| Patents for F04C 29 - Component parts, details, or accessories, of pumps or pumping installations specially adapted for elastic fluids, not provided for in groups (16,981) |
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| 02/11/2003 | CA2254057C Compressor having capacity-controlling mechanism with abrasion-free cylinder |
| 02/06/2003 | US20030026721 Scroll type compressor |
| 02/06/2003 | US20030026720 Abrasion resistance structure of scroll compressor |
| 02/05/2003 | EP1281869A2 Scroll type compressor |
| 02/05/2003 | EP1280986A1 Multiple induction energy-driven engine |
| 02/04/2003 | US6514060 Scroll type compressor having a pressure chamber opposite a discharge port |
| 01/30/2003 | WO2003008808A1 Screw compressor |
| 01/30/2003 | WO2002053912A3 Cooling air arrangement for compressor |
| 01/30/2003 | WO2002010593A1 Compressor |
| 01/30/2003 | US20030021714 Screw compressor |
| 01/30/2003 | US20030021712 Scroll compressor |
| 01/30/2003 | US20030021706 Structure for reducing noise and vibration of scroll compressor |
| 01/29/2003 | EP1279835A2 Scroll compressor |
| 01/29/2003 | CN1394259A Screw compressor injected with water |
| 01/29/2003 | CN1393641A Water-sealed dual-screw air compressor |
| 01/29/2003 | CN1100209C Double roll and dry type scroll vacuum pump |
| 01/28/2003 | US6511530 Compressor with oil separator |
| 01/28/2003 | US6511308 Scroll vacuum pump with improved performance |
| 01/28/2003 | US6511295 Compressors |
| 01/23/2003 | WO2003006831A1 Water-injected screw compressor |
| 01/23/2003 | WO2003006828A1 Compressor |
| 01/23/2003 | WO2002035096A3 Compressor oil pick-up tube |
| 01/23/2003 | US20030017070 Compressor incorporated with motor and its cooling jacket |
| 01/23/2003 | US20030017058 Scroll compressors |
| 01/23/2003 | US20030017054 Electric compressor and control method therefor |
| 01/23/2003 | US20030014951 Horizontal separator tank for oil-flooded air compressor |
| 01/22/2003 | EP1277963A1 Gas compressor with oil separator element |
| 01/22/2003 | EP1277962A2 Scroll-type compressor |
| 01/22/2003 | EP1277961A2 Scroll-type compressor |
| 01/22/2003 | EP1277959A2 Electric compressor and control method therefor |
| 01/22/2003 | EP1060335B1 Scroll compressor with combined pressure ratio and pressure differential relief valve |
| 01/22/2003 | CN2532277Y Edge size reduced mixing lubricated integral float bush for hydraulic gear pump |
| 01/22/2003 | CN1099529C hermetic motor compressor |
| 01/21/2003 | CA2163924C Refrigerating apparatus and lubricating oil composition |
| 01/16/2003 | US20030013343 Compressor with built-in motor and mobile structure using the same |
| 01/16/2003 | US20030012675 Equipment with mutually interacting spiral teeth |
| 01/16/2003 | US20030012674 Oil free screw compressor |
| 01/16/2003 | US20030012673 Hermetic compressor and open compressor |
| 01/16/2003 | US20030012672 Compressor, method and jig for balancing the same |
| 01/16/2003 | US20030012663 Scroll compressor with oil reservoir associated with motor protector |
| 01/16/2003 | US20030012659 Dual volume-ratio scroll machine |
| 01/15/2003 | EP1275849A2 Compressor and counter weight |
| 01/15/2003 | EP1274942A1 Vacuum pump with two co-operating rotors |
| 01/15/2003 | EP1029256B1 Electrochromic system |
| 01/15/2003 | EP1019633B1 Screw-type compressor |
| 01/15/2003 | EP0698736B1 Scroll compressor capable of effectively separating oil from the compressor gas |
| 01/15/2003 | CN1391039A Compressor with built-in motor and moving vehicles therewith |
| 01/15/2003 | CN1391038A Compressor with internal motor and vehicle therewith |
| 01/14/2003 | US6506039 Screw compressor |
| 01/14/2003 | US6506031 Screw compressor with axial thrust balancing and motor cooling device |
| 01/14/2003 | US6506027 Two stage compressor and a method for cooling such a compressor |
| 01/14/2003 | US6505725 Electromagnetic clutch device for a compressor |
| 01/14/2003 | US6505480 Air-conditioner, outdoor unit and refrigeration unit |
| 01/14/2003 | CA2356534C Scroll apparatus with enhanced lubrication |
| 01/09/2003 | US20030007881 Oil leak prevention structure of vacuum pump |
| 01/09/2003 | US20030005667 Oil separator and cooler |
| 01/08/2003 | EP1273801A2 Sealing for vacuum pump |
| 01/08/2003 | EP1273468A1 On-vehicle air conditioner |
| 01/08/2003 | CN2530071Y Arranged upper silencer of rotary compressor |
| 01/08/2003 | CN2530067Y Geared oil pump |
| 01/08/2003 | CN1389648A 真空泵 Vacuum pump |
| 01/07/2003 | US6503069 Scroll-type compressor with an integrated motor and a compact cooling system |
| 01/03/2003 | WO2003001064A1 Two-stage helical screw compressor |
| 01/02/2003 | US20030002999 Compressor with built-in motor and mobile structure using the same |
| 01/02/2003 | US20030002998 Compressor with built-in motor, and mobile structure using the same |
| 01/02/2003 | US20030002992 Oil utilized as motor protector trip for scroll compressor |
| 01/02/2003 | EP1270947A2 Scroll compressors |
| 01/02/2003 | EP1269024A1 Bacterial growth inhibition in a circulation system comprising a compressor |
| 01/01/2003 | CN1388346A Method and apparatus for preventing electrical insulating property reducing in air conditioner loop |
| 01/01/2003 | CN1097678C Optimized location for scroll compressor energy-economizer injection ports |
| 01/01/2003 | CN1097677C Vortex compressor |
| 12/31/2002 | US6500243 Compressor system including a separator tank with a separator element positioned therein |
| 12/31/2002 | US6499977 Scroll compressor with integral outer housing and a fixed scroll member |
| 12/31/2002 | US6499971 Compressor utilizing shell with low pressure side motor and high pressure side oil sump |
| 12/31/2002 | US6499965 Air compressor system and an air/oil cast separator tank for the same |
| 12/31/2002 | CA2273739C Rotary compressor with continuous vane slot and a method to set slot width |
| 12/31/2002 | CA2265081C Suspension spring support for hermetic compressors |
| 12/27/2002 | WO2002103204A1 Dry-compressing spindle pump |
| 12/26/2002 | US20020197177 Fluid machinery |
| 12/26/2002 | US20020197172 Scroll compressor with motor control for capacity modulation |
| 12/26/2002 | US20020197171 Vacuum pump |
| 12/26/2002 | US20020197168 Vacuum pump apparatus having improved sealing structure |
| 12/26/2002 | US20020195760 Spring having a high natural frequency and a low spring rate |
| 12/25/2002 | CN2527746Y Gear assembly for engine oil pump |
| 12/25/2002 | CN1387312A 逆变器装置 Inverter means |
| 12/25/2002 | CN1386982A Turbocompressor and driving method thereof |
| 12/25/2002 | CN1386980A Oil supply device for hermetically sealed compressor |
| 12/25/2002 | CN1097174C Compressor for refrigerating circulation |
| 12/25/2002 | CN1097173C Scroll-type compressor |
| 12/25/2002 | CN1097171C Hermetic scroll compressor |
| 12/24/2002 | US6497563 Dry-compressing screw pump having cooling medium through hollow rotor spindles |
| 12/24/2002 | US6497555 Liquid ring pump |
| 12/19/2002 | WO2002101244A1 Screw compressor with switched reluctance motor |
| 12/19/2002 | WO2002101239A1 Suction muffler for a reciprocating hermetic compressor |
| 12/19/2002 | WO2002052205A3 Compressor |
| 12/19/2002 | US20020192097 Vacuum pump |
| 12/19/2002 | US20020192096 Screw compressor injected with water |
| 12/19/2002 | US20020189266 Methods and apparatus for preventing degradation of electrical insulation properties within air conditioning circuits |
| 12/18/2002 | EP1029179B1 Hermetic scroll compressor |
| 12/18/2002 | CN2526545Y Emptying silencer for screw compressor |