| 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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| 08/20/2002 | US6435811 Friction vacuum pump with a stator and a rotor |
| 08/15/2002 | WO2001029417A9 Compact molecular drag vacuum pump |
| 08/14/2002 | CN2505623Y 贯流风扇 Cross flow fan |
| 08/08/2002 | US20020106278 Turbo compressor and refrigerator with the compressor |
| 08/07/2002 | EP0839284B1 Multi-stage rotary fluid handling apparatus |
| 07/31/2002 | EP1225827A1 Fume extraction apparatus and assembly |
| 07/30/2002 | US6425739 In-line centrifugal fan |
| 07/25/2002 | US20020098092 Vacuum pump |
| 07/25/2002 | US20020097929 Turbo compressor |
| 07/24/2002 | EP1015056A4 Medical ventilator |
| 07/24/2002 | CN2502048Y Drive molecular pump |
| 07/24/2002 | CN2502047Y Multi-wing vane |
| 07/23/2002 | US6422829 Compound pump |
| 07/18/2002 | US20020094005 Fan for gas discharge laser |
| 07/11/2002 | US20020090291 Once-through pump |
| 07/09/2002 | CA2205211C Variable pipe diffuser for centrifugal compressor |
| 07/04/2002 | WO2002052110A1 Double layer acoustic liner and a fluid pressurizing device and method utilizing same |
| 07/03/2002 | CN2498375Y Axial fan |
| 06/26/2002 | EP1217219A2 Direct drive compressor assembly |
| 06/26/2002 | EP1216360A1 Apparatus for minimising noise in a fan unit |
| 06/26/2002 | EP1216359A1 Centrifugal pump |
| 06/25/2002 | US6409477 Vacuum pump |
| 06/25/2002 | US6409468 Turbo-molecular pump |
| 06/20/2002 | US20020076336 Direct drive compressor assembly |
| 06/12/2002 | EP1213482A1 Vacuum pump |
| 06/11/2002 | US6402482 Small turbo compressor |
| 06/06/2002 | US20020067986 Blower assembly with multi segmented support arrangement for split air conditioner |
| 06/04/2002 | US6398853 Gas separation with split stream centrifugal turbomachinery |
| 06/04/2002 | US6398518 Method and apparatus for increasing the efficiency of a multi-stage compressor |
| 06/04/2002 | US6398517 Turbo compressor |
| 06/04/2002 | US6397621 Heating pumping installation, in particular with a refrigeration function |
| 05/30/2002 | WO2002016775A3 A turbine |
| 05/30/2002 | US20020064457 Blower |
| 05/30/2002 | US20020064451 Gas friction pump |
| 05/28/2002 | US6394747 Molecular drag vacuum pumps |
| 05/23/2002 | DE10056144A1 Gasreibungspumpe Gas friction pump |
| 05/21/2002 | US6390789 Cooling means for the motor of a turbocompressor |
| 05/21/2002 | US6390773 Fluid machinery, a flange for fluid machinery, and a method for manufacturing them |
| 05/15/2002 | EP1205667A2 Gas friction pump |
| 05/08/2002 | CN2490336Y Live fish transporting pump |
| 05/07/2002 | US6382909 Rotary turning apparatus |
| 05/02/2002 | EP1201929A2 Vacuum pump |
| 04/25/2002 | DE10144418A1 Mehrstufiger Kompressor in einem Turbolader und Verfahren zur Konfiguration A multi-stage compressor in a supercharger and method for configuring |
| 04/24/2002 | EP0954727B1 Improved heat gun fan assembly |
| 04/24/2002 | CN2487893Y Transverse flow fan and air conditioner using transverse flow fan |
| 04/24/2002 | CN1346021A Turbo-compressor |
| 04/24/2002 | CN1346020A Propeller type centrofugal compressor structure |
| 04/23/2002 | US6375438 Two-stage centrifugal compressor |
| 04/23/2002 | US6375413 Vacuum pumps |
| 04/23/2002 | US6375412 Viscous drag impeller components incorporated into pumps, turbines and transmissions |
| 04/18/2002 | WO2002031360A1 Pump embodied as a side channel pump |
| 04/11/2002 | WO2002029331A1 Air conditioner |
| 04/11/2002 | WO2002029252A1 Mixed flow and centrifugal compressor for gas turbine engine |
| 04/11/2002 | DE10048695A1 Side channel pump for conveying fluid gas mixtures has pump channel running in a spiral coil round rotor |
| 04/11/2002 | DE10046766A1 Compound-Reibungsvakuumpumpe Compound friction vacuum pump |
| 04/10/2002 | CN1343835A Device for preventing foreign substance from winding in working engine |
| 04/09/2002 | US6368066 Vacuum apparatus and fan casing with wear indicator |
| 04/04/2002 | WO2002027190A1 Multi-stage impeller |
| 04/04/2002 | WO2002027189A1 Compound friction vacuum pump |
| 04/04/2002 | CA2420767A1 Multi-stage impeller |
| 04/02/2002 | US6364632 Compressor |
| 03/28/2002 | WO2002025116A1 Turbomolecular vacuum pump with rows of rotor blades and rows of stator blades |
| 03/28/2002 | US20020037225 Turbo compressor |
| 03/28/2002 | US20020037215 Centrifugal compressor structure with impellers |
| 03/28/2002 | DE10046506A1 Turbo-molecular vacuum pump has part of blades thickened in region of pressure side edge |
| 03/28/2002 | DE10045942A1 Fan, especially radial fan, has casing with two side walls constructed as end plates between which is fixed circumferential wall constructed as curved sheet metal strip |
| 03/28/2002 | DE10045941A1 Radial fan has suction port of first suction chamber equipped with injector wall extending into chamber, its region facing blade ring of impeller constructed as wall section extended in axial direction of impeller |
| 03/27/2002 | EP1191229A2 Turbocharger control system |
| 03/27/2002 | CN1341813A Turbofan for air conditioner system |
| 03/26/2002 | US6361270 Centrifugal pump for a gas turbine engine |
| 03/21/2002 | US20020033148 Foreign matter entanglement-preventing device in working engine |
| 03/20/2002 | EP1188911A2 Foreign matter entanglement-preventing device in working engine |
| 03/20/2002 | CN1081318C Cross airflow fan support device for air conditioner |
| 03/14/2002 | DE10038753A1 Cross flow fan has at least one air inlet orifice, and includes impeller, and at least one separating device between suction side and delivery side of fan |
| 03/13/2002 | CN1080839C Method for increasing pumping efficiency and reducing specific gravity |
| 03/07/2002 | WO2002018793A1 Radial regenerative turbomachine |
| 03/07/2002 | US20020028138 Turbofan in air conditioner |
| 03/06/2002 | EP1184575A2 Turbofan for air conditioner |
| 02/28/2002 | WO2002016775A2 A turbine |
| 02/27/2002 | CN1338023A Casing design for rotating machinery and method for manufacture thereof |
| 02/26/2002 | CA2233381C Fan system with variable air volume control |
| 02/20/2002 | CN1336527A Turbine compressor and refrigerator |
| 02/14/2002 | US20020018712 Vacuum pump |
| 02/13/2002 | CN1079141C Centrifugal steam melangeur |
| 02/12/2002 | US6345951 Cross flow fan of an air conditioner |
| 02/12/2002 | US6345503 Multi-stage compressor in a turbocharger and method of configuring same |
| 02/07/2002 | US20020014088 Turbocompressor and refrigerating machine |
| 02/06/2002 | CN1334409A 贯流风机 Cross Flow Fan |
| 01/30/2002 | CN2474759Y Cross flow wind wheel |
| 01/29/2002 | US6341643 Crossflow fan |
| 01/23/2002 | CN2473364Y Multistage centrafugal vacuum pump |
| 01/22/2002 | US6340287 Multistage centrifugal compressor impeller for multistage centrifugal compressor and method for producing the same |
| 01/17/2002 | WO2002004871A2 A ventilating device |
| 01/16/2002 | CN2471981Y Centrifugal air compressor |
| 01/09/2002 | EP1170508A1 Molecular drag vacuum pumps |
| 01/09/2002 | CN1077659C Centrifugal compressor with recirculating diffuser |
| 01/08/2002 | US6336244 Electric blower and electric cleaning device using the same |
| 01/02/2002 | EP1167773A2 Turbo-molecular pump |
| 01/02/2002 | CN1329699A Impeller to shaft coupling |
| 01/02/2002 | CN1077247C Circular case of multi-blade fan |