Patents for F04D 17 - Radial-flow pumps specially adapted for elastic fluids, e.g. centrifugal pumps; Helico-centrifugal pumps specially adapted for elastic fluids (4,320) |
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12/27/2001 | WO2001098669A1 Turbo compressor and refrigerator with the compressor |
12/27/2001 | WO2001098665A1 Arrangement for multi-stage heat pump assembly |
12/27/2001 | US20010055526 Turbo-molecular pump |
12/26/2001 | CN1328620A Apparatus for minimising noise in fan unit |
12/20/2001 | WO2001096745A1 In-line centrifugal fan |
12/19/2001 | CN2466393Y 电动泵 Electric pump |
12/19/2001 | CN1076448C DC blasting vane wheel |
12/12/2001 | CN1076087C Super critical vacuum pump |
12/11/2001 | US6328527 Prandtl layer turbine |
12/05/2001 | EP1160459A2 Vacuum pump |
12/05/2001 | EP0701528B1 Rotary disk pump for particulate matrials with grooved conveyor disks |
11/29/2001 | US20010046439 Casing for centrifugal compressors and method for the manufacture thereof |
11/28/2001 | EP1158178A1 Casing for centrifugal compressors and method for the manufacture thereof |
11/28/2001 | CN1323952A Direct flow fan, and air conditioner having said fan |
11/21/2001 | EP1155222A2 Casing design for rotating machinery and method for manufacture thereof |
11/15/2001 | DE10020878A1 Lüfter insbesondere zur Belüftung von elektronischen Geräten Fan, in particular for ventilating of electronic devices |
11/15/2001 | DE10018100A1 Diagonal-axial fan-compressor has blades passing from diagonal region into axial region so that flow channel has cover |
11/08/2001 | WO2001083994A1 Blower especially for ventilating electronic devices |
10/31/2001 | EP1148927A2 Gas separation with split stream centrifugal turbomachinery |
10/31/2001 | EP0843787B1 Mixed Flow Fan |
10/31/2001 | CN2457372Y Aeration fan |
10/31/2001 | CN1074099C 电动鼓风机 Electric blower |
10/31/2001 | CN1074098C Fluid-guiding means for air-blower |
10/31/2001 | CN1074094C Vortex compressor and assembly of same |
10/24/2001 | EP1146920A1 Blood pump using cross-flow principles |
10/24/2001 | CN1318696A Centrifugal gas compressor |
10/18/2001 | US20010031206 Vacuum apparatus and fan casing for the same |
10/11/2001 | US20010028842 Parallel fan |
10/11/2001 | US20010028839 Method and apparatus for expanding operating range of centrifugal compressor |
10/10/2001 | EP1143149A2 Method and apparatus for expanding operating range of centrifugal compressor |
10/10/2001 | CN1317075A Rotation device |
10/04/2001 | EP1138955A2 Method and apparatus for increasing the efficiency of a multi-stage compressor |
10/02/2001 | US6296459 Electric air pump having multiple impellers and method |
09/26/2001 | EP1135612A1 Impeller to shaft coupling |
09/25/2001 | US6293103 Turbocharger system to inhibit reduced pressure in intake manifold |
09/19/2001 | EP1036275A4 Motor-driven centrifugal air compressor with internal cooling airflow |
09/19/2001 | CN2448959Y Centrifugal blower fan coaxial high speed rotation with air cooling type screw bolt compressor |
09/19/2001 | CN1071424C Rotary throat cutoff device and method for reducing centrifugal fan noise |
09/06/2001 | US20010019693 Viscous drag impeller components incorporated into pumps, turbines and transmissions |
09/06/2001 | DE10010077A1 Suction machine has motor, rotors, separator, shaft arrangement, fan wheels, and spacer sleeves. |
09/05/2001 | CN1070582C Elliptical vortex wall for transvers fans |
09/04/2001 | CA2249086C Two-piece labyrinth seal for a centrifugal compressor balance piston |
09/04/2001 | CA2205210C Recirculating diffuser |
08/30/2001 | US20010018018 Gas friction pump |
08/30/2001 | DE10008691A1 Gasreibungspumpe Gas friction pump |
08/29/2001 | EP1128069A2 Drag vacuum pump |
08/29/2001 | CN2445117Y Centrifugal chlorine compresser |
08/22/2001 | EP1126179A2 Multi stage electrical air pump |
08/15/2001 | CN2443176Y High-pressure electric pump |
08/15/2001 | CN1069735C Engine cooler and construction machines |
08/09/2001 | WO2001057402A1 Friction vacuum pump |
08/08/2001 | EP1121747A1 Assembly of rotatable members |
08/02/2001 | WO2001056121A1 Excimer laser |
08/02/2001 | DE10004271A1 Friction vacuum pump has component parts supporting rotor and stator blade rows extending radially and longitudinal axes of blades extend axially, and medium flows through pump from outside inwards |
08/01/2001 | EP1119710A1 Friction vacuum pump |
07/31/2001 | US6267560 Wet gas compression method with evaporation of the liquid |
07/17/2001 | US6261070 In-line electric motor driven compressor |
07/17/2001 | US6261052 Prandtl layer turbine |
07/17/2001 | US6261051 Fan duct combination unit |
06/28/2001 | WO2001046564A1 Viscous drag impeller components incorporated into pumps, turbines and transmissions |
06/21/2001 | WO2001044665A1 A method of improving the performance of heat-pump installations for making ice |
06/20/2001 | CN1300350A Electric blower and vacuum cleaner using it |
06/07/2001 | WO2001040111A1 Micromachines |
06/07/2001 | DE19956965A1 Verfahren zum Betreiben einer Kälteanlage sowie Kälteanlage A method of operating a refrigeration system and refrigeration plant |
06/07/2001 | CA2393139A1 Micromachines |
06/06/2001 | CN1298064A 混合式流体泵 Hybrid fluid pump |
05/31/2001 | WO2001038117A1 Method for operating a refrigeration system and a refrigeration system |
05/30/2001 | EP1102936A1 Rotation device |
05/30/2001 | EP1102886A1 Control system for a vacuum pump used for removing liquid and a method of controlling said pump |
05/29/2001 | US6238177 Prandtl layer turbine |
05/25/2001 | WO2001036825A1 Radial flow turbomolecular vacuum pump |
05/23/2001 | EP1101945A2 Vacuum pumps |
05/23/2001 | EP1101037A1 Rotation device with drive motor |
05/23/2001 | EP1101036A1 Method for manufacturing a blade or baffle of sheet metal |
05/23/2001 | CN1296551A Two-stage centrifugal compressor |
05/22/2001 | US6234749 Centrifugal compressor |
05/17/2001 | WO2001034014A1 Fume extraction apparatus and assembly |
05/15/2001 | US6231301 Casing treatment for a fluid compressor |
05/10/2001 | DE19953270A1 Centrifugal force compressor used as turbocompressor which has higher efficiency than conventional turbo compressors |
05/08/2001 | US6227795 Contoured propulsion blade and a device incorporating same |
05/02/2001 | EP1096209A1 Heat pumping device, in particular for refrigeration |
05/01/2001 | US6224325 Prandtl layer turbine |
04/26/2001 | WO2001029417A1 Compact molecular drag vacuum pump |
04/25/2001 | CN1292851A Friction vacuum pump with stator and rotor |
04/25/2001 | CA2323941A1 Heat pump installation for cooling |
04/24/2001 | US6221130 Compressing gas in multistage compressor which produces both interstage compressed gas and final stage compressed gas; drying final stage compressed gas by contacting final stage compressed gas with regenerable adsorbent |
04/24/2001 | US6220831 Turbomolecular pump |
04/17/2001 | US6217541 Blood pump using cross-flow principles |
04/17/2001 | US6217278 Turbomolecular pump |
04/11/2001 | EP1090231A1 Frictional vacuum pump with chassis, rotor, housing and device fitted with such a frictional vacuum pump |
04/11/2001 | CN1291262A Method for generating over-pressure gas |
04/05/2001 | WO2001023764A1 Apparatus for minimising noise in a fan unit |
04/05/2001 | CA2385177A1 Apparatus for minimising noise in a fan unit |
04/03/2001 | US6210116 High efficiency pump impeller |
04/03/2001 | US6210109 Portable fluid blower |
04/03/2001 | US6210101 Combined structure of cross-flow fan |
03/22/2001 | WO2001020168A1 Turboblower |
03/21/2001 | EP1085212A2 High-pressure centrifugal pump |
03/21/2001 | CN1288111A Horizontal flow air fan for air conditioner |
03/21/2001 | CN1063530C Tran sversly blowing fan |