Patents
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)
03/2003
03/12/2003EP1290347A1 In-line centrifugal fan
03/12/2003CN1401915A Turbofan and mold thereof
03/05/2003EP1040277B1 Radiator cooling fan
03/05/2003CN1102704C Method for generating over-pressure gas
02/2003
02/27/2003US20030039548 Turbofan and mold thereof
02/26/2003CN1102206C Method and apparatus for minimising noise from fan filter unit
02/25/2003US6524060 Gas friction pump
02/20/2003DE20218091U1 Transverse flow ventilator assembly comprises housing, fan and flow restriction plate between two ports
02/19/2003CN2536821Y Adjustable guide blade and diffuser linkage device for inlet of centrifugal refrigerating compressor
02/13/2003US20030029321 Fume extraction apparatus and assembly
02/04/2003US6514052 Two sided radial fan for motor cooling
01/2003
01/29/2003CN1100211C Boosting centrifugal blower for delivering hot gas and its sealing method
01/28/2003US6511291 Blower assembly with multi segmented support arrangement for split air conditioner
01/28/2003US6511289 Side exhaust fan structure
01/22/2003EP1276994A1 Blower especially for ventilating electronic devices
01/22/2003EP0848788B1 A radial fan wheel
01/22/2003CN1392940A 空调器 Air Conditioner
01/22/2003CN1099530C Air-cave generating pump and method for producing rotary air-cave fluid
01/21/2003US6508631 Radial flow turbomolecular vacuum pump
01/15/2003CN2531142Y Two-way air-discharging air-conditioner cross flow fan
01/15/2003CN1098977C Turbo compressor
01/15/2003CN1098976C Turbo-compressor
01/14/2003US6506018 Casing design for rotating machinery and method for manufacture thereof
01/14/2003US6506017 Casing for centrifugal compressors and method for the manufacture thereof
01/14/2003CA2227575C Fluid impeller
01/02/2003US20030002986 Blower impeller and method of lofting their blade shapes
01/02/2003US20030002977 Balancing piston for centrifugal compressors with a seal with small cells which have divergent play
01/02/2003US20030002976 Viscous drag impeller components incorporated into pumps, turbines and transmissions
01/02/2003US20030000684 Heat dissipation device with high efficiency
01/02/2003EP1270950A2 Balancing piston for centrifugal compressors
01/01/2003CN1388321A Impeller for multi-stage contrifugal compressor and its producing method
01/01/2003CN1097682C Variable pipe diffuser for centrifugal compressor
12/2002
12/31/2002US6499955 Centrifugal compressor structure with impellers
12/31/2002US6499953 Dual flow impeller
12/26/2002US20020195886 Micromachines
12/25/2002CN2527750Y Frontback rotary blowing transverse-flow fan
12/25/2002CN1387412A Fume extraction apparatus and assembly
12/25/2002CN1097175C Through-flow fan
12/24/2002US6497201 Assembly of rotatable members
12/19/2002US20020192089 Multi-stage centrifugal compressor driven by integral high speed motor
12/18/2002CN1385618A Horizontal flow fan and air conditioner using same
12/18/2002CN1096574C 电动鼓风机 Electric blower
12/12/2002WO2002099286A1 Compressor unit comprising a centrifugal compressor and an electric motor
12/05/2002US20020183000 Fan unit
12/05/2002US20020182063 Centrifugal blower with external overdrive
12/05/2002US20020180285 Fan assembly for a computer
12/04/2002CN1383477A Turbo comprssor and refringerator with compressor
12/04/2002CN1382914A Dual-flow ventilator
12/04/2002CN1095524C Cross flow type blower
12/03/2002US6488469 Mixed flow and centrifugal compressor for gas turbine engine
11/2002
11/28/2002WO2002095298A1 Air evacuating ventilator
11/27/2002CN1094746C Hot-air hair drier
11/21/2002WO2002093703A1 Improved fan for gas discharge laser
11/21/2002US20020172588 Air conditioner
11/19/2002US6483264 Air control system for an air bed
10/2002
10/31/2002WO2002086324A2 Multi-stage centrifugal compressor
10/31/2002US20020159885 Heat dissipating fan
10/30/2002EP1252445A1 Friction vacuum pump
10/30/2002CN1376879A Indoor unit of air conditioner and air conditioner therewith
10/29/2002US6471493 Assembly structure for a turbo compressor
10/24/2002US20020154994 Side exhaust fan structure
10/23/2002EP1251281A1 Tangential ventilating device
10/22/2002US6468030 Turbo-molecular pump
10/17/2002US20020150478 Vehicle blower unit
10/17/2002DE10215781A1 Fahrzeug-Gebläseeinheit Vehicle blower unit
10/16/2002CN1092766C Fan
10/16/2002CN1092765C Transverse fan with flow stabilizer
10/15/2002US6464469 Cooling system for electromagnetic bearings of a turbocompressor
10/15/2002US6464451 Vacuum pump
10/09/2002EP1247024A1 A method of improving the performance of heat-pump installations for making ice
10/03/2002US20020141888 Two sided radial fan for motor cooling
10/02/2002EP1245907A2 Interior unit for air conditioner, and air conditioner comprising the same
10/02/2002CN2514145Y Two-stage water-sealed vacuum pump
10/01/2002US6457954 Frictional vacuum pump with chassis, rotor, housing and device fitted with such a frictional vacuum pump
09/2002
09/26/2002WO2002004871A3 A ventilating device
09/26/2002US20020136643 Gas friction pump
09/26/2002US20020136634 Compact centrifugal blower with annular stator
09/26/2002DE10114585A1 Vakuumpumpe Vacuum pump
09/25/2002EP1243796A2 Vacuum pump
09/25/2002EP1242719A1 Viscous drag impeller components incorporated into pumps, turbines and transmissions
09/25/2002CN2512926Y Electric air inflation and reducing pump
09/25/2002CN1370934A Multiple-winged vane wheel and its manufacture
09/24/2002CA2134703C Multiple stage centrifugal compressor
09/17/2002US6450780 Method for generating over-pressure gas
09/17/2002US6450772 Compact molecular drag vacuum pump
09/12/2002WO2002070139A2 Compact centrifugal blower with annular stator
09/12/2002DE10108631A1 Vacuum pump plant has fore-pump as liquid ring pump to create intermediate vacuum in range of rough, low vacuum, and side channel pump to create final vacuum
09/11/2002EP1036278B1 Method for generating over-pressure gas
09/11/2002CN1090740C Air conditioning device
09/10/2002US6447241 Method and apparatus for expanding operating range of centrifugal compressor
09/06/2002WO2002068879A1 Fan unit
09/06/2002WO2002068826A2 Fluid flow controller
09/05/2002US20020122729 Vacuum pump
09/04/2002EP1236908A2 Motorised fan for suction hoods
09/04/2002EP1119710B1 Friction vacuum pump
09/03/2002US6444004 Air purification filter; multiple guides and baffles some of which are perforated to improve sound absorption; reduced air turbulence; improved airflow and noise reduction; free of insulation material
08/2002
08/29/2002US20020119747 Fan unit
08/29/2002US20020119038 Fluid flow controller
08/28/2002EP1234115A1 Radial flow turbomolecular vacuum pump
08/28/2002CN1366144A 涡轮压缩机 Turbo Compressor
1 ... 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 ... 44