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