| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 03/08/2006 | CN1743675A Unequal-tooth-number screw profile for high-flow high-pressure three-screw pump |
| 03/08/2006 | CN1743674A Efficient high compression ratio vortex compressor |
| 03/08/2006 | CN1244755C Vortex compressor |
| 03/07/2006 | US7008201 Gapless screw rotor device |
| 03/07/2006 | US7008200 Gerotor apparatus for a quasi-isothermal brayton cycle engine |
| 03/07/2006 | US7008199 Rotary compressor, method for manufacturing the same, and defroster for refrigerant circuit |
| 03/07/2006 | US7007505 Refrigerating device |
| 03/02/2006 | WO2006022787A2 Method and apparatus for reducing noise in a roots-type blower |
| 03/02/2006 | US20060045784 Motor compressor lubrication |
| 03/02/2006 | US20060045761 Oil return tube aligned over motor protector in scroll compressor |
| 03/02/2006 | DE102004040195A1 Rotary vane pump has slide provided with supporting arms that slide on pivot |
| 03/02/2006 | DE102004038924A1 Side channel rotary vane pump has ring channel divided into chambers that suck gas into work space through inlet ports and out of discharge openings |
| 03/02/2006 | CA2777189A1 Method and apparatus for reducing noise in a roots-type blower |
| 03/02/2006 | CA2574082A1 Method and apparatus for reducing noise in a roots-type blower |
| 03/01/2006 | EP1630420A1 Closed compressor |
| 03/01/2006 | CN2761877Y Axial sealing structure of scroll type compressor |
| 03/01/2006 | CN1740572A Low-noise Roots blower |
| 03/01/2006 | CN1740571A Motor compressor lubrication |
| 03/01/2006 | CN1740570A Micro machined vortex type compressor and relevant technology |
| 03/01/2006 | CN1243916C Water-injected screw-type compressor |
| 03/01/2006 | CN1243915C Water-injected screw compressor |
| 02/28/2006 | US7004735 Scroll-type fluid machine having a path to pass and cool the fluid |
| 02/23/2006 | WO2006019010A1 Scroll compressor |
| 02/23/2006 | US20060039815 Fluid displacement pump |
| 02/23/2006 | US20060039805 Variable inner volume ratio-type inverter screw compressor |
| 02/22/2006 | EP1415093A4 Compressor |
| 02/22/2006 | CN2760290Y Air conditioner compressor capable of pressure balancing |
| 02/22/2006 | CN1737375A Closed type compressor |
| 02/22/2006 | CN1737374A Defroster of refrigerant circuit and rotary compressor |
| 02/22/2006 | CN1243186C 旋转压缩机 Rotary compressor |
| 02/21/2006 | US7002096 Surface modification process on metal dentures, products produced thereby, and the incorporated system thereof |
| 02/21/2006 | US7001162 Compressor assembly |
| 02/21/2006 | US7001161 Scroll fluid machine |
| 02/21/2006 | US7000424 Refrigerant cycling device |
| 02/16/2006 | WO2005067618A3 Scroll compressor with enlarged vapor injection port area |
| 02/16/2006 | DE102004034925B3 Einflügelvakuumpumpe A single- |
| 02/16/2006 | DE102004010061B9 Seitenkanal-Drehschieberpumpe Side channel rotary vane pump |
| 02/16/2006 | CA2765227A1 Method and apparatus for attenuating compressor noise |
| 02/15/2006 | EP1626178A1 Scroll vacuum pump |
| 02/15/2006 | CN2758531Y High-efficient high-reliable vertical full-closed vortex compressor |
| 02/15/2006 | CN2758530Y 干式螺杆真空泵 Dry screw vacuum pump |
| 02/15/2006 | CN2758529Y Scroll compressor |
| 02/15/2006 | CN1735449A Filtration vessel and method for rotary gas compressor system |
| 02/15/2006 | CN1734097A Vortex compressor |
| 02/15/2006 | CN1734096A Vacuum pump with turbination |
| 02/15/2006 | CN1734095A 可变容量旋转压缩机 The variable capacity rotary compressor |
| 02/15/2006 | CN1734094A Capacity variable gas compressor |
| 02/15/2006 | CN1242173C Oil jet for vortex type compressor |
| 02/15/2006 | CN1242172C Twin screw rotors and extrusion machines containing the same |
| 02/15/2006 | CN1242171C Apparatus for reducing friction loss of vortex compressor |
| 02/14/2006 | CA2208299C Self lubricating vane air motor |
| 02/09/2006 | WO2006013761A1 Vane rotary type air pump |
| 02/09/2006 | US20060029510 Motor-driven Roots compressor |
| 02/08/2006 | CN1732342A Coated end wall of a compressor chamber and method of manufacture thereof |
| 02/08/2006 | CN1730946A Vortex compressor with oil returning device for large displacement vehicle |
| 02/08/2006 | CN1730945A Vortex compressor for large displacement vehicle |
| 02/08/2006 | CN1240973C Scroll compressor |
| 02/08/2006 | CN1240945C Compressor |
| 02/08/2006 | CN1240944C Vortex compressor with gas compensation function |
| 02/08/2006 | CN1240943C Vortex compressor |
| 02/08/2006 | CN1240518C Core regulating device for vortex compressor and its core regulating method |
| 02/07/2006 | US6993910 Fluid machine |
| 02/02/2006 | DE102004034922A1 Einflügelvakuumpumpe A single- |
| 02/01/2006 | EP1621772A2 Capacity modulated scroll machine |
| 02/01/2006 | EP1621771A2 Capacity modulated scroll machine |
| 02/01/2006 | EP1620649A1 Improvements in seal assemblies |
| 02/01/2006 | CN2755318Y Small-volume and big-flow pump |
| 02/01/2006 | CN1727682A Screw compressor |
| 02/01/2006 | CN1727680A Vortex compressor |
| 02/01/2006 | CN1727679A Compressor in rolling piston type |
| 02/01/2006 | CN1239827C Vortex compressor manufacture method and apparatus |
| 02/01/2006 | CN1239826C Production for sliding vane of compressor |
| 01/31/2006 | US6991443 Oil injected screw compressor |
| 01/31/2006 | US6991440 Two-stage screw compressor |
| 01/26/2006 | WO2006009603A1 Scroll compressor with recess on crankcase or orbiting scroll |
| 01/26/2006 | US20060018779 Method of transforming a motion in a volume screw machine of rotary type and rotary screw machine |
| 01/26/2006 | US20060018773 Air-cooled dry vacuum pump |
| 01/26/2006 | US20060018769 Compressor with capacity control |
| 01/26/2006 | US20060016200 Compressor diagnostic method |
| 01/25/2006 | EP1619389A2 Scroll compressor capacity control |
| 01/25/2006 | CN2753905Y Compressor bypass exhaust structure |
| 01/25/2006 | CN1726338A Volume expander and fluid machine |
| 01/25/2006 | CN1724873A Variable capacity rotation compressor |
| 01/25/2006 | CN1724872A Variable capacity rotation compressor |
| 01/25/2006 | CN1724871A Vortex compressor |
| 01/25/2006 | CN1238674C Control and cooling system of compressor |
| 01/25/2006 | CN1238142C Method for producing sintered metal |
| 01/24/2006 | US6988877 Screw machine |
| 01/24/2006 | US6988876 Scroll type fluid machinery |
| 01/24/2006 | CA2173128C Positive displacement pump apparatus |
| 01/19/2006 | WO2006006297A1 Rotary fluid machine |
| 01/19/2006 | WO2006005445A1 Blade for a single-blade vacuum pump |
| 01/19/2006 | WO2006005385A1 Single winged vacuum pump |
| 01/19/2006 | WO2006005384A1 Single-winged vacuum pump |
| 01/19/2006 | WO2006005383A1 Single-winged vacuum pump |
| 01/19/2006 | WO2006005382A1 Single-winged vacuum pump |
| 01/19/2006 | WO2006005381A1 Single-winged vacuum pump |
| 01/19/2006 | WO2006005380A1 Single-blade vacuum pump |
| 01/19/2006 | CA2575890A1 Blade for a single-blade vacuum pump |
| 01/19/2006 | CA2575781A1 Single-winged vacuum pump |