Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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11/12/2003 | CN1127624C Pair of co-operating screw rotors, screw rotor and rotary screw machine |
11/12/2003 | CN1127623C Radial compliance mechanism for co-rotating scroll apparatus |
11/11/2003 | US6644946 Scroll type compressor |
11/11/2003 | US6644931 System for pumping low thermal conductivity gases |
11/11/2003 | US6644045 Oil free screw expander-compressor |
11/06/2003 | US20030206813 Vacuum preventing device of scroll compressor |
11/06/2003 | US20030206812 Vacuum preventing device for scroll compressor |
11/06/2003 | US20030206809 Method for creating an air pressure |
11/06/2003 | US20030206808 Method for creating an air pressure |
11/06/2003 | US20030205213 Compressor assembly |
11/05/2003 | EP1359323A1 Scroll compressor |
11/05/2003 | EP1358408A1 Horizontal scroll compressor |
11/05/2003 | CN2584882Y Vortex air-conditioning compressor with anti-self-rotation and flexible mechanism |
11/05/2003 | CN2584880Y High-strength, full-balance rotor type compressor |
11/05/2003 | CN1454293A 螺杆机 Screw Machine |
11/05/2003 | CN1126871C Compressor assembly with positive displacement pump capable of rotating oppositely |
11/04/2003 | US6641380 Vane pump having a pressure plate and a shaft seal |
11/04/2003 | US6641379 Load bearing ribs for fixed scroll |
11/04/2003 | US6641373 Gas compressor with variably biased vanes |
11/04/2003 | US6641370 Vacuum pump apparatus having improved sealing structure |
10/30/2003 | WO2003089793A1 Structure for reducing refrigerant flow loss in compressor |
10/30/2003 | WO2003089790A1 Reversible pivoting vane rotary compressor for a valve-free oxygen concentrator |
10/30/2003 | WO2003036094A3 Vacuum pump |
10/30/2003 | US20030202886 Vacuum preventing device for scroll compressor |
10/29/2003 | EP1357293A2 Bearing for CO2 refrigerant compressor |
10/29/2003 | EP1357292A1 Single-screw compressor |
10/29/2003 | EP1357291A2 Rotating scroll compressor |
10/29/2003 | EP1355758A1 Profiled contour of a screw pump |
10/29/2003 | EP1276993A4 Compressor |
10/29/2003 | EP1101070B1 Vapor-compression evaporative air conditioning system |
10/29/2003 | CN2583399Y Screw refrigeration compressor with accelerating gear |
10/29/2003 | CN1452694A Rotary fluid machinery |
10/29/2003 | CN1451877A Structure for decreasing discharged lubricating oil of compressor |
10/29/2003 | CN1451876A Compressor rotation shaft supporting structure |
10/29/2003 | CN1451875A Structure for decreasing friction loss of compressor |
10/29/2003 | CN1451874A Compressor bearing structure |
10/29/2003 | CN1451873A 旋转压缩机 Rotary compressor |
10/29/2003 | CN1451872A Internal space partition structure of compressor |
10/29/2003 | CN1451871A Sealed compressor baffle supporting device |
10/29/2003 | CN1451870A Compressor baffle structure |
10/29/2003 | CN1451869A Sealed compressor baffle supporting device |
10/29/2003 | CN1451868A Sealed compressor partition plate structure |
10/29/2003 | CN1451867A Sealed compressor partition plate structure |
10/29/2003 | CN1451866A Compressor baffle structure |
10/29/2003 | CN1451865A Sealed compressor baffle supporting device |
10/29/2003 | CN1451864A Double-cylinder rotary compressor eccentrically assembling method |
10/28/2003 | US6638043 Diffuser for high-speed screw compressor |
10/28/2003 | US6638042 Asymmetric porting for multi-rotor screw compressor |
10/28/2003 | US6638040 Dry vacuum pump |
10/28/2003 | US6638030 Oil free screw compressor |
10/28/2003 | US6637550 Displacement type fluid machine |
10/28/2003 | US6637222 System for controlling starting of air conditioner and control method thereof |
10/28/2003 | US6637216 Compressor with internal accumulator for use in split compressor |
10/23/2003 | WO2003087540A1 Scroll type fluid displacement apparatus with fully compliant floating scrolls |
10/23/2003 | US20030198566 Load bearing ribs for fixed scroll |
10/22/2003 | EP1354666A1 Ergonomically friendly random orbital sander construction |
10/22/2003 | EP1354136A1 Refrigeration compressor with magnetic coupling |
10/22/2003 | EP1101024B1 Gerotor compressor and gerotor expander |
10/22/2003 | CN1450268A Suspension type scroll fluid compressor with omnibearing complying structure |
10/22/2003 | CN1450267A Vortex compressor with gas compensation function |
10/22/2003 | CN1125244C Technology for working rotor of roots pump |
10/21/2003 | US6634875 Scroll compressor having an Oldham's ring containing silicon particles |
10/21/2003 | US6634874 Scroll compressor with anti-reverse rotation clutch |
10/16/2003 | WO2003085335A1 Injection of liquid and vapor refrigerant through economizer ports |
10/16/2003 | WO2003085266A1 Housing for a liquid-injected screw-type compressor element |
10/16/2003 | US20030194341 Scroll compressor sealing |
10/16/2003 | US20030194340 Scroll type fluid displacement apparatus with fully compliant floating scrolls |
10/16/2003 | US20030194338 Refrigerating cycle or compressor having foreign matter collector |
10/16/2003 | US20030194334 Scroll compressor with motor control for capacity modulation |
10/16/2003 | US20030194330 Short reverse rotation of compressor at startup |
10/15/2003 | CN1448638A All-extricated contact line single helical-lobe compressor intermeshing pair |
10/15/2003 | CN1124415C Displacement type fluid machine |
10/15/2003 | CN1124414C Positive-displacement type fluid machine |
10/09/2003 | WO2003083309A1 Compressor |
10/09/2003 | WO2003083308A1 Rotary compressor |
10/09/2003 | WO2003083302A1 High-low pressure dome type compressor |
10/09/2003 | US20030190248 Vane supporting apparatus for hermetic compressor |
10/09/2003 | US20030190247 Scroll compressor |
10/08/2003 | CN2578566Y Vacuum pressure air pump with built-in silencer |
10/08/2003 | CN2578565Y Vane rotary plunger pump with forced air cooling |
10/08/2003 | CN2578564Y Duplex two-stage compressing oscillating piston compressor |
10/08/2003 | CN1447081A Vortex machinery with liquid injection |
10/08/2003 | CN1447029A Swirl compressor |
10/08/2003 | CN1123699C Scroll compressor with pressure equalization groove |
10/08/2003 | CN1123698C Conical hub bearing for scroll machine |
10/07/2003 | US6629830 Pressure adjuster valve and gas compressor using the same |
10/02/2003 | WO2003081049A1 Vacuum pump |
10/02/2003 | WO2003081048A1 Eccentric pump and method for operation of said pump |
10/02/2003 | WO2003081043A1 Compressor |
10/02/2003 | WO2002004814A3 Rotary positive displacement machine |
10/02/2003 | US20030185696 Vacuum pump |
10/01/2003 | EP1348870A2 Fuel gas compression system |
10/01/2003 | EP1348077A1 Refrigeration compressor |
10/01/2003 | CN2577007Y External-driving double rotary compressor |
10/01/2003 | CN1446291A Two-shaft vacuum pump |
10/01/2003 | CN1446290A 压缩机 Compressor |
10/01/2003 | CN1445460A 卧式旋转压缩机 Horizontal rotary compressor |
10/01/2003 | CN1445459A 真空泵 Vacuum pump |
10/01/2003 | CN1445458A Dry-type spiral vacuum pump |
10/01/2003 | CN1445457A Dry-type spiral vacuum pump |