| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 01/19/2011 | CN101952597A Scroll compressor having standardized power strip |
| 01/19/2011 | CN101952596A Scroll compressor suction flow path & bearing arrangement features |
| 01/19/2011 | CN101952595A Open drive scroll compressor with lubrication system |
| 01/19/2011 | CN101952553A Scroll compressor with housing shell location |
| 01/19/2011 | CN101952552A Non symmetrical key coupling contact and scroll compressor having same |
| 01/19/2011 | CN101952551A Key coupling and scroll compressor incorporating same |
| 01/19/2011 | CN101463820B Horizontal rotary compressor |
| 01/19/2011 | CN101440812B Lubrication apparatus of rotary compressor and control method thereof |
| 01/19/2011 | CN101216035B Swirl type compressor and its control method |
| 01/18/2011 | US7871254 Magnetic bearing and coupling device |
| 01/18/2011 | US7871252 Rotary compressor having two compression capacities |
| 01/13/2011 | WO2011004342A2 Rotors for a rotary screw machine |
| 01/13/2011 | WO2011004257A2 Dry screw driver |
| 01/13/2011 | WO2010118140A3 Compressor having capacity modulation assembly |
| 01/13/2011 | WO2010114707A3 Contoured check valve disc and scroll compressor incorporating same |
| 01/13/2011 | WO2010111134A3 Shaft bearings, compressor with same, and methods |
| 01/13/2011 | WO2010105007A3 Powder metal scrolls and sinter-brazing methods for making the same |
| 01/12/2011 | EP2273216A1 Screw refrigerating apparatus |
| 01/12/2011 | EP2174012B1 Refrigeration compressor with variable speed spirals |
| 01/12/2011 | EP1204809B1 Rotary piston engine |
| 01/12/2011 | CN201705670U Dynamic and static scroll plate, scroll plate and scroll compressor |
| 01/12/2011 | CN201705668U Direct-current brushless gas sampling pump |
| 01/12/2011 | CN1963205B Vortex fluid machinery |
| 01/12/2011 | CN1834461B Hermetically sealed compressor and method of manufacturing the same |
| 01/12/2011 | CN101946090A Scroll compressor |
| 01/12/2011 | CN101539143B Scroll compressor |
| 01/12/2011 | CN101413506B Scroll compressor manufacturing method |
| 01/12/2011 | CN101395344B Fluid machine |
| 01/12/2011 | CN101248278B Closed compressor and refrigerating cycle apparatus |
| 01/11/2011 | US7866967 Pump having an intermediate element with a pivot bearing within a rotor for connecting the rotor with a coupling device |
| 01/11/2011 | US7866962 Two-stage rotary compressor |
| 01/11/2011 | US7866297 Rotary heat engine |
| 01/11/2011 | US7866284 Oscillating piston engine |
| 01/06/2011 | WO2011001100A2 Multi-stage scroll machine |
| 01/06/2011 | WO2011000050A1 Rotary device |
| 01/06/2011 | WO2010111685A3 Compressor with a bypass port |
| 01/06/2011 | WO2010025799A3 Mono-vane cell vacuum pump having a bypass channel |
| 01/06/2011 | WO2009108007A9 Scroll compressor comprising oil separating driving shaft |
| 01/05/2011 | EP2268898A1 System for construction of pumps, compressors and rotary engine composed of two rotors with one, two or more displacer's each, that move themselves in the same direction at speeds that are varying and alternativly opposite each other |
| 01/05/2011 | EP1952025B1 Rotary pump |
| 01/05/2011 | EP1690007B1 Two stage scroll vacuum pump |
| 01/05/2011 | CN201696295U Vapor and liquid state medium double-purpose high-efficiency oil-free scroll compressor |
| 01/05/2011 | CN101939548A Compressor and freezer |
| 01/05/2011 | CN101939547A Volume type gas compressor |
| 01/05/2011 | CN101939546A Fluid machine |
| 01/05/2011 | CN101939545A Oil-cooled type screw compressor |
| 01/05/2011 | CN101936292A Compressor |
| 01/05/2011 | CN101936250A Volumetric fluid pressure and power converting module |
| 01/04/2011 | US7862313 Compressor and oil separating device therefor |
| 12/30/2010 | US20100329918 Screw compressor |
| 12/30/2010 | US20100329916 Oil-cooled type screw compressor |
| 12/29/2010 | WO2010150542A1 Compressor |
| 12/29/2010 | WO2010148986A1 Method for assembling pump body of two-cylinder rotary compressor |
| 12/29/2010 | WO2010104582A3 Compressor having bearing assembly |
| 12/29/2010 | EP2267313A1 Cleaning method of a rotary piston vacuum pump |
| 12/29/2010 | EP2267311A1 Freezing device |
| 12/29/2010 | EP2267310A1 Compressor |
| 12/29/2010 | EP2267308A1 Refrigerant compressor and refrigeration cycle system |
| 12/29/2010 | CN201687712U Screw compressor rotor with diameter of female rotor equal to nominal diameter |
| 12/29/2010 | CN201687708U Scroll compressor |
| 12/29/2010 | CN201687707U Vortex type booster with magnetic sealing device |
| 12/29/2010 | CN101929460A Horizontal arrangement type closed compressor |
| 12/29/2010 | CN101397995B Refrigerant compressor |
| 12/29/2010 | CN101392750B Dry vacuum pump |
| 12/29/2010 | CN101315077B Operation method of oil-cooled type screw compressor |
| 12/29/2010 | CN101163861B Scroll expander |
| 12/29/2010 | CN101153597B Energy-saving single-bolt compressor |
| 12/28/2010 | USRE42006 Adaptive control for a refrigeration system using pulse width modulated duty cycle scroll compressor |
| 12/23/2010 | WO2010146837A1 Rotary compressor |
| 12/23/2010 | WO2010146793A1 Screw compressor |
| 12/23/2010 | WO2009108006A9 Inverter type scroll compressor |
| 12/23/2010 | US20100322806 Arrangement including a gear pump |
| 12/23/2010 | US20100319392 Capacity varying type rotary compressor and refrigeration system having the same |
| 12/23/2010 | DE102009024336A1 Vakuumpumpe Vacuum pump |
| 12/23/2010 | DE10196063B4 Integrierte Kompressortrocknervorrichtung Integrated Compressor Dryer device |
| 12/22/2010 | EP2264319A2 Oil free screw compressor |
| 12/22/2010 | EP2263008A1 Method for cooling a liquid-injected compressor element and liquid-inject compressor element for applying such a method |
| 12/22/2010 | CN201679720U Involute initial angle for static vortex disc of improved compressor |
| 12/22/2010 | CN201679719U Improved fixed scroll of scroll compressor |
| 12/22/2010 | CN1821578B Compressor diagnostic system |
| 12/22/2010 | CN101925745A Screw compressor |
| 12/22/2010 | CN101925744A Rotary fluid machine |
| 12/22/2010 | CN101925743A Compressor |
| 12/22/2010 | CN101922449A Water spraying scroll compressor |
| 12/21/2010 | US7854602 Rotary compressor for changing compression capacity |
| 12/16/2010 | WO2010143650A1 Scroll fluid machine |
| 12/16/2010 | WO2010142898A2 Lower portion for a compressor configured for receiving a fluid and for compressing same |
| 12/16/2010 | WO2010142003A1 Rotor for a screw compressor |
| 12/16/2010 | WO2010116733A3 Rotary compressor |
| 12/15/2010 | EP2261579A1 Freezing device |
| 12/15/2010 | CN201671819U Oil baffle assembly and rotary compressor provided with same |
| 12/15/2010 | CN101918716A Gate rotor and screw compressor |
| 12/15/2010 | CN101915240A Scroll compressor |
| 12/15/2010 | CN101915239A Scroll machine with single plate floating seal |
| 12/15/2010 | CN101424266B Oblique star wheel single screw compressor |
| 12/15/2010 | CN101210556B Roots dry type vacuum pump rotor capable of directly discharging to air and processing technique thereof |
| 12/15/2010 | CN101033746B Scroll compressor |
| 12/14/2010 | US7850438 Scroll fluid machine with back pressure chamber sealing |
| 12/14/2010 | US7849822 Reciprocating rotation type engine and power transferring device and hybrid system using the same |
| 12/09/2010 | WO2010072526A3 Vacuum pump |