| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
|---|
| 03/05/2003 | CN1400392A Sealed electrical compressor |
| 03/05/2003 | CN1400391A Noise and vibration reducing structure for vortex compressor |
| 03/05/2003 | CN1102703C 涡卷压缩机 Scroll compressor |
| 03/05/2003 | CN1102702C Eddycompressor whose rotary eddy piece has eddy scroll in two sides of plate |
| 03/04/2003 | US6527531 Scroll compressor having step portions for reducing leakage of fluid |
| 03/04/2003 | US6527527 Scroll compressor |
| 03/04/2003 | US6527526 Scroll compressor having wraps of varying thickness |
| 03/04/2003 | US6526772 Apparatus and method for controlling electric compressor |
| 03/03/2003 | WO2002020987A1 Rotary fluid machinery |
| 03/03/2003 | CA2421185A1 Rotary fluid machine |
| 02/27/2003 | WO2002066906A3 Hydristor heat pump |
| 02/27/2003 | US20030039570 Variable quantity control apparatus for variable radius type scroll compressor |
| 02/27/2003 | US20030039569 Driving pin structure for scroll compressor |
| 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 |
| 02/27/2003 | US20030037679 Integrated compressor drier apparatus |
| 02/26/2003 | EP1286052A2 Scroll compressor |
| 02/26/2003 | EP1286051A2 Scroll compressor having reversion preventing device |
| 02/26/2003 | EP1285154A1 Integrated gas compressor |
| 02/26/2003 | EP0996824B1 Single-source gas actuation for screw compressor slide valve assembly |
| 02/26/2003 | EP0772742B1 Axial sealing apparatus for scroll type compressor |
| 02/26/2003 | CN2537836Y Multifunctional vane pump and vane motor |
| 02/26/2003 | CN1399075A Spiral rotor-type wet vacuum pump |
| 02/26/2003 | CN1399074A 干式真空泵 Dry vacuum pump |
| 02/26/2003 | CN1399073A Vortex compressor |
| 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 |
| 02/20/2003 | WO2003014571A1 Compressor |
| 02/20/2003 | WO2003014549A1 A system for the construction of pumps, compressors, and motor engines, formed by a rotary chamber and pistons which are driven in the same direction at varying velocities alternatively opposite to each other, inside a fixed open or closed structure |
| 02/20/2003 | WO2002101242A3 Compressor with a capacity modulation system utilizing a re-expansion chamber |
| 02/20/2003 | WO2002064981B1 Horizontal scroll compressor |
| 02/20/2003 | US20030035746 Cylinder structure for rotary vane type vacuum pump |
| 02/20/2003 | US20030035745 Scroll compressor having reversion preventing device |
| 02/20/2003 | US20030035738 Roots vacuum pump |
| 02/20/2003 | US20030035736 Scroll compressor |
| 02/20/2003 | US20030035731 Dry vacuum pump |
| 02/20/2003 | US20030033823 Digital scroll condensing unit controller |
| 02/19/2003 | EP1284366A1 Multistage compressor |
| 02/19/2003 | CN1397736A Electric compressor and its control method |
| 02/18/2003 | US6520758 Screw compressor assembly and method including a rotor having a thrust piston |
| 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 | US20030031577 Gas compressor |
| 02/12/2003 | EP1283367A2 Vane compressor |
| 02/12/2003 | CN2535580Y Vortex compressor with air-compensating function |
| 02/12/2003 | CN1101525C Refrigerant compressor |
| 02/11/2003 | US6517332 Scroll compressor with controlled fluid venting to back pressure chamber |
| 02/11/2003 | US6517328 Compressor and an electric motor with an insulative, non-conductive member inserted between the stator and the motor housing |
| 02/11/2003 | US6517325 Air compressor and method of operating the same |
| 02/11/2003 | CA2254057C Compressor having capacity-controlling mechanism with abrasion-free cylinder |
| 02/06/2003 | WO2003010436A1 Multistage compressor for compressing gases |
| 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 |
| 02/05/2003 | CN2534394Y Compressor of air conditioner |
| 02/05/2003 | CN1100947C Check valve apparatus for scroll compressor |
| 02/04/2003 | US6514060 Scroll type compressor having a pressure chamber opposite a discharge port |
| 02/04/2003 | US6514059 Scroll compressor |
| 02/04/2003 | US6513482 Rotary fluid machinery, vane fluid machinery, and waste heat recovery device of internal combustion engine |
| 01/30/2003 | WO2003008808A1 Screw 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 |
| 01/30/2003 | US20030019850 Surface modification process on metal dentures, products produced thereby, and the incorporated system thereof |
| 01/30/2003 | US20030019603 Green Sand casting method and apparatus |
| 01/29/2003 | EP1279835A2 Scroll compressor |
| 01/29/2003 | CN2533296Y Eccentric spinning blower |
| 01/29/2003 | CN2533295Y 罗茨鼓风机 Roots Blower |
| 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 | 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 |
| 01/22/2003 | EP1277962A2 Scroll-type compressor |
| 01/22/2003 | EP1277961A2 Scroll-type compressor |
| 01/22/2003 | EP1277959A2 Electric compressor and control method therefor |
| 01/22/2003 | EP1276993A1 Compressor |
| 01/22/2003 | EP1060335B1 Scroll compressor with combined pressure ratio and pressure differential relief valve |
| 01/22/2003 | CN2532276Y High-speed slide piece vacuum pump |
| 01/22/2003 | CN2532275Y Fixing scroll assembling improving structure for compressor |
| 01/22/2003 | CN1392345A Variable pump controller for power turning device |
| 01/21/2003 | US6508639 Combination double screw rotor assembly |
| 01/21/2003 | CA2163924C Refrigerating apparatus and lubricating oil composition |
| 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 |