| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 05/07/2008 | EP1917441A1 Pump housing |
| 05/07/2008 | CN201057149Y Translational rotor type compressor |
| 05/07/2008 | CN101173663A Rotary compressor |
| 05/07/2008 | CN100386574C Heat pump air conditioner used for cold zone |
| 05/07/2008 | CN100386527C Hermetic rotary compressor |
| 05/07/2008 | CN100386526C Oil supplying device in rotating type compressor |
| 05/07/2008 | CN100386525C Eccentric coupling device in radial compliance scroll compressor |
| 05/07/2008 | CN100386524C Assembling mechanism of discharge pipe for hermetic compressor and method thereof |
| 05/07/2008 | CN100386523C Air conditioner |
| 05/07/2008 | CN100386522C Vehicular constant-pressure fully-closed vortex compressor |
| 05/06/2008 | US7367790 Double-acting type orbiting vane compressor |
| 05/01/2008 | US20080101976 Rotary Compressor |
| 05/01/2008 | US20080101975 Vane Pump |
| 04/30/2008 | CN100385123C Apparatus for controlling the pressure in a process chamber and method of operating same |
| 04/30/2008 | CN100385121C Air compressor |
| 04/30/2008 | CN100385117C Suction mechanism of rotary compressor |
| 04/29/2008 | US7364418 Scroll fluid machine having an adjustment member with a deformable element |
| 04/29/2008 | US7364417 Compression unit of orbiting vane compressor |
| 04/29/2008 | US7364416 Scroll type compressor with an enhanced sealing arrangement |
| 04/29/2008 | US7364415 Twin piston fluid compressor or pump apparatus with an annular bore housing |
| 04/29/2008 | US7363696 Method of assembling a sealed type motor-driven compressor |
| 04/29/2008 | CA2488874C Compressor with capacity control |
| 04/29/2008 | CA2441831C Compressor having bearing support |
| 04/24/2008 | WO2008047781A1 Scroll compressor |
| 04/24/2008 | US20080095652 Roudong Volume Variation Method for Fluid Machinery and Its Mechanisms and Applications |
| 04/24/2008 | DE19713197B4 Verfahren zum Betrieb einer Klimaanlage in einem Kraftfahrzeug sowie Klimaanlage mit einem Kältemittelkreis Method for operating an air conditioner in a motor vehicle and air conditioner with a refrigerant circuit |
| 04/24/2008 | DE102007010729B3 Vacuum pump for use in engine of motor vehicle, has sealing body flexibly designed and fixed at air discharge opening at front and rear ends of opening in rotation direction of rotor, where body lies permanently at opening |
| 04/23/2008 | EP1913236A2 Scroll compressor discharge port improvements |
| 04/23/2008 | CN201050481Y Mechanical seal leakage-free Root's vacuum pump |
| 04/23/2008 | CN201050480Y Mechanical seal oil-free Root's vacuum pump |
| 04/23/2008 | CN201050479Y Vortex compressor autorotation-proof device |
| 04/23/2008 | CN101166903A 旋转式压缩机 Rotary compressor |
| 04/23/2008 | CN101166902A Pumping system and method of operation |
| 04/23/2008 | CN101165351A Rotary piston type compressor pump assembly |
| 04/23/2008 | CN101165350A Vortex compressor and refrigeration circulation using the same |
| 04/23/2008 | CN101165346A Refrigerant compressor |
| 04/23/2008 | CN100383398C Closed rotary compressor bearing connection structure |
| 04/23/2008 | CN100383393C Variable capacity rotary compressor |
| 04/22/2008 | USRE40257 Compressor pulse width modulation |
| 04/22/2008 | CA2441911C Compressor having counterweight shield |
| 04/22/2008 | CA2441909C Compressor assembly having baffle |
| 04/22/2008 | CA2441908C Compressor having alignment bushings and assembly method |
| 04/22/2008 | CA2441835C Compressor discharge assembly |
| 04/22/2008 | CA2441827C Compressor having discharge valve |
| 04/17/2008 | WO2008044064A2 Vacuum pump |
| 04/17/2008 | DE102007042095A1 Lader mit Gehäuseinterner Geräuschdämpfung Loader with housing Internal noise attenuation |
| 04/17/2008 | DE102006047891A1 Ölüberfluteter Schraubenverdichter mit Axialkraftentlastungseinrichtung Oil-flooded screw compressor with Axialkraftentlastungseinrichtung |
| 04/17/2008 | DE102005000899B4 Spiralverdichter Scroll compressor |
| 04/16/2008 | EP1910682A1 Vacuum pump |
| 04/16/2008 | EP1215450B1 Multi-stage compression refrigerating device |
| 04/16/2008 | CN201047348Y Helical lobe compressor oil split stream optimizing valve |
| 04/16/2008 | CN101163888A Oil-injected compressor with a temperature switch |
| 04/16/2008 | CN101163886A Rotary compressor |
| 04/16/2008 | CN101163885A A system and a method for capacity control in a screw compressor |
| 04/16/2008 | CN101163884A Scroll compressor |
| 04/16/2008 | CN101163861A Scroll expander |
| 04/16/2008 | CN101162019A Wave-shaped structural compressor casing and processing method thereof |
| 04/16/2008 | CN100381705C Vortex compressor for large displacement vehicle |
| 04/15/2008 | US7357627 Scroll fluid machine |
| 04/10/2008 | DE112006001283T5 Kältemittelverdichter vom Scroll-Typ Refrigerant compressor scroll-type |
| 04/10/2008 | DE102007039629A1 Spiralverdichter Scroll compressor |
| 04/10/2008 | DE102006045261A1 Helical-screw type compressor e.g. displacement machine, has tapering screws cooperated in two different conical holes, and volumes of discharging space between screw threads that are smaller towards end |
| 04/10/2008 | DE102006043313A1 Rotor profile for e.g. external-axis rotary piston machine, has rotors provided for milling with virtual milling rollers per rotor when rotary piston heads are reciprocal to rotary pistons during operation of rotary piston machine |
| 04/10/2008 | DE102004064029B4 Einflügelvakuumpumpe A single- |
| 04/09/2008 | EP1908958A2 Rotary compressor and heat pump system |
| 04/09/2008 | EP1908957A1 Scroll compressor |
| 04/09/2008 | EP1907704A2 Oil-injected compressor with means for oil temperature regulation |
| 04/09/2008 | EP1611356B1 Scroll compressor with bifurcated flow pattern |
| 04/09/2008 | CN201045346Y Enclosed rotary compressor |
| 04/09/2008 | CN101160467A Rotary fluid machine |
| 04/09/2008 | CN101160466A Scroll fluid machine |
| 04/09/2008 | CN101158516A Refrigerant cycling device |
| 04/09/2008 | CN101158354A Multi-cylinder compressors |
| 04/09/2008 | CN101158352A Rotation-type compressor with housing low pressure, control mode of coolant and oil return and applications thereof |
| 04/09/2008 | CN101158351A Scroll-type compressor and control method thereof |
| 04/09/2008 | CN100379996C Closed compressor |
| 04/09/2008 | CN100379993C Oil-free screw compressor rotor clearance structure |
| 04/09/2008 | CN100379992C Screw compressor with guide plate |
| 04/09/2008 | CN100379988C Electric compressor fitted with exchanger |
| 04/09/2008 | CN100379894C Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor |
| 04/08/2008 | US7354259 Scroll compressor having a valved back pressure chamber and a bypass for overcompression |
| 04/08/2008 | US7354258 Stator for an eccentric single-rotor screw pump and method for its production |
| 04/08/2008 | US7354257 Refrigerating cycle or compressor having foreign matter collector |
| 04/08/2008 | US7354251 Variable capacity rotary compressor |
| 04/05/2008 | CA2562707A1 Variable capacity natural gas compressor |
| 04/03/2008 | WO2008038622A1 Fluid machine |
| 04/03/2008 | US20080080997 Screw Compressor |
| 04/02/2008 | EP1906023A1 Evacuation apparatus |
| 04/02/2008 | EP1906022A1 Evacuation apparatus |
| 04/02/2008 | EP1906021A2 Scroll machine |
| 04/02/2008 | EP1499793A4 Scroll type fluid displacement apparatus with fully compliant floating scrolls |
| 04/02/2008 | CN101155994A Scroll fluid machine |
| 04/02/2008 | CN101153599A Screw rotor |
| 04/02/2008 | CN101153598A Screw compressor |
| 04/02/2008 | CN101153597A Energy-saving single-bolt compressor |
| 04/02/2008 | CN101153596A Compound spider piece used for single-screw compressor |
| 04/02/2008 | CN101153595A Low-noise compact type mobile single-screw compressor |
| 04/02/2008 | CN101153594A A sealing device of fluid machinery |
| 04/02/2008 | CN101153593A Liquid compressor |
| 04/02/2008 | CN101153592A Seal compressor |