| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 07/22/2004 | US20040140018 Forged scroll parts and production process thereof |
| 07/22/2004 | DE10300203A1 Zweiwellenvakuumpumpe sowie Verfahren zur Herstellung einer Zweiwellenvakuumpumpe Two-shaft vacuum pump, as well as process for producing a twin-shaft vacuum pump |
| 07/21/2004 | EP1438510A2 Vacuum pump |
| 07/21/2004 | EP1438509A1 Screw compressor assembly and method |
| 07/21/2004 | CN2627244Y Improved structure for rotor |
| 07/21/2004 | CN1158461C Scroll compressor with lubrication of seals in back pressure chamber |
| 07/20/2004 | US6764288 Two stage scroll vacuum pump |
| 07/15/2004 | WO2004029523A3 Method and apparatus for highly efficient compact vapor compression cooling |
| 07/15/2004 | US20040136855 Scroll type compressor |
| 07/15/2004 | US20040136854 Scroll compressor |
| 07/15/2004 | US20040136851 Compressor check valve |
| 07/15/2004 | US20040136841 Gas compressor |
| 07/14/2004 | EP1437512A2 Twin-shaft vacuum pump |
| 07/14/2004 | EP1332289B1 Rotor shaft sealing |
| 07/14/2004 | EP1129294A4 Scroll-type fluid displacement device for vacuum pump application |
| 07/14/2004 | CN2625604Y Two-cylinder two-stage compressing hinge swinging piston compressor |
| 07/14/2004 | CN2625603Y Rotary blade type vacuum pump |
| 07/14/2004 | CN2625602Y Multi-stag vacuum pump |
| 07/14/2004 | CN1512073A Lubricant flow control system and method in variable speed compressor package |
| 07/14/2004 | CN1512072A Closed compressor |
| 07/14/2004 | CN1512069A 涡轮压缩机 Turbo compressor |
| 07/14/2004 | CN1512068A 涡轮压缩机 Turbo compressor |
| 07/14/2004 | CN1512067A 涡轮压缩机 Turbo compressor |
| 07/14/2004 | CN1512066A 涡轮压缩机 Turbo compressor |
| 07/14/2004 | CN1512065A Lubricating-free screw compressor |
| 07/14/2004 | CN1512064A Involute and straight claw type rotor structure for oilless vacuum pump |
| 07/14/2004 | CN1512063A Bottom plate for sealing outer shell |
| 07/14/2004 | CN1157538C Compressor |
| 07/13/2004 | US6761545 Scroll compressor with flow restriction and back pressure chamber tap |
| 07/13/2004 | US6761541 Foot plate for hermetic shell |
| 07/13/2004 | US6761037 Vehicle air conditioner using a hybrid compressor |
| 07/08/2004 | WO2004057189A1 Chamber for compressor and compressor using the same |
| 07/08/2004 | WO2004033916A8 Rotary compressor |
| 07/08/2004 | WO2004031528A3 Drilling rig having a compact compressor/pump assembly |
| 07/08/2004 | US20040131490 Variable capacity rotary compressor |
| 07/08/2004 | US20040131472 Reciprocating pump and vacuum pump |
| 07/08/2004 | US20040129018 Method and apparatus for highly efficient compact vapor compression cooling |
| 07/08/2004 | US20040129017 Rotary compressor and refrigerant cycle system having the same |
| 07/08/2004 | DE20302990U1 Drehkolbenpumpe Rotary pump |
| 07/08/2004 | DE20302989U1 Drehkolbenpumpe Rotary pump |
| 07/07/2004 | EP1435459A2 Reciprocating pump and vacuum pump |
| 07/07/2004 | EP1434896A2 Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 07/07/2004 | CN2623912Y Spiralism type compressing apparatus for novel cylinder molded lines |
| 07/07/2004 | CN1510361A Refrigerator |
| 07/07/2004 | CN1510309A Vaccum preventing device for vortex complessor |
| 07/07/2004 | CN1510308A 旋转式压缩机 Rotary compressor |
| 07/07/2004 | CN1510307A Valve assembly of closed rotary compressor |
| 07/07/2004 | CN1510306A Exhaust noise reducer of closed rotary compressor |
| 07/07/2004 | CN1510305A Rotating shaft of closed rotary compressor |
| 07/07/2004 | CN1510304A Luboil filter of closed compressor |
| 07/07/2004 | CN1510303A Dust collector of closed rotary compressor |
| 07/07/2004 | CN1510302A 螺杆式压缩机 Screw compressors |
| 07/07/2004 | CN1510301A Vortex compressor with oil adjusting function |
| 07/07/2004 | CN1510300A Sealing container of closed rotary compressor |
| 07/07/2004 | CN1510299A Oil supplier of vortex compressor |
| 07/07/2004 | CN1510298A Anti-reverse device of vortex compressor |
| 07/07/2004 | CN1510296A Device for decreasing rotary compressor lubricant oil loss discharge |
| 07/07/2004 | CN1510295A Vortex compressor with anti-vacuum function |
| 07/07/2004 | CN1510294A Rotating shaft fixer of rotary compressor |
| 07/07/2004 | CN1510293A 密封旋转式压缩机 Sealed rotary compressor |
| 07/07/2004 | CN1510292A Exhaust structure of sealed compressor |
| 07/07/2004 | CN1510288A Vortex compressor and manufacture thereof |
| 07/07/2004 | CN1510287A Anti-reverse device of vortex compressor |
| 07/07/2004 | CN1510285A Sealer of closed vortex compressor |
| 07/07/2004 | CN1510284A Inspiration structure of rotary compressor |
| 07/07/2004 | CN1510283A Closed rotary compressor |
| 07/07/2004 | CN1510282A Lower cover connecting structure of closed rotary compressor |
| 07/07/2004 | CN1510281A Power supplier of compressor |
| 07/07/2004 | CN1510280A Outlet pipe connecting structure of vortex compressor |
| 07/07/2004 | CN1510279A Eccentric cam buffering mechanism for rotary shaft of closed rotary compressor |
| 07/07/2004 | CN1510278A Apparatus for decreasing vortex compressor noise |
| 07/07/2004 | CN1510277A Closed rotary compressor discharge valve assembling body installing structure |
| 07/07/2004 | CN1510276A Compressor for preventing rotary compressor from refrigerant leakage |
| 07/07/2004 | CN1510275A Vortex compressor |
| 07/07/2004 | CN1510274A Device for preventing vaccum in vortex compressor |
| 07/07/2004 | CN1510273A Vortex machine |
| 07/07/2004 | CN1510272A Static vortex pan of vortex compressor |
| 07/07/2004 | CN1510252A Rotary fluid machinery, blade fluid machinery and waste heat recovering device of IC engine |
| 07/07/2004 | CN1510250A Rotary fluid machinery, blade fluid machinery and waste heat recovering device of IC engine |
| 07/07/2004 | CN1156650C Secondary envelope surface type rotary air compressor |
| 07/06/2004 | US6758660 Screw vacuum pump with a coolant circuit |
| 07/06/2004 | US6758659 Scroll type fluid displacement apparatus with fully compliant floating scrolls |
| 07/06/2004 | US6758658 Scroll compressor |
| 07/06/2004 | US6758051 Method and system for diagnosing a cooling system |
| 07/06/2004 | US6758050 Compressor diagnostic system |
| 07/06/2004 | CA2326308C Oiless rotary scroll air compressor antirotation lubrication mechanism |
| 07/06/2004 | CA2326307C Oiless rotary scroll air compressor antirotation assembly |
| 07/01/2004 | WO2004055371A1 Refrigerant compressor, and refrigerating machine using the same |
| 07/01/2004 | WO2004055331A1 Volume expander and fluid machine |
| 07/01/2004 | US20040126264 Compressor having cylindrical shape vane |
| 07/01/2004 | US20040126262 Gas compressor |
| 07/01/2004 | US20040126261 Compressor |
| 07/01/2004 | US20040126260 Scroll compressor with flow restriction and back pressure chamber tap |
| 07/01/2004 | US20040126259 Vacuum preventing device of scroll compressor |
| 07/01/2004 | US20040126255 Fluid pump |
| 07/01/2004 | US20040126252 Compressor and mechanism for separating lubricating liquid |
| 07/01/2004 | US20040126246 Load-regulating device for scroll type compressors |
| 07/01/2004 | US20040124731 Electric motor and electric type compressor |
| 07/01/2004 | US20040123623 Structure for reducing refrigerant flow loss in compressor |
| 07/01/2004 | US20040123612 Cooling system with variable duty cycle capacity control |