| Patents for F04C 18 - Rotary-piston pumps specially adapted for elastic fluids (19,462) |
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| 03/27/2002 | CN1081756C Variable-displacement screw-type compressor |
| 03/27/2002 | CN1081755C Oil separator for compressors, scroll compressor using said separator and method of manufacturing said oil separator |
| 03/27/2002 | CN1081753C Oil supplying apparatus for horizontal type rotary compressor |
| 03/27/2002 | CN1081751C 流体机械 Fluid Machinery |
| 03/26/2002 | US6361890 Fuel cell system having scroll type compressor and regenerator |
| 03/26/2002 | US6361297 Scroll compressor with pivoting slider block and improved bore configuration |
| 03/26/2002 | US6361296 Scroll type compressor having a gap that collects and supplies oil to an oil supply path or the eccentric bearing |
| 03/26/2002 | US6361293 Horizontal rotary and method of assembling same |
| 03/21/2002 | WO2002023046A1 Pump comprising a water supply |
| 03/21/2002 | WO2002023045A1 Rotary compressor with supercharge port |
| 03/21/2002 | WO2001048381A3 Vacuum pump |
| 03/21/2002 | US20020034451 Closed type motor-operated compressor |
| 03/21/2002 | US20020033305 Displacement type fluid machine |
| 03/21/2002 | CA2421988A1 Pump with water injection |
| 03/20/2002 | EP1188929A1 Scroll compressors |
| 03/20/2002 | EP1188928A1 Scroll compressors |
| 03/20/2002 | EP1188927A2 Scroll compressors |
| 03/20/2002 | EP1187990A1 Gas rotary screw compressor |
| 03/20/2002 | CN1340663A Core regulating device for vortex compressor and its core regulating method |
| 03/20/2002 | CN1081296C Serrated form generation method for helical rotor |
| 03/19/2002 | US6359411 Displacement machine for compressible media |
| 03/19/2002 | US6358028 Scroll compressor |
| 03/14/2002 | WO2002020992A1 Helical compressor |
| 03/14/2002 | WO2001051813A8 A screw compressor injected with water |
| 03/14/2002 | US20020031439 Combination double screw rotor assembly |
| 03/14/2002 | DE10042545A1 Integrated motor compressor or pump has electric motor and compressor or pump with one or more common electrically driven rotors and housing |
| 03/13/2002 | CN1339656A Fork type isolated blade rolling rotor cylinder structure |
| 03/13/2002 | CN1080835C 涡旋压缩机 Scroll Compressor |
| 03/12/2002 | US6354823 Displacement machine having a ceramic rolling bearing |
| 03/12/2002 | US6354822 Oil retention in compressor slider block |
| 03/12/2002 | US6354821 Scroll compressor with dual clutch capacity modulation |
| 03/07/2002 | WO2002018791A1 Vacuum pump |
| 03/07/2002 | US20020028153 Automotive vane pump for generating anti-centrifugal force |
| 03/07/2002 | US20020028152 Oscillating piston type compressor and method of manufacturing piston thereof |
| 03/07/2002 | US20020028150 Scroll compressor |
| 03/07/2002 | US20020028144 Electromagnetic clutch and gas compressor mounted with this electromagnetic clutch |
| 03/07/2002 | US20020026806 Air-conditioner, outdoor unit and refrigeration unit |
| 03/07/2002 | DE10120240A1 Motorbetriebener Kompressor The motor-driven compressor |
| 03/07/2002 | DE10040020A1 Schraubenverdichter Screw compressor |
| 03/06/2002 | EP1183470A1 A rotary pump |
| 03/06/2002 | CN1339089A 涡卷式压缩机 Scroll compressor |
| 03/06/2002 | CN1339088A 涡卷式压缩机 Scroll compressor |
| 03/06/2002 | CN1339087A 涡旋式压缩机和空调机 Scroll compressors and air conditioners |
| 03/06/2002 | CN1338574A Compressor with gear-type rotor |
| 03/06/2002 | CN1338573A Positive displacement device with working unit with inlet and outlet |
| 03/06/2002 | CN1080391C Gas actuated slide valve in a screw compressor |
| 03/06/2002 | CN1080389C Fluid compressor |
| 03/05/2002 | US6352420 Complex teeth-type gas compressor |
| 03/05/2002 | US6352418 Displacement type fluid machine |
| 03/05/2002 | US6352417 Optimized radial compliance for a scroll compressor |
| 03/05/2002 | US6352247 Mounting structure of compressor for vehicle air conditioner to vehicle |
| 03/05/2002 | CA2241869C Scroll hydraulic machine |
| 02/28/2002 | WO2002016773A1 Pressure seal for a vacuum pump |
| 02/28/2002 | US20020025269 Hermetic compressor and open compressor |
| 02/28/2002 | US20020025268 Outer shell structure of scroll compressor for fuel cell |
| 02/28/2002 | US20020023459 Freezing apparatus |
| 02/28/2002 | DE10040482A1 Twin-shaft Roots pump has hollow shafts to carry the lubricating oil for the pair of drive cogwheels, with an oil pump at one shaft |
| 02/28/2002 | DE10039780A1 Control device for mechanical booster has valve that selectably connects initial outlet channel to suction channel so that part of transported medium is returned to suction chamber |
| 02/27/2002 | EP1182353A1 Scroll machine |
| 02/27/2002 | EP1182352A2 Apparatus and method for aligning scroll compressor |
| 02/27/2002 | EP1181454A1 Apparatus for preventing vacuum compression of scroll compressor |
| 02/27/2002 | EP0898655B1 Plural screw positive displacement machines |
| 02/27/2002 | EP0808423B1 Rotary compressor with reduced lubrication sensitivity |
| 02/27/2002 | CN2479254Y Rolling piston compressor |
| 02/27/2002 | CN1337532A Electromagnetic clutch and gas compressor fitted with said clutch |
| 02/27/2002 | CN1079915C Scroll machine with reverse rotation protection |
| 02/27/2002 | CN1079914C Exhaust valve fixing apparatus for sealed compressor |
| 02/27/2002 | CN1079913C Rotary compressor |
| 02/27/2002 | CN1079912C Turbine type compressor |
| 02/26/2002 | US6350111 Scroll machine with ported orbiting scroll member |
| 02/25/2002 | CA2355915A1 Apparatus and method for aligning scroll compressor |
| 02/21/2002 | WO2002014694A1 Screw-type compressor |
| 02/21/2002 | US20020021972 Capacity control of refrigeration systems |
| 02/21/2002 | US20020021969 Compressor, its control device and control method |
| 02/21/2002 | US20020020186 Scroll compressor |
| 02/21/2002 | DE10039006A1 Zweiwellenvakuumpumpe Twin-screw vacuum pump |
| 02/20/2002 | CN1336987A Screw compressor and refrigerator |
| 02/20/2002 | CN1336986A 螺旋压缩机 Screw compressors |
| 02/20/2002 | CN1079505C Oil sealed vane-type rotary vacuum pump with oil feed |
| 02/20/2002 | CN1079504C Compressor installation |
| 02/20/2002 | CN1079502C Sealed compressor |
| 02/20/2002 | CN1079501C Single-bolt compressor |
| 02/20/2002 | CN1079500C Scroll gas compressor |
| 02/20/2002 | CN1079490C Scroll hydraulic machine |
| 02/14/2002 | WO2002012727A1 Fluid compressor |
| 02/14/2002 | WO2002012726A1 Two-shaft vacuum pump |
| 02/14/2002 | US20020018724 Compressor with control and protection system |
| 02/13/2002 | EP0800622B1 Compressor installation |
| 02/13/2002 | CN2476659Y Sliding vane fan |
| 02/13/2002 | CN2476658Y Dry-type screw vacuum pump |
| 02/13/2002 | CN1335915A Scroll-type fluid displacement device for vacuum pump application |
| 02/13/2002 | CN1335454A 旋转压缩机 Rotary compressor |
| 02/13/2002 | CN1335453A Radial vortex compressor |
| 02/13/2002 | CN1079140C Vortex disk for vortex fluid pump |
| 02/13/2002 | CN1079139C Horizontal turbo compressor |
| 02/12/2002 | US6345967 Scroll type fluid machine having different wrap side surface clearances |
| 02/12/2002 | US6345966 Scroll compressor with dampening bushing |
| 02/07/2002 | US20020014496 Method and apparatus for accurately dispensing liquids and solids |
| 02/07/2002 | US20020014218 Multiple cylinder rotary motor and method of operation |
| 02/07/2002 | US20020014069 Quasi-Isothermal brayton cycle engine |