Patents for F04D 29 - Details, component parts, or accessories (70,655)
07/1990
07/19/1990DE3901138A1 Circulation unit (circulating unit), in particular for photo-chemical developing devices
07/18/1990EP0378251A2 Magnetically suspended and rotated impellor pump apparatus
07/18/1990EP0377847A1 High-pressure fan
07/18/1990EP0377748A1 Laser oscillator
07/18/1990EP0377702A1 Fan and heat exchanger for a cooling system
07/17/1990US4941805 Device for centering a drive shart on a hub
07/17/1990US4941801 Double water pump device
07/12/1990WO1990007650A1 Centrifugal pump impeller with low specific speed
07/12/1990DE3941691A1 Fan driven by electric motor with external rotor - has fan blades individually fastened to hum of motor rotor
07/12/1990DE3844189A1 Adjustable radial diffuser for a compressor
07/11/1990EP0377493A2 Reactor coolant pump auxiliary flexible vacuum seal for reactor coolant system vacuum degasification
07/11/1990CN1008762B Joint process of powder alloy swing gear and steel shaft as well as die thereof
07/11/1990CN1008761B Working wheel of radial outflow compressor
07/10/1990US4940389 Assembly of rotor blades in a rotor disc for a compressor or a turbine
07/10/1990US4940386 Multiple flow turbojet engine with an outer ring of the fan outlet shrunk onto the case
07/10/1990US4940385 Rotary disc pump
07/10/1990US4940384 Molten metal pump with filter
07/10/1990US4940341 Oil-metering cover for shaft bearings
07/06/1990CA2007290A1 Reactor coolant pump auxiliary flexible vacuum seal for reactor coolant system vacuum degasification
07/06/1990CA2006052A1 Underwater station for pumping a well flow
07/05/1990DE3939336A1 Water supply pump with bladed impeller - has inlet opening of greater dia. than that of outlet edge and inlet guide receiving impeller
07/05/1990DE3932129A1 Pumping chamber arrangement
07/04/1990EP0376225A2 Polymeric casing for fluid machines and pumps
07/04/1990EP0216808B1 Collector for liquids, with emptying system
07/04/1990CN2058942U Low-noise impeller for centrifuge fan
07/03/1990US4938664 Oil reclaim system
07/03/1990US4938662 Mechanical pump equipment
07/03/1990US4938661 Multistage centrifugal compressor
07/03/1990US4938659 Fuel pump
07/03/1990CA1271086A1 Centrifugal pump
06/1990
06/28/1990WO1990007062A1 Turbo-blower for laser and laser oscillator using the same
06/28/1990DE3843463A1 Blower for the conveyance of gases
06/28/1990DE3843288A1 Slide-ring seal
06/27/1990EP0375593A1 Adjustable spacer
06/27/1990EP0375198A2 Supersonic centrifugal compressor
06/27/1990EP0374713A2 Shaft seal for turbo machines
06/27/1990EP0374608A2 Rotary pump inlet velocity profile control device
06/27/1990CN1043371A Lining cast process for large dredge pump
06/27/1990CN1008549B Sealing device for rotary machine
06/26/1990US4936759 Blood reservoir/pump
06/26/1990US4936751 Universal fan blade mount
06/26/1990US4936744 Centrifugal pump
06/26/1990US4936742 Water pump apparatus having lubricating oil circulation and axial thrust support
06/26/1990US4936288 Exhaust device for kitchen hood, air purifier and the like, and hood comprising such a device
06/26/1990US4936109 System and method for reducing gas compressor energy requirements
06/21/1990DE3937642A1 Ventilation device for height adjustable vehicle sunroof - uses motorised extraction fan supported for rotation in plane parallel to surface of sunroof
06/21/1990DE3842826A1 Centrifugal pump having a double-flow suction stage
06/21/1990CA2004676A1 Turbo blower for laser and laser oscillating apparatus employing same
06/20/1990EP0374004A1 Bleed valve of a turbine engine compressor
06/20/1990EP0373817A1 Gas compressor having a dry gas seal on an overhung impeller shaft
06/20/1990EP0373322A1 Knocked-down fan for engine cooling and other applications
06/19/1990US4934904 Axial fan
06/13/1990EP0372718A1 Air pump
06/13/1990EP0372701A1 Improvements in road sweeping vehicles
06/13/1990EP0372104A1 Side channel compressor
06/13/1990CA2000293A1 Knocked-down fan for engine cooling and other applications
06/12/1990US4932846 Resilient shaft mounting for pump
06/12/1990US4932837 Centrifugal pump for liquids
06/12/1990US4932836 Pump with heat exchanger
06/12/1990US4932835 Variable vane height diffuser
06/12/1990US4932834 Ring channel blower
06/12/1990US4932833 For combustion air conveyance in heaters
06/12/1990US4932206 Guide vane assembly for auxiliary power unit
06/12/1990CA1270148A1 Vane core assembly for use in making centrifugal elastomer-coated impellers
06/06/1990CN1042759A Transition duct for centrifugal fan
06/06/1990CN1042758A Centrifugal compressor with horizontal dismountable plane
06/06/1990CN1008293B Slow speed pump case
06/05/1990US4930996 Immersion pump assembly
06/05/1990US4930990 Quiet clutch fan blade
06/05/1990US4930989 Fixed-angle keying piece for blades of axial fans
06/05/1990US4930984 Impeller
06/05/1990US4930982 Suction inlet bowl for a submersible pump
06/05/1990US4930981 Fluidized particulates blower
06/05/1990US4930978 Compressor stage with multiple vented inducer shroud
05/1990
05/31/1990DE3840296A1 Fuel conveyor unit
05/31/1990DE3840273A1 Bearing plate for the drive motor of a conveyor pump
05/31/1990DE3839752A1 Starting coupling (clutch) for a single-phase synchronous motor
05/30/1990CN1042591A Open-web blower blades made of glass fibre reinforced plastics
05/30/1990CN1042590A Radial-flow fan
05/30/1990CN1042588A Water turbine
05/29/1990US4929151 Vacuum pump
05/29/1990US4929150 Fluid transport system
05/29/1990US4929149 Gas blower
05/23/1990EP0369926A1 Axial compressor blade assembly
05/23/1990EP0369783A2 Transition duct for centrifugal fan
05/23/1990EP0369268A2 Impeller for turbo machines
05/23/1990EP0369144A2 Centrifugal pump for pumping molten masses, especially molten explosives
05/23/1990DE3838902A1 Shaft sealing ring
05/23/1990CN2057478U Throat sheet capable of regulating height and open degree for centrifugal fan
05/23/1990CN2057477U Double-ring rubber water-tight seal device at ring of centrifugal pumping hole
05/22/1990US4927407 Cardiac assist pump with steady rate supply of fluid lubricant
05/22/1990US4927337 Magnetically driven pump
05/22/1990US4927328 Shroud assembly for axial flow fans
05/22/1990US4927327 Contactless centrifugal seal device for a rotating machine part
05/22/1990US4927326 Turbomachinery rotor support with damping
05/22/1990US4927324 Ducted fan
05/22/1990US4927120 Portable electrical fan
05/22/1990US4926970 Lube oil system for rotating machinery
05/17/1990WO1990005244A1 Horizontal removable pump for filtration systems
05/17/1990WO1990005238A1 Method and diffuser device for widening a flow