| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 09/03/2008 | CN201110262Y Roots draught fan impeller |
| 09/03/2008 | CN101255865A Scroll-type compressor as well as floating mode for moving eddy disk and oil path control mode |
| 09/03/2008 | CN101255864A Mechanism for regulating elasticity lining of frequency-changing cyclone compressor |
| 09/03/2008 | CN100416103C High pressure roots blower |
| 09/03/2008 | CN100416102C Vortex compressor |
| 09/02/2008 | US7419370 Scroll compressor having a position adjustment device urging the movable scroll towards the stationary scroll by moving a seal formed between a support and the movable scroll |
| 09/02/2008 | US7419369 Displacement type expansion machine and fluid machine |
| 09/02/2008 | US7419365 Compressor with capacity control |
| 09/02/2008 | US7418833 Refrigeration Apparatus |
| 09/02/2008 | CA2473211C Bearing support and stator assembly for compressor |
| 08/28/2008 | WO2008102940A1 Compressor and oil separation device therefor |
| 08/28/2008 | WO2008102864A1 Scroll compressor |
| 08/28/2008 | WO2008102841A1 Compressor |
| 08/28/2008 | WO2008102721A1 Insulator for motor, stator, motor and compressor |
| 08/28/2008 | WO2008101387A1 A controlling method of a rotary compressor |
| 08/28/2008 | US20080206072 Vacuum Apparatus |
| 08/28/2008 | DE102008008683A1 Verbundfluidmaschine Composite fluid machine |
| 08/28/2008 | CA2677951A1 Compressor having a dual slide valve assembly |
| 08/27/2008 | EP1960671A1 Screw pump |
| 08/27/2008 | CN201106560Y Preparation equipment of cleanness compressed air for exchanging white spirit |
| 08/27/2008 | CN201106558Y Oil-free scroll vacuum pump |
| 08/27/2008 | CN201106557Y Screw type air compressor |
| 08/27/2008 | CN201106556Y Minitype screw type air compressor |
| 08/27/2008 | CN201106555Y Minitype frequency conversion screw type air compressor |
| 08/27/2008 | CN201106527Y Wind energy air compression power device |
| 08/27/2008 | CN101253329A Gear pump with improved inlet port |
| 08/27/2008 | CN100414112C Vibration damping structure for closed rotary compressor |
| 08/27/2008 | CN100414109C Rotating shaft fixer of rotary compressor |
| 08/27/2008 | CN100414106C Gear type compressor |
| 08/26/2008 | US7416395 Sleeve for coupling a refrigerant pipe to a compressor container |
| 08/26/2008 | US7415756 Magnetizing method using a magnetizing jig and method of assembling an electric compressor by using the jig and the magnetizing method |
| 08/21/2008 | US20080199340 Screw Displacement Pump |
| 08/21/2008 | CA2678337A1 Reciprocating compressor with inlet booster for cng station and refueling motor vehicles |
| 08/20/2008 | EP1957799A1 Helical screw compressor |
| 08/20/2008 | EP1957798A1 Helical screw compressor |
| 08/20/2008 | EP1957797A1 Helical screw compressor comprising a cooling jacket |
| 08/20/2008 | CN201103543Y Compressor |
| 08/20/2008 | CN201103542Y Compressor |
| 08/20/2008 | CN101248278A Closed compressor and refrigerating cycle apparatus |
| 08/20/2008 | CN101248277A Improved low-pressure screw compressor |
| 08/20/2008 | CN101248275A Pump body |
| 08/20/2008 | CN101245785A Oil cooled screw compressor |
| 08/20/2008 | CN101245783A Rotary compressor |
| 08/20/2008 | CN101245782A Rotary compressor |
| 08/20/2008 | CN101245781A Micro-whirlpool type tire inflation compressor |
| 08/20/2008 | CN100412465C Refrigerant cycling device |
| 08/20/2008 | CN100412381C Scroll compressor |
| 08/20/2008 | CN100412380C Fixed scroll of scroll compressor |
| 08/20/2008 | CN100412376C Axial supporting arrangement for vortex type compressor |
| 08/20/2008 | CN100412375C By-pass valve assembly of rotary and capacity-variable compressor |
| 08/20/2008 | CN100412374C Device for preventing vacuum in vortex type compressor |
| 08/20/2008 | CN100412373C Rotation type compressor |
| 08/20/2008 | CN100412372C Twin screw compressor, and method for reducing effect of temperature change on twin screw compressor |
| 08/20/2008 | CN100412371C Slip cap structure in vortex type compressor |
| 08/19/2008 | US7413423 Compressor having a lubrication shield |
| 08/19/2008 | US7413422 Compressor including pressure relief mechanism |
| 08/19/2008 | US7413419 Water-injected screw compressor |
| 08/14/2008 | WO2008096654A1 Compressor with integral oil separator |
| 08/14/2008 | WO2008096578A1 Rotary compressor |
| 08/14/2008 | WO2008096445A1 Scroll compressor and air conditioner |
| 08/14/2008 | US20080193317 Screw Rotor and Screw Fluid Machine |
| 08/14/2008 | US20080193316 Roots pump |
| 08/14/2008 | US20080193315 Roots-type fluid machine |
| 08/14/2008 | US20080193313 Scroll Compressor |
| 08/14/2008 | US20080193312 Scroll compressor with discharge valve |
| 08/14/2008 | US20080193311 Multi-Shaft Vacuum Pump With Circular Translation Cycle |
| 08/14/2008 | US20080193310 Capacity Varying Type Rotary Compressor and Refrigeration System Having the Same |
| 08/13/2008 | EP1956245A2 Screw pump rotor and method of reducing slip flow |
| 08/13/2008 | EP1956244A2 Scroll fluid machine |
| 08/13/2008 | EP1954947A1 Compressor installation with a water-injected compressor element |
| 08/13/2008 | CN201100234Y A sliding slice swelling machine |
| 08/13/2008 | CN101240799A Scroll machine |
| 08/13/2008 | CN101240798A Vortex conical surface type air-conditioner compressor |
| 08/13/2008 | CN101240797A Rotation-type compressor sliding blade spring and uses thereof |
| 08/13/2008 | CN101240796A Vortex compressor volution body structure |
| 08/13/2008 | CN100410540C Closed type compressor |
| 08/13/2008 | CN100410539C Variable capacity rotary compressor |
| 08/13/2008 | CN100410538C Capacity variable gas compressor |
| 08/13/2008 | CN100410537C Suspension type scroll fluid compressor with omnibearing complying structure |
| 08/12/2008 | CA2425487C Hinged rotor internal combustion engine |
| 08/12/2008 | CA2351989C Compressor installation with water-injected compressor element |
| 08/09/2008 | CA2619195A1 Screw pump rotor and method of reducing slip flow |
| 08/07/2008 | WO2008093397A1 Scroll compressor |
| 08/07/2008 | WO2008092593A1 Pump, particularly vane pump |
| 08/06/2008 | EP1953389A2 Vacuum pump |
| 08/06/2008 | EP1953388A1 Multistage compressor |
| 08/06/2008 | EP1952027A1 Rotary pump |
| 08/06/2008 | EP1952026A1 Rotary pump |
| 08/06/2008 | EP1952025A1 Rotary pump |
| 08/06/2008 | EP1952001A1 Internal combustion engine |
| 08/06/2008 | CN201096090Y Electromagnetic three way valve |
| 08/06/2008 | CN201096089Y Automobile direct current electric vacuum pump |
| 08/06/2008 | CN101238294A Vacuum pump |
| 08/06/2008 | CN101235818A Synchronous revolution fluid compressing device |
| 08/06/2008 | CN100408862C Scroll fluid machine with a silencer |
| 08/06/2008 | CN100408861C Multiple cylinder compressor |
| 08/06/2008 | CN100408860C Automatic regulating mechanism for displacement of rotary blade type compressor |
| 08/06/2008 | CN100408859C Double cylinder closed rotary compressor and refrigerating air-conditioning device |
| 08/05/2008 | US7407373 Internal gear pump and an inner rotor of such a pump |
| 08/05/2008 | US7407372 Progressing cavity pump or motor |