| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 01/27/2004 | US6682328 Multi-stage scroll fluid machine having a seal element between compression sections |
| 01/27/2004 | US6682322 Air-conditioner for use in an automobile |
| 01/27/2004 | US6681738 Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine |
| 01/22/2004 | WO2004007968A1 Volume screw machine of rotary type |
| 01/22/2004 | WO2004007967A1 Volume screw machine of rotary type |
| 01/22/2004 | WO2004007965A1 Rotary screw machine end method of transforming a motion in such a machine |
| 01/22/2004 | WO2004007964A1 Rotary screw machine and method of transforming a motion in such a machine |
| 01/22/2004 | WO2004007963A1 Volume screw machine of rotary type |
| 01/22/2004 | WO2004007962A1 Volume screw machine of rotary type |
| 01/22/2004 | US20040013555 Discharge porting design for screw compressor |
| 01/22/2004 | US20040013554 Vacuum pump |
| 01/22/2004 | US20040013542 Scroll compressor with vented oil pump |
| 01/22/2004 | CA2492349A1 Rotary screw machine of volume type and method of transforming a motion in a volume screw machine |
| 01/22/2004 | CA2492345A1 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine |
| 01/21/2004 | EP1382854A2 Dual volume-ratio scroll machine |
| 01/21/2004 | EP1382853A1 Rotary screw machine and method of transforming a motion in such a machine |
| 01/21/2004 | CN2600617Y Axial obeying non-return sealing mechanism of compressor |
| 01/21/2004 | CN1469968A Rotary positive displacement machine |
| 01/21/2004 | CN1469093A Flow control of extruder |
| 01/21/2004 | CN1469092A Oil-free screw type expansion-compressor |
| 01/21/2004 | CN1469047A Closed compressor |
| 01/21/2004 | CN1135300C Rotary compressor, refrigerating circulation and ice house using the same compressor |
| 01/21/2004 | CN1135299C Screw compressor with balanced thrust |
| 01/21/2004 | CN1135298C Vortex machine with discharge valve |
| 01/21/2004 | CN1135297C Scroll compressor |
| 01/20/2004 | US6679689 Screw compressor |
| 01/20/2004 | US6679683 Dual volume-ratio scroll machine |
| 01/20/2004 | US6679072 Diagnostic system and method for a cooling system |
| 01/15/2004 | WO2004005720A1 An arrangement and a method for the treatment of a vacuum pump |
| 01/15/2004 | WO2004005719A1 Compressor |
| 01/15/2004 | WO2004005711A1 Liquid pump |
| 01/15/2004 | US20040009084 Compressor |
| 01/15/2004 | US20040009083 Variable capacity rotary compressor |
| 01/15/2004 | US20040007006 On-vehicle air conditioner |
| 01/15/2004 | DE19935925B4 Spiralkompressor und Drehverhinderungsmechanismus Scroll compressor and anti-rotation mechanism |
| 01/14/2004 | EP1379785A2 Scroll type compressor apparatus with adjustable axial gap and bimetallic orbital scroll |
| 01/14/2004 | CN2599284Y Turbocompressor |
| 01/14/2004 | CN2599283Y Geared rotor compressor |
| 01/14/2004 | CN1467379A 可变容量的旋转式压缩机 Variable capacity rotary compressor |
| 01/14/2004 | CN1467378A Vortex type compressor |
| 01/14/2004 | CN1467377A Rotary compressor and method for manufacturing same and removal volumetric proportions setting method |
| 01/14/2004 | CN1134592C Screw compressor |
| 01/14/2004 | CN1134591C Compressor and air conditioner |
| 01/13/2004 | US6676393 Multi-cylinder rotary compressor |
| 01/13/2004 | US6676392 Small-sized compressor |
| 01/13/2004 | US6676391 Variable quantity control apparatus for variable radius type scroll compressor |
| 01/13/2004 | US6676385 Compressor assembly |
| 01/13/2004 | US6675765 Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine |
| 01/08/2004 | WO2004003360A1 In-turn rotary piston engine |
| 01/08/2004 | US20040005236 Compressor |
| 01/08/2004 | US20040005234 Discharge valve for compressor |
| 01/08/2004 | US20040005229 Electric compressor |
| 01/08/2004 | DE29924585U1 Vacuum pump for brake amplifier |
| 01/07/2004 | EP1378666A1 Hermetic compressor |
| 01/07/2004 | EP1377728A1 Rotary compressor |
| 01/07/2004 | CN2597712Y Vacuum pressure three-purpose composite air pump |
| 01/07/2004 | CN2597711Y Co-axial co-wire starting-type electric vortex compressor |
| 01/07/2004 | CN1465865A Rotor compressor |
| 01/07/2004 | CN1133855C Air conditioner, outdoor unit and refrigerating unit |
| 01/07/2004 | CN1133818C Compressor for refrigerator |
| 01/07/2004 | CN1133805C 转子压缩机 Rotary Compressor |
| 01/06/2004 | US6672856 Diffuser guide vanes for high-speed screw compressor |
| 01/06/2004 | US6672855 Vacuum pumps |
| 01/06/2004 | US6672852 Lubricant filling device for scroll compressor |
| 01/06/2004 | US6672851 Scroll-type compressors |
| 01/06/2004 | US6672846 Capacity modulation for plural compressors |
| 01/06/2004 | US6672845 Apparatus for preventing vacuum compression of scroll compressor |
| 01/06/2004 | US6672101 Electrically driven compressors and methods for circulating lubrication oil through the same |
| 01/06/2004 | US6672065 Multiple stage compressor with rotors using rollers |
| 01/02/2004 | EP1376032A2 Expander-compressor capacity control |
| 01/02/2004 | EP1376030A1 Refrigeration cycle with a main compressor and a screw expander-compressor |
| 01/01/2004 | US20040001771 Gas compressor |
| 01/01/2004 | US20040001770 Diffuser guide vanes for high-speed screw compressor |
| 01/01/2004 | US20040001762 Internal intermediate pressure multistage compression type rotary compressor, manufacturing method thereof and displacement ratio setting method |
| 12/31/2003 | WO2004001230A1 Apparatus for controlling the pressure in a process chamber and method of operating same |
| 12/31/2003 | WO2004001229A1 Screw rotor |
| 12/31/2003 | WO2003067030A3 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 12/31/2003 | CN2596071Y High vacuum degree and energy-saving type vacuum pump |
| 12/31/2003 | CN1464198A Air blast cooling rotary vane roller pump |
| 12/31/2003 | CN1133011C Gap distribution for reducing leakage area |
| 12/30/2003 | US6669456 Scroll compressor having reversion preventing device |
| 12/30/2003 | US6668786 Rotary type fluid machine, vane type fluid machine, and waste heat recovering device for internal combustion engine |
| 12/25/2003 | WO2003106843A1 Scroll compressor |
| 12/25/2003 | US20030235510 Vane structure for compressor |
| 12/24/2003 | CN1463331A Two-stage helical screw compressor |
| 12/24/2003 | CN1462838A 旋转式压缩机 Rotary compressor |
| 12/24/2003 | CN1462837A Swirl compressor |
| 12/24/2003 | CN1131942C 压缩机 Compressor |
| 12/23/2003 | US6666672 Drive mechanism for a screw pump |
| 12/23/2003 | US6666671 Rotary pump |
| 12/23/2003 | US6666667 Throttle; twisted rotary plate spirally twisted; connected fine pipe; waste separated by centrifubal force from the refrigerant by centrifugal force |
| 12/23/2003 | US6666661 Screw compressor having bearings for the drive shaft of the compressor screw and the motor |
| 12/18/2003 | WO2003104657A1 Rotary compressor |
| 12/18/2003 | WO2003104656A1 Compressor protective method and structure |
| 12/18/2003 | US20030231815 Bearings for C02 refrigerant compressor use, compressor using the same, and applications of the same |
| 12/17/2003 | EP1371852A2 Hermetic compressor lubrication system |
| 12/17/2003 | EP1371851A2 Scroll type compressor |
| 12/17/2003 | EP1370813A2 Hydristor heat pump |
| 12/17/2003 | CN2592903Y Inlet end cover of stator and rotor parts for compressor |
| 12/17/2003 | CN2592901Y Sliding vane rotor compressor |