| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 04/15/2004 | DE10326730A1 Hybridkompressorsystem Hybrid compressor system |
| 04/15/2004 | CA2492495A1 Screw pump and method of operating the same |
| 04/14/2004 | EP1407148A1 Apparatus for controlling the pressure in a process chamber and method of operating same |
| 04/14/2004 | EP1407147A1 Screw compressor |
| 04/14/2004 | EP1407146A1 Water-injected screw compressor |
| 04/14/2004 | EP1117933B1 Vacuum pump |
| 04/14/2004 | CN1489673A 涡旋压缩机 Scroll Compressor |
| 04/14/2004 | CN1488861A 旋转式压缩机 Rotary compressor |
| 04/14/2004 | CN1488860A Multi-stage variable-displacement scroll compressing apparatus |
| 04/14/2004 | CN1145767C Prevention of oil backlow and relative screw compressor and refrigeration chiller |
| 04/13/2004 | US6719545 Scroll compressor having a back pressure chamber in a rotation preventing mechanism |
| 04/13/2004 | US6719544 Valve for scroll compressor |
| 04/08/2004 | WO2004029523A2 Method and apparatus for highly efficient compact vapor compression cooling |
| 04/08/2004 | WO2004029462A1 Vane rotary type air pump |
| 04/08/2004 | WO2004029461A1 Scroll compressor |
| 04/08/2004 | WO2003047658B1 Rotating compressor |
| 04/08/2004 | US20040067149 Screw vacuum pump comprising additional flow bodies |
| 04/08/2004 | US20040067147 Scroll type compressor |
| 04/08/2004 | US20040067146 Scroll compressor with adjustable capacity |
| 04/08/2004 | US20040067144 Scroll compressor |
| 04/08/2004 | US20040065110 Compressor systems for use with smokeless lubricant |
| 04/08/2004 | DE19953153B4 Spiralkompressor Scroll compressor |
| 04/07/2004 | EP1405946A2 Drier with refrigerant circuit |
| 04/07/2004 | EP1127220B1 Lift valve for a rotary screw compressor |
| 04/07/2004 | CN2610121Y Compressor of circulating closed cavity two-way reversible vane plug type |
| 04/07/2004 | CN1487199A Multi-section compression type rotary compressor and set-up method of discharge volume ratio |
| 04/07/2004 | CN1487198A Air compressor |
| 04/07/2004 | CN1487197A Vacuumproof device for vortex type compressor |
| 04/07/2004 | CN1144953C 旋转压缩机 Rotary compressor |
| 04/07/2004 | CN1144952C Single or several rotor positive displacement machine and single fluid compressing/expanding refrigerator |
| 04/07/2004 | CN1144951C Scroll compressor |
| 04/06/2004 | US6716009 Scroll type compressor |
| 04/06/2004 | US6716007 Variable capacity rotary compressor |
| 04/06/2004 | US6715999 Variable-capacity scroll-type compressor |
| 04/01/2004 | WO2004027324A2 Very low temperature refrigeration system having a scroll compressor with liquid injection |
| 04/01/2004 | US20040064212 Manufacturing apparatus and method for predicting life of rotary machine used in the same |
| 04/01/2004 | US20040062671 Scroll fluid machine |
| 04/01/2004 | US20040062670 Scroll compressor |
| 04/01/2004 | US20040062668 Two-stage screw compressor |
| 04/01/2004 | US20040060717 Drilling rig having a compact compressor/pump assembly |
| 04/01/2004 | DE19936644B4 Elektrische Luftpumpe für Kraftfahrzeuge Electric air pump for motor vehicles |
| 03/31/2004 | CN2608725Y Water spray cooling hydrogen screw compressor |
| 03/31/2004 | CN1485584A Geogrid or mesh structure |
| 03/31/2004 | CN1144006C Heat pump and method for controlling its operation |
| 03/30/2004 | US6712589 Scroll compressors |
| 03/25/2004 | WO2002070901A8 Water-injected screw-type compressor |
| 03/25/2004 | US20040057859 Compressor having bearing support |
| 03/25/2004 | US20040057858 Compressor discharge assembly |
| 03/25/2004 | US20040057857 Compressor have counterweight shield |
| 03/25/2004 | US20040057849 Compressor assembly having baffle |
| 03/25/2004 | US20040057848 Compressor assembly having crankcase |
| 03/25/2004 | US20040057845 Compressor mounting bracket and method of making |
| 03/25/2004 | US20040057843 Compressor having discharge valve |
| 03/25/2004 | US20040057837 Compressor having alignment bushings and assembly method |
| 03/25/2004 | US20040056423 Rotor shaft sealing |
| 03/25/2004 | US20040055328 Scroll compressor and refrigerating system using ammonia group refrigerant |
| 03/25/2004 | DE19935926B4 Spiralkompressor und Drehverhinderungsmechanismus Scroll compressor and anti-rotation mechanism |
| 03/25/2004 | DE10341104A1 Sealing system for spiral compressor has a ring seal on the back of the spiral support disc supported on an intermediate inner wall and containing a pressure space between the seal and a shaft seal |
| 03/24/2004 | EP1400765A2 Screw refrigerating apparatus |
| 03/24/2004 | EP1399677A1 Two-stage helical screw compressor |
| 03/24/2004 | EP0997645B1 Scroll type fluid machine |
| 03/24/2004 | CN1483937A Axial through sliding-vane pneumatic machine |
| 03/24/2004 | CN1143061C Small-sized compressor |
| 03/24/2004 | CN1143060C 涡旋压缩机 Scroll Compressor |
| 03/23/2004 | US6710483 Actuator capable of revolving |
| 03/23/2004 | US6709250 Gear and a fluid machine with a pair of gears |
| 03/23/2004 | US6709249 Recess on tip of hybrid scroll compressor wrap to compensate for uneven thermal expansion |
| 03/23/2004 | US6709248 Scroll-type fluid machine having an outer chamber and an inner chamber |
| 03/23/2004 | US6709247 Scroll compressor having a deflectable bearing housing for shaft alignment |
| 03/23/2004 | US6709244 Diagnostic system for a compressor |
| 03/23/2004 | US6708520 Scroll compressor and refrigerating system using ammonia group refrigerant |
| 03/18/2004 | WO2004022976A1 Closed system rotary machine |
| 03/18/2004 | US20040052660 Electric compressor |
| 03/18/2004 | US20040050081 Screw refrigerating apparatus |
| 03/18/2004 | DE20320113U1 Aquarium air pump comprises vane cell compressor of graphite |
| 03/18/2004 | DE19942686B4 Spiralkompressor und Herstellungsverfahren eines Spiralkompressors A scroll compressor and a scroll compressor manufacturing method |
| 03/18/2004 | DE10335637A1 Scroll compressor for supplying compressed gas to electrode of fuel cell, has recess formed at inner peripheral wall of fixed lapping, to correspond with outer peripheral wall of rotary lapping |
| 03/18/2004 | DE10242139A1 Schraubenverdichter Screw compressor |
| 03/18/2004 | DE10115648B4 Zweistufige Schraubenkompressoranlage und Verfahren zu ihrer Steuerung Two-stage screw compressor system and methods for their control |
| 03/17/2004 | EP1398509A2 Vacuum pump |
| 03/17/2004 | EP1398507A2 Multistage Roots-type vacuum pump |
| 03/17/2004 | EP1398506A2 Hermetic multistage vacuum pump |
| 03/17/2004 | CN1482365A Vorticity compression pump |
| 03/17/2004 | CN1482364A 压缩机 Compressor |
| 03/17/2004 | CN1482363A Vorticity compression pump |
| 03/17/2004 | CN1142368C Multi-cylinder compressor and method for manufacturing accentric shaft |
| 03/16/2004 | US6705849 Discharge porting design for screw compressor |
| 03/16/2004 | US6705848 Powder metal scrolls |
| 03/11/2004 | WO2004020833A1 Inlet piece for a liquid-injected compressor element |
| 03/11/2004 | WO2004020832A1 Discharge portion for screw compressor with tangential flow guide cusp |
| 03/11/2004 | WO2004020828A1 Screw compressor discharge flow guide |
| 03/11/2004 | WO2004020826A2 Gerotor mechanism |
| 03/11/2004 | US20040047755 Vacuum pump |
| 03/11/2004 | US20040047754 Oil shield as part of crankcase for a scroll compressor |
| 03/11/2004 | US20040045307 Hybrid compressor system |
| 03/10/2004 | EP1396640A2 Screw compressor |
| 03/10/2004 | EP1395756A1 Screw compressor with switched reluctance motor |
| 03/10/2004 | EP1322864B1 Plastic vane for a vane-cell vacuum pump |
| 03/10/2004 | EP1216358B1 Scroll-type compressor or vacuum pump |
| 03/10/2004 | CN1481471A Fluid power transfer device |