Patents for F04D 29 - Details, component parts, or accessories (70,655)
09/1989
09/13/1989EP0332461A1 Thrust balancing of a rotor
09/13/1989EP0332078A1 Regenerative blower
09/13/1989EP0331902A2 Diffuser for a centrifugal compressor
09/13/1989CN2044294U Wing tube propeller for low ratio gas engine
09/13/1989CN1035550A Centrifugal pump bearing arrangement
09/12/1989US4865529 Rotor transient positioning assembly
09/12/1989US4865526 Pumping system
09/12/1989US4865519 Oil submersible pump
09/12/1989US4865517 Blower with clam shell housing
09/12/1989US4865333 Seal protection apparatus
09/08/1989WO1989008195A1 Piping connection part of pump
09/08/1989WO1989008194A1 Centrifugal pump housing
09/08/1989WO1989008193A1 Shaft
09/08/1989WO1989008191A1 Biaxial contrarotating centrifugal fluid pressure booster
09/07/1989DE3806349A1 Kreiselpumpengehaeuse Kreiselpumpengehaeuse
09/07/1989DE3805899A1 Welle Shaft
09/07/1989DE3805769A1 Tubular rotor
09/06/1989EP0331288A2 Pump impeller
09/06/1989EP0330762A2 Split labyrinth seal
09/06/1989CN2044017U Coat hanger head installed on support of upright electric fan
09/06/1989CN2044016U Impeller of centrifugal blower
09/05/1989US4863353 Attaching arrangement
09/05/1989US4863352 Blade carrying means
09/05/1989US4863349 Impeller of centrifugal compressor
09/05/1989US4863344 Centrifugal pump
09/05/1989US4863177 Split labyrinth seal
08/1989
08/30/1989CN2043682U Electric fan having main blade and side blade
08/30/1989CN1035166A Working wheel of radial outflow compressor
08/30/1989CN1035165A Vertical submersible pump assembly
08/29/1989US4861230 Interlocking fan guard
08/29/1989US4860556 Air cooling and directing apparatus
08/29/1989CA1258791A1 Pump improvement
08/24/1989WO1989007717A1 Axial fan
08/24/1989WO1989007716A1 Radial fan
08/24/1989WO1989007715A1 Centrifugal pump
08/24/1989DE3804217A1 Axialluefter Axial fans
08/24/1989DE3804183A1 Shaft seal for centrifugal pumps
08/24/1989DE3804113A1 Radialluefter Radialluefter
08/23/1989EP0328800A1 Filter assembly
08/23/1989EP0328568A1 Annular elastomeric slurry seal
08/23/1989CN1034983A Any cone otherwise than circular cone bent venes for turbine-type fans
08/22/1989US4859150 Blades for low speed propeller fan
08/22/1989US4859145 Compressor with supercritical diffuser
08/22/1989US4859144 Fan stage configuration
08/22/1989US4859140 Centrifugal fan
08/16/1989EP0328075A2 Submerged motor pump
08/16/1989EP0327844A2 All dry submersible motor pump with a concordant seal system
08/16/1989CN1034795A Face type seal assembly
08/16/1989CN1034792A Full dry submerged pump with synergistic sealing system
08/16/1989CN1034791A Step bearing
08/15/1989US4856971 Evaporative cooler pump apparatus
08/15/1989US4856968 Air circulation device
08/15/1989US4856963 Stator assembly for an axial flow rotary machine
08/10/1989DE3802950A1 Pump having a permanent-magnetic lift-off device
08/10/1989DE3802949A1 Air ventilator with small capacity in water operation
08/10/1989DE3802890A1 Impeller suds pump for washing machines or dishwashers
08/09/1989EP0327507A2 Device for the purification of air
08/08/1989US4854834 Pump with improved seal
08/08/1989US4854830 Motor-driven fuel pump
08/08/1989US4854828 Remotely removable and replaceable motor for hazardous service pump installation
08/08/1989US4854820 Centrifugal pump for handling liquids carrying solid abrasive particles
08/08/1989US4854818 Shrouded inducer pump
08/08/1989US4854373 Heat exchanger for a pump motor
08/08/1989US4854126 Centrifugal compressor diffuser system and method of making same
08/08/1989CA1258165A1 Hair dryer with axial-flow fan
08/03/1989DE3801203A1 Impeller of a centrifugal compressor
08/02/1989EP0325951A1 Device for centering a drive shaft on a hub
08/02/1989EP0325943A1 Quick connection between a shaft and a hub mounted on it
08/02/1989CN1034416A Elastomeric pump casing seal
08/02/1989CN1034412A Regulator for cavitation test of pump
08/01/1989US4852609 Sump pump adaptor
08/01/1989CA1258002A1 Fuel pump
07/1989
07/27/1989WO1989006746A1 Variable diffuser element
07/27/1989WO1989006568A1 Pump for filtration systems
07/26/1989EP0181350B1 Centrifugal slurry low-flow pump casing
07/26/1989EP0030230B2 Turbocharger for use with an internal combustion engine, or turbojet
07/26/1989CN2041737U Single-stage centrifugal pump impeller and front armour plate clearance-adjusting mechanism
07/26/1989CN2041736U Machinery seal screw arbor negative pressure compression engine
07/25/1989US4851017 Radial cooling fan for vacuum cleaner motor
07/25/1989US4850818 Corrosion-resistant magnet pump
07/25/1989US4850804 Portable electric fan having a universally adjustable mounting
07/25/1989US4850802 Composite compressor wheel for turbochargers
07/25/1989US4850799 Rubber flywheel for ceiling fans
07/25/1989US4850796 Centrifugal pump with splitter vane/shut-off valve system
07/25/1989US4850795 Diffuser having ribbed vanes followed by full vanes
07/19/1989CN1034044A Wing-shaped impeller for centrifugal pump with low specific speed
07/19/1989CN1034043A Cylindrical fan with multiple vanes
07/18/1989US4848774 Reactor coolant pump hydrostatic sealing assembly with externally pressurized hydraulic balance chamber
07/13/1989DE3744421A1 New means of fastening individual components of a pump to give a pump unit
07/12/1989CN2040964U Bernoulli sealing device
07/12/1989CN2040960U Upright agricultural pumper
07/12/1989CN1033862A Sealing and bearing-lubricating device for secondary booster pump
07/11/1989US4847041 Reactor coolant pump auxiliary seal for reactor coolant system vacuum degasification
07/11/1989US4846629 Blades for high speed propeller fan
07/11/1989US4846261 Vacuum heat exchange apparatus for ventilation of buildings, in particularly of animal sheds
07/11/1989US4846260 Cooling system
07/11/1989US4846152 Single-stage axial flow blood pump
07/11/1989CA1257308A1 Mechanical seal
07/11/1989CA1257234A1 Multiple fluid pathway energy converter
07/06/1989DE3744101A1 Ceramic sliding partners