| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 01/03/2007 | CN1888438A Working oil supply structure for gear compressor |
| 01/03/2007 | CN1888437A Compressor with lubricating oil-way |
| 01/03/2007 | CN1888436A Geared compressor |
| 01/03/2007 | CN1888435A Working oil supply structure for geared compressor |
| 01/03/2007 | CN1888434A Spindle combine structure for gear compressor |
| 01/03/2007 | CN1888433A Rotation type compressor |
| 01/03/2007 | CN1888432A Idler device for compressor |
| 01/03/2007 | CN1888431A Closed rotary compressor |
| 01/03/2007 | CN1888430A Gear compressor |
| 01/03/2007 | CN1293307C Compressor diagnosing system |
| 01/03/2007 | CN1293306C Vortex Compressor |
| 01/02/2007 | US7156922 Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 01/02/2007 | US7156628 Wobblestick with helix |
| 01/02/2007 | US7156068 Rotary combustion engine |
| 01/02/2007 | US7155925 Refrigerant cycle apparatus |
| 12/28/2006 | WO2006136014A1 Gear pump with improved inlet port |
| 12/28/2006 | US20060292025 Electric internal gear pump |
| 12/28/2006 | US20060288715 Compressor with capacity control |
| 12/27/2006 | CN2851656Y 便携式充气泵 Portable Air Pump |
| 12/27/2006 | CN2851655Y Combined rotor type air compressor |
| 12/27/2006 | CN2851654Y Helical lobe compressor rotor |
| 12/27/2006 | CN2851652Y 星轮机构 Star Wheel mechanism |
| 12/27/2006 | CN1292171C 压缩机 Compressor |
| 12/27/2006 | CN1291813C Vortex compressor working clamping device |
| 12/26/2006 | US7153112 Compressor and a method for compressing fluid |
| 12/26/2006 | US7153111 Screw machine |
| 12/26/2006 | US7153110 Variable volume flow internal gear pump |
| 12/26/2006 | US7153109 Variable capacity rotary compressor |
| 12/21/2006 | WO2006022787A3 Method and apparatus for reducing noise in a roots-type blower |
| 12/21/2006 | US20060285966 Screw compressor and freezer |
| 12/21/2006 | DE102005015721B3 Vakuumpumpe Vacuum pump |
| 12/20/2006 | CN2849235Y Rotary compressor possessing anti engine oil throwing out function |
| 12/20/2006 | CN1880773A Anti-backflow device for scroll compressor |
| 12/20/2006 | CN1880770A Oil drainage reducing device of high-pressure type scroll compressor |
| 12/20/2006 | CN1880769A Tooth profile of screw rotor in spiral vacuum pump |
| 12/20/2006 | CN1880768A Anti-reversal rotary device for scroll compressor |
| 12/20/2006 | CN1880766A Optimized helix angle rotors for roots-style supercharger |
| 12/19/2006 | US7150611 Equipment with mutually interacting spiral teeth |
| 12/19/2006 | US7150610 Gas compressor |
| 12/19/2006 | US7150609 Eccentric coupling device in radial compliance scroll compressor |
| 12/19/2006 | US7150608 Variable capacity rotary compressor |
| 12/19/2006 | US7150602 Variable capacity rotary compressor |
| 12/14/2006 | WO2006131395A1 Rotary oscillating piston machine and method |
| 12/14/2006 | DE19953690B4 Brennstoffzellensystem mit Spiralkompressor und Spiralregenerator Fuel cell system with scroll compressor and Spiralregenerator |
| 12/13/2006 | EP1730406A1 Volumetric screw compressor provided with delivery adjustment device |
| 12/13/2006 | EP1730387A2 Gapless screw rotor device |
| 12/13/2006 | CN2846809Y 旋转式压缩机 Rotary compressor |
| 12/13/2006 | CN1877128A Air intake valve of screw air compressor |
| 12/13/2006 | CN1877127A 螺旋压缩机 Screw compressors |
| 12/13/2006 | CN1877126A Scroll compressor and refrigerating apparatus |
| 12/13/2006 | CN1877125A Fluid conveying machine employing elliptic rotation and compression principle |
| 12/13/2006 | CN1289822C Oil supply device of vortex compressor |
| 12/13/2006 | CN1289820C Compressor |
| 12/13/2006 | CN1289819C Vortex compressor |
| 12/12/2006 | US7147445 Turntable with turning guide |
| 12/12/2006 | US7147444 Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
| 12/12/2006 | US7147443 Electric compressor |
| 12/07/2006 | WO2006129617A1 Scroll compressor |
| 12/07/2006 | WO2006129448A1 Electric compressor |
| 12/07/2006 | DE10297064B4 Mehrstufiger Verdichter zur Komprimierung von Gasen Multistage compressor for compressing gases |
| 12/06/2006 | EP1728009A1 Gear assembly |
| 12/06/2006 | EP1727986A1 Gas vane pump, and method of operating the pump |
| 12/06/2006 | EP1727985A1 Modular volumetric compressor |
| 12/06/2006 | EP1727984A1 Expander |
| 12/06/2006 | CN2844879Y Pumping apparatus |
| 12/06/2006 | CN2844511Y Buffle connecting structure of rotating-style rotor compressor |
| 12/06/2006 | CN2844509Y Structure of decreasing eccentric-component and rolling ring friction of compressor rotation axis |
| 12/06/2006 | CN2844508Y Cylinder and buffle structure of compressor |
| 12/06/2006 | CN2844507Y Rotor of screw compressor |
| 12/06/2006 | CN2844506Y 旋转式压缩机 Rotary compressor |
| 12/06/2006 | CN1873351A Air-conditioner, outdoor unit and refrigeration unit |
| 12/06/2006 | CN1288346C Rotary compressor and its operation control method |
| 12/05/2006 | US7144235 Bearing and screw compressor |
| 12/05/2006 | US7144233 Scroll fluid machine with a silencer |
| 12/05/2006 | US7144224 Variable capacity rotary compressor |
| 12/05/2006 | US7143737 Rotary engine |
| 11/30/2006 | WO2006127535A1 Rotating vane combustion engine |
| 11/30/2006 | WO2006126531A1 Rotary compressor |
| 11/30/2006 | WO2006126399A1 Hermetic compressor and refrigeration cycle device |
| 11/30/2006 | WO2006125909A1 Scroll-type refrigerant compressor |
| 11/30/2006 | WO2006125908A1 Scroll-type refrigerant compressor |
| 11/30/2006 | WO2006125879A1 Linking element between two volutes of a coil spring compressor |
| 11/30/2006 | WO2006099104A3 Pressure sealed tapered screw pump/motor |
| 11/30/2006 | US20060269433 Discharge port for a scroll compressor |
| 11/30/2006 | US20060269432 Recesses for pressure equalization in a scroll compressor |
| 11/30/2006 | US20060269424 Vacuum pump |
| 11/30/2006 | US20060265835 Rotary engines |
| 11/30/2006 | CA2548725A1 Discharge port for a scroll compressor |
| 11/29/2006 | EP1726830A1 Optimized helix angle rotors for roots-style supercharger |
| 11/29/2006 | EP1726779A1 Rotary type expansion machine |
| 11/29/2006 | EP1726778A1 Fluid machine |
| 11/29/2006 | EP1725773A1 Hermetic type compressor with wave-suppressing member in the oil reservoir |
| 11/29/2006 | EP1488107B1 Eccentric pump and method for operation of said pump |
| 11/29/2006 | EP1454064A4 Check valve of scroll compressor |
| 11/29/2006 | EP1247023B1 A screw compressor injected with water |
| 11/29/2006 | CN1871436A 旋转式干式真空泵 Rotary dry vacuum pump |
| 11/29/2006 | CN1869514A Gas booster system of miniature gas burner |
| 11/29/2006 | CN1869448A Vortex expansion engine |
| 11/29/2006 | CN1287118C Method for producing screw compressor and its rotor |
| 11/29/2006 | CN1287091C Vorticity compression pump |