| 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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| 03/12/2003 | CN1401906A Wear-resistant structure of swirl compressor |
| 03/05/2003 | EP1287298A1 Control system of degree of superheat of air conditioner and control method thereof |
| 03/05/2003 | EP1287296A1 System for controlling starting of air conditioner and control method thereof |
| 03/05/2003 | EP1287295A1 Control system for starting of air conditioner and control method thereof |
| 03/05/2003 | CN1400391A Noise and vibration reducing structure for vortex compressor |
| 03/04/2003 | US6527523 Hermetic type compressor |
| 03/04/2003 | US6526772 Apparatus and method for controlling electric compressor |
| 03/03/2003 | WO2002020987A1 Rotary fluid machinery |
| 03/03/2003 | WO2002020986A1 Rotary fluid machinery |
| 03/03/2003 | CA2421208A1 Rotary fluid machinery |
| 03/03/2003 | CA2421185A1 Rotary fluid machine |
| 02/27/2003 | WO2002059481A3 Shaft axial load balancing system |
| 02/27/2003 | US20030039562 Stress relieved lower shell for sealed compressors |
| 02/27/2003 | US20030039550 Method and control system for controlling multiple throttled inlet rotary screw compressors |
| 02/26/2003 | EP1286086A2 Hydrostatic transmission |
| 02/26/2003 | EP1286051A2 Scroll compressor having reversion preventing device |
| 02/26/2003 | EP0975875B1 Vacuum pump system fitted with a liquid mechanical pump |
| 02/26/2003 | CN1102205C Whirl type air compressor |
| 02/25/2003 | US6524086 Multi-cylinder rotary compressor |
| 02/25/2003 | US6523347 Thermodynamic power system using binary working fluid |
| 02/21/2003 | CA2398866A1 Hydrostatic transmission |
| 02/20/2003 | WO2002064981B1 Horizontal scroll compressor |
| 02/20/2003 | US20030035738 Roots vacuum pump |
| 02/20/2003 | US20030033823 Digital scroll condensing unit controller |
| 02/19/2003 | EP1284366A1 Multistage compressor |
| 02/19/2003 | CN1397732A Terminal hood device and compressor |
| 02/18/2003 | US6520754 Compressor unit for refrigeration |
| 02/18/2003 | US6519958 Control system for starting of air conditioner and control method thereof |
| 02/18/2003 | CA2270782C Cascaded progressing cavity pump system |
| 02/13/2003 | WO2003012298A1 Rotary compressor and drive device for the rotary compressor |
| 02/13/2003 | US20030031576 Scroll compressor |
| 02/13/2003 | US20030031570 Compressor |
| 02/12/2003 | CN1101525C Refrigerant compressor |
| 02/06/2003 | WO2003010436A1 Multistage compressor for compressing gases |
| 02/06/2003 | US20030026720 Abrasion resistance structure of scroll 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 |
| 02/04/2003 | US6513482 Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine |
| 01/30/2003 | WO2002053912A3 Cooling air arrangement for compressor |
| 01/30/2003 | US20030021706 Structure for reducing noise and vibration of scroll compressor |
| 01/29/2003 | CN1100209C Double roll and dry type scroll vacuum pump |
| 01/28/2003 | US6511295 Compressors |
| 01/23/2003 | US20030017070 Compressor incorporated with motor and its cooling jacket |
| 01/23/2003 | US20030017058 Scroll compressors |
| 01/22/2003 | EP1277962A2 Scroll-type compressor |
| 01/22/2003 | EP1277961A2 Scroll-type compressor |
| 01/22/2003 | EP1276993A1 Compressor |
| 01/21/2003 | US6508639 Combination double screw rotor assembly |
| 01/16/2003 | US20030013343 Compressor with built-in motor and mobile structure using the same |
| 01/16/2003 | US20030012674 Oil free screw compressor |
| 01/16/2003 | US20030012673 Hermetic compressor and open compressor |
| 01/16/2003 | US20030012669 Cover apparatus for terminal and compressor |
| 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 | 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 |
| 01/15/2003 | CN1099010C 致冷剂循环系统 Refrigerant circulating system |
| 01/14/2003 | US6506512 Compression regenerative machine for fuel cell |
| 01/14/2003 | US6506036 Scroll compressors |
| 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 | US6505480 Air-conditioner, outdoor unit and refrigeration unit |
| 01/09/2003 | US20030007881 Oil leak prevention structure of vacuum pump |
| 01/08/2003 | EP1273801A2 Sealing for vacuum pump |
| 01/08/2003 | EP1273468A1 On-vehicle air conditioner |
| 01/08/2003 | CN2530070Y High back pressure double-communication pipe twin compressor |
| 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 | US20030003008 Oil leak prevention structure of vacuum pump |
| 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 | EP1270948A2 Sealing for a vacuum pump |
| 01/02/2003 | EP1270947A2 Scroll compressors |
| 01/02/2003 | EP1268979A2 Scroll compressor |
| 01/01/2003 | CN1388868A Screw-type 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 | US6499967 Shaft axial compliance mechanism |
| 12/31/2002 | US6499965 Air compressor system and an air/oil cast separator tank for the same |
| 12/31/2002 | US6499301 Rotary positive displacement device |
| 12/31/2002 | CA2273739C Rotary compressor with continuous vane slot and a method to set slot width |
| 12/26/2002 | US20020197177 Fluid machinery |
| 12/26/2002 | US20020197171 Vacuum pump |
| 12/26/2002 | US20020197168 Vacuum pump apparatus having improved sealing structure |
| 12/26/2002 | US20020194858 Hybrid compressor |
| 12/25/2002 | CN1097171C Hermetic scroll compressor |
| 12/19/2002 | WO2002052205A3 Compressor |
| 12/19/2002 | US20020192094 Method of aligning scroll compressor components |
| 12/18/2002 | EP1267079A1 Vertical compressor assembly for motor vehicles |
| 12/18/2002 | EP1029179B1 Hermetic scroll compressor |
| 12/18/2002 | CN1385659A Digital volute condensation unit controller |
| 12/17/2002 | US6494689 Loose lamina motor stator |
| 12/17/2002 | US6494688 Force-fit scroll compressor components |
| 12/17/2002 | US6494043 Distributed generation system |
| 12/12/2002 | WO2002063168A3 Compressor system |
| 12/12/2002 | US20020187062 Discharge valve |