| 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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| 03/14/2001 | EP1083499A2 Method for thermal fluid analysis and thermal stress analysis of fluid machine |
| 03/14/2001 | CN1063256C 叶轮 Impeller |
| 03/08/2001 | WO2001016491A1 Centrifugal pump |
| 03/08/2001 | DE19942410A1 Vakuumpumpe Vacuum pump |
| 03/07/2001 | EP1081387A2 Vacuum pump |
| 03/06/2001 | US6196809 Two-stage centrifugal compressor |
| 02/28/2001 | EP1079114A1 Electric blower and vacuum cleaner using it |
| 02/28/2001 | EP1078166A1 Friction vacuum pump with a stator and a rotor |
| 02/28/2001 | EP0789976A4 Improved air control system for an air bed |
| 02/27/2001 | US6193473 Direct drive compressor assembly with switched reluctance motor drive |
| 02/22/2001 | WO2001013497A1 Assembly of rotatable members |
| 02/13/2001 | US6186749 Molecular drag pump |
| 02/13/2001 | US6185954 Tangential fan scroll and discharged diffuser design |
| 02/08/2001 | DE19938024C1 Radial turbine/fan has structured channels for compression or relaxation gas flows giving an increased power rating |
| 02/07/2001 | EP1075074A2 Gas transfer machine |
| 02/07/2001 | EP1074746A2 Turbo compressor |
| 02/07/2001 | EP1073846A1 Small turbo compressor |
| 02/07/2001 | CN2418281Y Boosted centrifugal air-blower for transfering hot coal-gas |
| 02/07/2001 | CN2418280Y Boosted centrifugal air-blower for transfering coal gas |
| 02/06/2001 | US6183641 Prandtl layer turbine |
| 01/31/2001 | CN1061417C Electric fan capable of generating natural wind |
| 01/31/2001 | CN1061416C Electric fon capable of generating natural wind |
| 01/30/2001 | US6179708 Air-conditioning equipment for vehicles |
| 01/30/2001 | US6178764 Air conditioning system |
| 01/24/2001 | CN1281535A Motor-driven centrifugal air compressor with internal cooling airflow |
| 01/24/2001 | CN1281101A Turbo-compressor device |
| 01/24/2001 | CN1281100A Turbo-compressor device |
| 01/24/2001 | CN1281099A Turbo-compressor |
| 01/24/2001 | CN1061133C 贯流式通风机 Tubular fan |
| 01/24/2001 | CN1061131C Device for pumping high-vacuum degree |
| 01/17/2001 | EP1069313A2 Turbo compressor |
| 01/16/2001 | US6174131 Feeding hydrogen sulfide to first impeller, rotating impeller for initially compressing hydrogen sulfide, feeding hydrogen sulfide from first impeller to second impeller, rotating second impeller for further compressing the hydrogen sulfide |
| 01/16/2001 | US6174127 Prandtl layer turbine |
| 01/11/2001 | WO2001002701A1 Rotary ram fluid pressurizing machine |
| 01/11/2001 | DE19930952A1 Vakuumpumpe Vacuum pump |
| 01/10/2001 | EP1067290A2 Vacuum pump |
| 01/10/2001 | CN1279359A Boosting centrifugal blower for delivering hot gas and its sealing method |
| 12/19/2000 | US6162015 Centrifugal type fluid machine |
| 12/05/2000 | US6155802 Turbo compressor |
| 11/29/2000 | CN2408278Y Centrifugal fan |
| 11/21/2000 | US6149381 Cross flow fan for air conditioner |
| 11/21/2000 | CA2032417C Scroll compressor with discharge valves |
| 11/08/2000 | CN2405047Y Tubular air fan for air conditioner |
| 11/08/2000 | CN1272905A A fluid machinery, a flange for fluid machining and method for manufacturing them |
| 11/08/2000 | CN1272598A Inclined flow blower |
| 11/08/2000 | CN1058331C Impeller of air blast gin with poising weight |
| 11/07/2000 | US6142743 Wet gas compression device and method with evaporation of the liquid |
| 11/02/2000 | EP1048258A2 Electric blower and vacuum cleaner using the same |
| 10/25/2000 | CN2402847Y Cross flow fan for air conditioner |
| 10/25/2000 | CN1271061A Motor wind blower and motor dust cleaner thereof |
| 10/24/2000 | US6135718 Interface apparatus for fan monitoring and control |
| 10/24/2000 | US6135708 Prandtl layer turbine |
| 10/18/2000 | CN1057596C Air conditioner and through-flow incorporated therein |
| 10/17/2000 | US6132193 Displacement machine for compressible media |
| 10/17/2000 | US6132182 Integrated motor and blower apparatus |
| 10/12/2000 | WO2000035560A3 Gas separation with split stream centrifugal turbomachinery |
| 10/10/2000 | US6129524 Motor-driven centrifugal air compressor with axial airflow |
| 10/04/2000 | EP1041289A2 Direct drive compressor assembly |
| 10/04/2000 | EP1040277A1 Radiator cooling fan |
| 10/03/2000 | US6126391 Fluid flow machine |
| 09/28/2000 | WO2000043640A3 Casing design for rotating machinery and method for manufacture thereof |
| 09/26/2000 | US6122799 Vacuum cleaner with three stage air induction system |
| 09/21/2000 | WO2000055506A1 Two-stage centrifugal compressor |
| 09/20/2000 | EP1036278A1 Method for generating over-pressure gas |
| 09/20/2000 | EP1036275A1 Motor-driven centrifugal air compressor with internal cooling airflow |
| 09/19/2000 | US6120253 Centrifuge gas and liquid piston compressor |
| 09/13/2000 | CN1266149A super critical vacuum pump |
| 09/06/2000 | CN2395068Y Transfering lateral flow ventilation impeller |
| 08/31/2000 | DE19908308A1 Kompressoren Compressors |
| 08/30/2000 | EP1031727A2 Air cooling system for a piston compressor |
| 08/29/2000 | US6109865 Portable air-blowing working machine |
| 08/24/2000 | WO2000049296A1 Centrifugal compressor aggregate and electric motor |
| 08/16/2000 | CN2392008Y Centrifugal type ventilation air fan |
| 08/15/2000 | US6102672 Motor-driven centrifugal air compressor with internal cooling airflow |
| 08/09/2000 | CN1055352C DC brushless fan |
| 07/27/2000 | WO2000043640A2 Casing design for rotating machinery and method for manufacture thereof |
| 07/27/2000 | WO2000043053A1 Blood pump using cross-flow principles |
| 07/27/2000 | CA2359934A1 Blood pump using cross-flow principles |
| 07/20/2000 | WO2000042292A1 Separation apparatus comprising a friction machine |
| 07/20/2000 | WO2000042291A1 Friction turbine |
| 07/19/2000 | EP1020644A1 A fluid machinery, a flange for fluid machinery, and a method for manufacturing them |
| 07/12/2000 | EP1017944A1 Compound pump |
| 07/11/2000 | US6086324 Cross flow fan |
| 07/08/2000 | CA2258428A1 Prandtl layer turbine |
| 07/08/2000 | CA2258426A1 Prandtl layer turbine |
| 07/08/2000 | CA2258423A1 Prandtl layer turbine |
| 07/08/2000 | CA2258419A1 Prandtl layer turbine |
| 07/08/2000 | CA2258416A1 Vacuum cleaner |
| 07/08/2000 | CA2258392A1 Prandtl layer turbine |
| 07/05/2000 | EP1015772A1 Tangential fan cutoff |
| 07/05/2000 | EP1015056A1 Medical ventilator |
| 07/04/2000 | US6082969 Quiet compact radiator cooling fan |
| 06/29/2000 | DE19946187A1 Motor-driven blower with impeller to eject flowing medium has fluid transfer section with cooperating surfaces on housing and impeller to move a fluid radially outward |
| 06/22/2000 | WO2000035560A2 Gas separation with split stream centrifugal turbomachinery |
| 06/22/2000 | CA2354400A1 Gas separation with split stream centrifugal turbomachinery |
| 06/21/2000 | CN2384007Y Vehicle vacuum night soil sucking device with relief valve |
| 06/20/2000 | US6077033 Portable air-blowing working machine |
| 06/14/2000 | EP1008760A1 Transverse fan drive shaft coupling structure |
| 06/14/2000 | EP1008758A2 Fluid compressors |
| 06/14/2000 | CN2382866Y Soft axle centrafugal fan |