Patents for F04D 29 - Details, component parts, or accessories (70,655) |
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01/10/1990 | CN1038686A Rotary machine with non positive displacement usable as pump, compressor, impeller, generater or turbine |
01/09/1990 | USRE33142 Centrifugal compressor |
01/09/1990 | US4892460 Propeller breeze enhancing blades for conventional ceiling fans |
01/09/1990 | US4891876 Method of making pump impeller by lost-foam molding |
01/09/1990 | CA1264251A1 Low flow pump |
01/04/1990 | DE3919111A1 Fan impeller |
01/03/1990 | EP0349051A1 Mixed flow compressor and its uses |
01/03/1990 | EP0348931A1 Turbomolecular pump |
01/03/1990 | EP0348846A2 Balanced-fan rotor and method and apparatus for realising the balancing |
01/03/1990 | EP0348674A1 Device for extending the surge margin of a radial compressor |
01/03/1990 | CN2050494U Domestic electric fan dust absorption cover |
01/03/1990 | CN2050493U Automatic barring device of high temp. fan |
01/03/1990 | CN1006321B Balance unit for pump axial force |
01/02/1990 | US4891169 Transition duct for centrifugal fan |
01/02/1990 | US4890988 Canned motor pump |
01/02/1990 | US4890982 Pump impeller and rotor shaft attachment construction |
01/02/1990 | US4890980 Centrifugal pump |
01/02/1990 | US4890977 Variable inlet guide vane mechanism |
01/02/1990 | US4890547 Ventilator scroll arrangement |
12/28/1989 | WO1989012920A1 Laser oscillator |
12/28/1989 | WO1989012755A1 Turbine |
12/28/1989 | WO1989012753A1 Multi-stage turbo-compressor |
12/27/1989 | EP0348342A1 Centrifugal machine with opposing rotation impellers |
12/27/1989 | EP0347542A2 Pump unit for liquid-pumps |
12/27/1989 | CN1038337A Vanes for centrifugal air pump with alterable let-in and let-out |
12/26/1989 | US4889470 Compressor diaphragm assembly |
12/26/1989 | US4889468 Submerged type pump |
12/26/1989 | US4889348 Spiral groove seal system for high vapor-pressure liquids |
12/20/1989 | EP0347088A2 Method and apparatus for pumping high consistency medium |
12/20/1989 | EP0347036A2 Shrouding for engine cooling fan |
12/20/1989 | EP0346731A2 Submersible pump |
12/20/1989 | EP0346730A2 Submersible pump assembly |
12/20/1989 | EP0346677A1 Liquid-displacement machine |
12/20/1989 | CN2049704U Screen type rectangular muffler |
12/20/1989 | CN2049703U Air blowing wheel of domestic duster |
12/20/1989 | CN2049699U Multi-stage centrifugal postposition pump capable of bearing axial impact force |
12/20/1989 | CN1038148A Wide lip-shaped fluoroplastic water sealing member |
12/19/1989 | US4887940 Multistage fluid machine |
12/14/1989 | WO1989012174A1 Guide vane for an axial fan |
12/14/1989 | WO1989012173A1 Fan and heat exchanger for a cooling system |
12/14/1989 | WO1989012172A1 Impeller for an axial flow fan |
12/14/1989 | WO1989012171A1 Centrifugal compressor with a container for sealing oil |
12/14/1989 | DE3918333A1 Verbesserungen bei den in elektrischen haushaltsgeraeten verwendeten elektropumpen Improvements in electric pumps used in household electrical appliances |
12/13/1989 | EP0345634A2 Variable output vortex pump |
12/13/1989 | EP0345258A1 Centrifugal pump |
12/13/1989 | CN2049290U Sealing ring for sewage pump |
12/12/1989 | US4886989 Motor mounting method and means |
12/12/1989 | US4886530 Single stage pump and separator for two phase gas and liquid mixtures |
12/12/1989 | US4886430 Canned pump having a high inertia flywheel |
12/12/1989 | US4886426 Submergible pump connecting ejector adapter and guide rail assembly |
12/12/1989 | US4886417 Fuel pump and radial-flow impeller therefor |
12/12/1989 | US4886415 Fan with an essentially square housing |
12/12/1989 | US4885984 Radon removal apparatus |
12/07/1989 | DE3817839A1 Device for imparting a swirl effect to the inflow regions of fluid flow machines |
12/07/1989 | DE3817725A1 Pump with at least one sealing device which is arranged in a corresponding reception bore in the pump case |
12/06/1989 | EP0345214A1 Bearing comprising a shaft, pump comprising such a bearing and use of the pump |
12/06/1989 | EP0345080A2 Molded multi-part generator fan |
12/06/1989 | EP0344587A2 In line-type casing |
12/06/1989 | EP0344532A2 Sealing device of the bearing of a rotating shaft with its drive unit |
12/06/1989 | EP0344517A1 Side channel compressor |
12/06/1989 | EP0344516A1 Multi-stage side channel compressor |
12/06/1989 | EP0344503A2 Magnetic bearing for a fast rotating vacuum pump |
12/06/1989 | EP0344498A2 Blower rotor |
12/06/1989 | EP0344344A1 Method for controlling an oil lubricated vacuum pump |
12/06/1989 | EP0344327A1 Resin-coated carbon fibers, heat-resistant resin composition using same, and parts for internal combustion engines |
12/06/1989 | CN2048907U Vertical centrifuge sand pump without shaft gland |
12/05/1989 | US4884948 Deflectable blade assembly for a prop-jet engine and associated method |
12/05/1989 | US4884945 Dynamic seal arrangement for impeller pump |
12/05/1989 | US4884944 Compressor flow fence |
12/05/1989 | US4884942 Thrust monitoring and balancing apparatus |
11/30/1989 | WO1989011596A1 Radial ventilator |
11/29/1989 | EP0343888A2 Method and apparatus for producing fluid pressure and controlling boundary layer |
11/29/1989 | EP0343409A2 Reactor coolant pump shaft seal utilizing shape memory metal |
11/29/1989 | CN2048532U Fan cover |
11/29/1989 | CN1005940B Nuclear reactor coolant pump impeller / shaft assembly |
11/28/1989 | US4883982 Electronically commutated motor, blower integral therewith, and stationary and rotatable assemblies therefor |
11/28/1989 | US4883408 Motor fan retention on a non-stepped shaft |
11/28/1989 | US4883403 Impellers for centrifugal pumps |
11/28/1989 | US4883202 Liquid pumping system |
11/28/1989 | CA1263420A1 Internal compliant seal for compressor |
11/23/1989 | EP0342515A2 Turbomolecular pump |
11/23/1989 | EP0342484A2 Very noiseless motor driven centrifugal fan |
11/23/1989 | DE3816674A1 Method of manufacturing a centrifugal pump impeller |
11/23/1989 | DE3816280A1 Housing part for centrifugal pumps |
11/23/1989 | DE3816148A1 Cooling fan |
11/22/1989 | CN2048139U Antifreezing device with self-warm for submersible pumps in frigid zone |
11/22/1989 | CN2048138U Miniature water pump with changeable axis |
11/22/1989 | CN2048137U Adjustable emit frangrance appliance for electric fan |
11/22/1989 | CN2048134U Cold-air electric fan |
11/22/1989 | CN2048125U Electricfan of sandwich material |
11/22/1989 | CN2048123U Submerible pump of washing equipment for car |
11/21/1989 | US4881871 Peripheral pump |
11/21/1989 | US4881870 Air blower safety control |
11/16/1989 | WO1989011039A1 Submersible motor-driven pump |
11/15/1989 | EP0341553A1 Centrifugal pump |
11/15/1989 | EP0341368A1 Submersible motor pump |
11/14/1989 | US4880362 Rotor with stabilizing magnets |
11/14/1989 | US4880352 Centrifugal liquid pump |
11/14/1989 | US4879880 Air temperature regulator |
11/09/1989 | DE3814186A1 Method for the production of delivery and/or guiding devices for hydrodynamic machines and a radial rotor, especially a coolant pump impeller for internal combustion engines, produced by this method |