Patents for F04D 29 - Details, component parts, or accessories (70,655)
03/1990
03/08/1990DE3828852A1 Ventilating device
03/07/1990CN2054102U Helmeted outlet gate
03/07/1990CN2054101U Different thick twisted blade of axial flow fan
03/07/1990CN2054100U Involute impeller for rotary fluid machines
03/07/1990CN2054095U Fully closed corrsion-proof centrifugal pump
03/07/1990CN2054094U Multi-stage high-lift centrifugal pump impeller
03/07/1990CN2054093U Centrifugal pump with balanced inlet pressure for chemical industry
03/07/1990CN1040254A Divergent-centrifugal impeller and its rotating mechanism
03/07/1990CN1040252A 改进的离心泵 Improved centrifugal
03/07/1990CN1007077B Vertical sealing device of double row seals
03/06/1990US4906164 Hand-portable fire fighting, positive pressure blower
03/06/1990US4905789 Muffler for blower of air ductwork supply line
02/1990
02/28/1990EP0356314A2 A multi-blade impeller for a cross-flow fan
02/28/1990EP0355980A1 Pump sealing apparatus
02/28/1990EP0355796A2 Centrifugal pump having magnetic bearing
02/28/1990EP0355781A2 Submersible motor pump
02/28/1990EP0355616A2 Shaft with a central bore
02/28/1990CN2053688U Centrifugal ventilator
02/28/1990CN2053686U High efficiency multipassage non-blocking pump
02/28/1990CN1040078A 压缩机隔板组件 Compressor diaphragm assembly
02/28/1990CN1040073A Submersible pump
02/27/1990US4904891 Ventilated electric motor assembly
02/27/1990US4904166 Vertical axis motor-pump assembly for clothes washing machine
02/27/1990US4904159 Pump impeller
02/27/1990US4904155 Vacuum pump
02/22/1990DE3834990C1 Seal arrangement for turbo-machines with over-mounted rotor
02/22/1990DE3828351A1 Drive device for pumps or the like
02/22/1990DE3827680A1 Device for fixing a guiding grate, made of titanium, of an axial-flow compressor to a compressor housing made of a fibre-reinforced plastic
02/21/1990CN2053273U Unidirectional blade of directional blowdown for undirectional turning motor
02/21/1990CN2053272U Shield for ceiling fan
02/21/1990CN1039882A Dish type molecular pump statical and moving plates matching way and equipment
02/21/1990CN1006928B Electric fan
02/20/1990US4902204 Vertical submersible pump assembly
02/20/1990US4902203 Housing for dual outlet, dual rotor blower
02/20/1990US4902197 Seal arrangement for a centrifugal type of pump
02/20/1990US4902196 Gas-moving device
02/20/1990US4901920 Snow making apparatus and methods
02/15/1990DE3827128A1 Radial pump and textiles wet-treatment apparatus with radial pump
02/15/1990DE3824623A1 Guide apparatus
02/14/1990EP0354869A1 Device for axially attaching a machine part to a shaft or axle, and use of the device
02/14/1990EP0354470A2 Reactor coolant pump having double dam seal with self-contained injection pump mechanism
02/14/1990CN2052833U Vortex centrafugal propeller
02/13/1990US4900335 Centrifugal pump wheel and method of pumping gas containing liquid by means of a centrifugal pump
02/13/1990US4900236 Ceiling fan
02/13/1990US4900229 Axial flow ring fan
02/13/1990US4900228 Centrifugal fan with variably cambered blades
02/13/1990US4900225 Centrifugal compressor having hybrid diffuser and excess area diffusing volute
02/13/1990US4900224 Centrifugal pump structure
02/13/1990US4900222 Rotary pump inlet velocity profile control device
02/13/1990US4900221 Jet engine fan and compressor bearing support
02/13/1990US4899850 Lubricating device for a turbomachine
02/08/1990WO1990001119A1 Radial fan
02/08/1990WO1990001118A1 Dynamic seal arrangement for impeller pump
02/08/1990DE3722839A1 Ideal streamlined body
02/07/1990EP0354156A2 Ventilated electric motor assembly
02/07/1990EP0353744A2 Air cooler
02/07/1990EP0353611A2 Centrifugal pump of the ceramic construction type
02/07/1990EP0353498A2 Compressor diaphragm assembly
02/07/1990CN2052455U Hoisting rack for submersible pump in deep motor-pumped well
02/06/1990US4898518 Shaft driven disposable centrifugal pump
02/06/1990US4898516 Protective fan shield
02/06/1990US4898513 Circulating water system and sump pump strainer apparatus
02/01/1990DE3825799A1 Centrifugal pump
01/1990
01/31/1990EP0352743A1 Brake mechanism for vehicles
01/31/1990EP0352688A1 Vacuum pump
01/31/1990EP0352509A1 Reactor coolant pump auxiliary seal for reactor coolant system vacuum degasification
01/31/1990CN2052080U Mounting machinery for ceiling fan
01/31/1990CN2052079U Sealing and bearing lubrication device for secondary booster pump
01/31/1990CN2052068U Leak-proof corrosion-resisting centrifugal pump
01/30/1990US4897023 Liquid pump assembly
01/24/1990EP0352113A2 Forced-ventilation filtration device
01/24/1990EP0351488A2 Canned pump having a high inertia flywheel
01/24/1990EP0188567B1 Centrifugal blood pump with tapered shaft seal
01/24/1990CN2051686U High efficiency, low pressure axial flow ventilator
01/24/1990CN2051684U Backward bending type high pressure centrifugal ventilator
01/24/1990CN1039087A Device for extending performance of radial compressor
01/23/1990US4895493 Rotary pump
01/23/1990US4895491 Fan blade protection system
01/23/1990US4895489 Axial flow fan
01/23/1990US4895220 Method for monitoring oil flow in an oil-lubricated vacuum pump
01/18/1990DE3823726A1 Improvements in the design of fuel feed pumps
01/18/1990DE3823514A1 Side-channel machine
01/18/1990DE3823447A1 Blower operated by an electric motor
01/17/1990EP0350750A1 Temperature activated cooling fan assembly
01/17/1990CN2051303U Abrasion-free axial-flow sealing device
01/17/1990CN2051297U Flexible-blade compressor for refrigeration
01/16/1990US4893995 Electric motor-driven impeller-type air pump
01/16/1990US4893990 Mixed flow impeller
01/16/1990US4893986 High-pressure high-temperature coal slurry centrifugal pump and let-down turbine
01/16/1990US4893780 Gas blower support device for laser generators
01/11/1990WO1990000229A1 Improved mixed-type compressor and applications
01/11/1990DE3920941A1 Centrifugal pump, especially a coolant pump for an internal combustion engine
01/11/1990DE3823214A1 Centrifugal pump
01/11/1990DE3823167A1 Underwater pump arrangement
01/11/1990DE3822897A1 Recirculating (circulating, return) pump
01/10/1990EP0350427A2 Variable flow radial compressor inlet flow fences
01/10/1990EP0350408A2 Suction device for kitchen extractor, air cleaner and extractor containing such a device
01/10/1990EP0349702A2 Belt-driven cooling-water pump
01/10/1990CN2050893U Centrifugal ventilator
01/10/1990CN2050889U Magnetic-sealing drying type electric submersible pump