO2004053335A1 Rotary compressor |
| 06/24/2004 | WO2004053311A1 Hermetic motor and gas booster |
| 06/24/2004 | WO2004053298A1 Volume expander and fluid machine |
| 06/24/2004 | US20040118375 Multiple induction energy-driven engine |
| 06/24/2004 | US20040118147 Multistage compression type rotary compressor and cooling device |
| 06/24/2004 | US20040118146 Horizontal compressor end cap |
| 06/24/2004 | DE10331877A1 Elektrokompressor Electric compressor |
| 06/24/2004 | DE10258363A1 Device for supplying air to fuel cells has claw compressor with at least two mutually engaged compressor wheels, claw expansion device with at least two mutually engaged expansion device wheels |
| 06/24/2004 | DE10258362A1 Device for supplying air to fuel cells has claw compressor with at least two mutually engaged compressor wheels, claw expansion device with at least two mutually engaged expansion device wheels |
| 06/23/2004 | EP1431582A1 Scroll compressor |
| 06/23/2004 | CN1507542A Scroll type fluid machine |
| 06/23/2004 | CN1507541A 涡旋压缩机 Scroll Compressor |
| 06/23/2004 | CN1507540A Hermetic compressor |
| 06/23/2004 | CN1506586A Vortex type compressor |
| 06/23/2004 | CN1506585A Luminium parts and compressor assemblied by arc welding |
| 06/23/2004 | CN1154818C Air conditioner |
| 06/22/2004 | US6752608 Compressor crankshaft with bearing sleeve and assembly method |
| 06/22/2004 | US6752605 Horizontal two stage rotary compressor with a bearing-driven lubrication structure |
| 06/17/2004 | US20040115072 Compressor and aluminum members assembled by arc welding |
| 06/17/2004 | US20040115063 Scroll compressor |
| 06/16/2004 | EP1429031A1 Aluminum compressor casing assembled by arc welding |
| 06/16/2004 | EP1429030A2 Multi-stage rotary compressor |
| 06/15/2004 | US6749405 Identically oriented pairs of alternating intake and exhaust ports;pumping efficiency; medical equipment |
| 06/15/2004 | US6749404 Scroll compressors |
| 06/15/2004 | US6748754 Multistage rotary compressor and refrigeration circuit system |
| 06/10/2004 | US20040109779 Compressor with z-plate |
| 06/10/2004 | US20040109772 Electric compressor with inverter |
| 06/10/2004 | US20040107847 Liquid recovery method and system for compression mechanism |
| 06/10/2004 | US20040107595 Drier |
| 06/09/2004 | DE10354718A1 Compressor for motor vehicle has at least one intercooler between two compression stages |
| 06/09/2004 | CN1502823A Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
| 06/08/2004 | US6746223 Orbiting rotary compressor |
| 06/08/2004 | US6746216 Scroll compressor with vented oil pump |
| 06/08/2004 | US6746215 Compressor |
| 06/08/2004 | US6745584 Digital scroll condensing unit controller |
| 06/03/2004 | US20040105770 Scroll fluid machine |
| 06/03/2004 | US20040104209 Screw air compressor for a welder |
| 06/01/2004 | CA2290427C Scroll-type fluid displacement apparatus including an eccentric crank mechanism having an elongated shaft |
| 05/27/2004 | WO2004044432A1 Compressor |
| 05/27/2004 | US20040101428 Scroll type fluid machine |
| 05/27/2004 | US20040101411 Multi-stage screw compressor |
| 05/27/2004 | US20040100351 Motor protector particularly useful with hermetic electromotive compressors |
| 05/27/2004 | DE10147372B4 Scrollkompressor mit integriertem Motor und kompaktem Kühlsystem Scroll compressor with integrated motor and compact cooling system |
| 05/26/2004 | CN1500184A Closed compressor |
| 05/26/2004 | CN1499081A Multistage compression type rotary compressor |
| 05/26/2004 | CN1499080A 螺杆式压缩机 Screw compressors |
| 05/25/2004 | US6739841 Oil free screw compressor operating at variable speeds and control method therefor |
| 05/25/2004 | US6739833 Compressor with built-in motor, and mobile structure using the same |
| 05/20/2004 | US20040096349 Rotary piston machine for compressible media |
| 05/20/2004 | US20040096338 Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
| 05/19/2004 | EP1163452B1 Rotary helical screw-type compressor |
| 05/19/2004 | CN1498311A Closed compressor |
| 05/19/2004 | CN1497636A Electric machine protector special for hermetically-sealed electric compressor |
| 05/19/2004 | CN1497182A 压缩机 Compressor |
| 05/18/2004 | US6736620 Scroll-type fluid machine having at least one inlet or outlet of a plurality able to be closed by a closure member |
| 05/18/2004 | US6736607 Low-pressure gas circuit for a compressor |
| 05/13/2004 | WO2004040141A1 Hermetic compressor having a z-plate |
| 05/13/2004 | DE10307803A1 Compressor system has device to measure conductibility of condensate, control unit to regulate conductibility of condensate, and cyclone separators and condensate collecting tank in condensing unit |
| 05/12/2004 | EP1418338A2 Multistage compression type rotary compressor and cooling device |
| 05/12/2004 | CN1496447A Water-injected screw compressor |
| 05/12/2004 | CN1496446A 水平式涡旋压缩机 Horizontal scroll compressor |
| 05/12/2004 | CN1495396A Air conditioner, outdoor unit and refrigerating unit |
| 05/12/2004 | CN1495364A Sealed compressor and method for connecting pipe connector to sealed shell |
| 05/12/2004 | CN1495363A 真空泵 Vacuum pump |
| 05/12/2004 | CN1495362A 流体泵 Fluid pump |
| 05/12/2004 | CN1149336C Vortex Compressor |
| 05/11/2004 | US6733723 Method for producing sintered metal and a rotary compressor flange produced by use of the method |
| 05/11/2004 | US6733251 Compressor with built-in motor and mobile structure using the same |
| 05/11/2004 | US6732542 Defroster of refrigerant circuit and rotary compressor |
| 05/06/2004 | WO2004038226A1 Compressor |
| 05/06/2004 | US20040088071 Aligner evaluation system, aligner evaluation method, a computer program product, and a method for manufacturing a semiconductor device |
| 05/06/2004 | US20040086410 Screw compressor having bearings for the drive shaft of the compressor screw and the motor |
| 05/06/2004 | US20040086409 Screw compressor |
| 05/06/2004 | US20040086396 Water-injected screw compressor |
| 05/06/2004 | US20040084984 Synchronous induction motor and manufacturing method and drive unit for the same, and hermetic electric compressor |
| 05/06/2004 | EP1416161A2 Screw compressor |
| 05/06/2004 | DE10248926A1 Kompressor Compressor |
| 04/29/2004 | WO2004036044A1 Helical compressor for refrigerating medium |
| 04/29/2004 | US20040081565 Vacuum pump |
| 04/29/2004 | US20040081562 Dual volume-ratio scroll machine |
| 04/29/2004 | US20040081561 Composite type compressor |
| 04/28/2004 | EP1413760A2 Scroll compressor with continuous capacity modulation |
| 04/28/2004 | EP1413759A2 Scroll type compressor |
| 04/28/2004 | EP1413758A2 Scroll compressor oil separator |
| 04/28/2004 | EP0912831B1 Compressor system |
| 04/28/2004 | CN1492971A Rotary piston machine for compressible media |
| 04/28/2004 | CN1492150A 螺杆压缩机 Screw compressor |
| 04/27/2004 | US6726457 Compressor with supercharged inlet |
| 04/22/2004 | WO2004033916A1 Rotary compressor |
| 04/22/2004 | WO2004033913A1 Rotary compressor |
| 04/22/2004 | WO2004033912A1 Roraty compressor |
| 04/22/2004 | US20040076537 Multi-cylinder rotary compressor |
| 04/22/2004 | US20040074256 Expander |
| 04/22/2004 | US20040074255 Air conditioner |
| 04/22/2004 | DE10197228T5 Gekapselter mechanischer Booster Sealed mechanical booster |
| 04/22/2004 | DE10084486T5 Ausrichtung der Lager der Kurbelwelle eines Spiralverdichters Alignment of the bearing of the crankshaft of a scroll compressor |
| 04/21/2004 | EP1411536A1 Motor protector particularly useful with hermetic electromotive compressors |
| 04/21/2004 | EP1411309A2 Expander |
| 04/21/2004 | EP1409874A2 Reduced wear rotor and pump comprising same |
| 04/21/2004 | CN1490526A 真空泵 Vacuum pump |