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with unequal distribution of blades around the hub

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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D29/00Details, component parts, or accessories

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F04D29/328with unequal distribution of blades around the hub
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller and fan
    • Patent number 11,236,760
    • Issue date Feb 1, 2022
    • Delta Electronics, Inc.
    • Chao-Fu Yang
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Blower fan
    • Patent number 10,968,921
    • Issue date Apr 6, 2021
    • LG Electronics Inc.
    • Namjoon Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Ducted thrusters
    • Patent number 10,889,366
    • Issue date Jan 12, 2021
    • Textron Innovations Inc.
    • Chad Lewis Jarrett
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Fan with impeller based on an audio spread-spectrum
    • Patent number 10,648,486
    • Issue date May 12, 2020
    • MICROSOFT TECHNOLOGY LICENSING, LLC
    • Gregory M. Daly
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Fan comprising an impeller with blades
    • Patent number 10,605,269
    • Issue date Mar 31, 2020
    • ebm-papst St. Georgen GmbH & Co. KG
    • Michael Stadler
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal fan
    • Patent number 10,519,979
    • Issue date Dec 31, 2019
    • ASUSTeK COMPUTER Inc.
    • Hsin-Chen Lin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial fan with unbalanced blade spacing
    • Patent number 10,480,527
    • Issue date Nov 19, 2019
    • Robert Bosch GmbH
    • Robert J. Van Houten
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Non uniform vane spacing
    • Patent number 10,443,626
    • Issue date Oct 15, 2019
    • General Electric Company
    • Mark Joseph Mielke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Airfoil structure having a shape memory alloy actuator
    • Patent number 10,428,825
    • Issue date Oct 1, 2019
    • United Technologies Corporation
    • Alexander Staroselsky
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Cooling fan assemblies with selectively activated vibration modes
    • Patent number 10,326,330
    • Issue date Jun 18, 2019
    • Intel Corporation
    • Mikko Kursula
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compression system for a turbine engine
    • Patent number 10,294,965
    • Issue date May 21, 2019
    • Honeywell International Inc.
    • Nick Nolcheff
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flutter-resistant turbomachinery blades
    • Patent number 9,784,286
    • Issue date Oct 10, 2017
    • Honeywell International Inc.
    • Cristina White
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Fan rotor blade of aircraft jet engine
    • Patent number 9,702,257
    • Issue date Jul 11, 2017
    • IHI Corporation
    • Hiroyuki Yagi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Cooling device for use with engines
    • Patent number 9,512,774
    • Issue date Dec 6, 2016
    • Honda Motor Co., Ltd.
    • Christopher W. Vaughn
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cooling device for use with engines
    • Patent number 9,470,137
    • Issue date Oct 18, 2016
    • Honda Motor Co., Ltd.
    • Christopher W. Vaughn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor wheel
    • Patent number 8,997,486
    • Issue date Apr 7, 2015
    • Bullseye Power LLC
    • David M. Hall
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotary machine having grooves for control of fluid dynamics
    • Patent number 8,684,685
    • Issue date Apr 1, 2014
    • General Electric Company
    • John McConnell Delvaux
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary machine having non-uniform blade and vane spacing
    • Patent number 8,678,752
    • Issue date Mar 25, 2014
    • General Electric Company
    • John McConnell Delvaux
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Fan rotor design for coincidence avoidance
    • Patent number 7,811,053
    • Issue date Oct 12, 2010
    • United Technologies Corporation
    • Stanley J. Balamucki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fan incorporating non-uniform blades
    • Patent number 6,719,530
    • Issue date Apr 13, 2004
    • Hon Hai Precision Ind. Co., Ltd.
    • Min Chan John Chow
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial flow fan motor
    • Patent number 6,644,918
    • Issue date Nov 11, 2003
    • Minebea Co., Ltd.
    • Satoshi Masuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial flow fan
    • Patent number 6,491,499
    • Issue date Dec 10, 2002
    • Torrington Research Company
    • Russel H. Marvin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial fan, centrifugal fan, and electronic equipment employing one...
    • Patent number 6,488,472
    • Issue date Dec 3, 2002
    • Seiko Epson Corporation
    • Atsushi Miyazawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial flow fan
    • Patent number 5,996,685
    • Issue date Dec 7, 1999
    • Valeo Thermique Moteur
    • Ahmad Alizadeh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotors with mistuned blades
    • Patent number 5,993,161
    • Issue date Nov 30, 1999
    • California Institute of Technology
    • Benjamin Shapiro
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Low-noise, high-efficiency fan assembly combining unequal blade spa...
    • Patent number 5,681,145
    • Issue date Oct 28, 1997
    • ITT Automotive Electrical Systems, Inc.
    • Michael J. Neely
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable skew fan
    • Patent number 5,000,660
    • Issue date Mar 19, 1991
    • Airflow Research and Manufacturing Corporation
    • Robert J. Van Houten
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Axial flow fan
    • Patent number 4,474,534
    • Issue date Oct 2, 1984
    • General Dynamics Corp.
    • Herbert W. Thode
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wheel or rotor with a plurality of blades
    • Patent number 4,253,800
    • Issue date Mar 3, 1981
    • Hitachi, Ltd.
    • Yorihide Segawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3711219
    • Patent number 3,711,219
    • Issue date Jan 16, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Impeller blade with uneven spacing
    • Publication number 20240287999
    • Publication date Aug 29, 2024
    • SHARKNINJA OPERATING LLC
    • Max Peter Lacoma
    • A46 - BRUSHWARE
  • Information Patent Application

    PROCESS FOR CALCULATING AN ANGULAR SPACING BETWEEN THE BLADES OF AN...
    • Publication number 20190277304
    • Publication date Sep 12, 2019
    • SPAL AUTOMOTIVE S.r.l.
    • Pietro DE FILIPPIS
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    ENGINE COOLING FANS WITH UNEVEN BLADE SPACING
    • Publication number 20190063464
    • Publication date Feb 28, 2019
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Abdelkrim Zouani
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AXIAL FLOW FAN
    • Publication number 20180372120
    • Publication date Dec 27, 2018
    • BorgWarner Inc.
    • Tobias MOSER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN WITH IMPELLER BASED ON AN AUDIO SPREAD-SPECTRUM
    • Publication number 20180320709
    • Publication date Nov 8, 2018
    • Microsoft Technology Licensing, LLC
    • Gregory M. DALY
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    COOLING FAN ASSEMBLIES WITH SELECTIVELY ACTIVATED VIBRATION MODES
    • Publication number 20180051711
    • Publication date Feb 22, 2018
    • Intel Corporation
    • Mikko Kursula
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FAN COMPRISING AN IMPELLER WITH BLADES
    • Publication number 20160265556
    • Publication date Sep 15, 2016
    • EBM-PAPST ST. GEORGEN GMBH & CO. KG
    • Michael Stadler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUTTER-RESISTANT TRANSONIC TURBOMACHINERY BLADES AND METHODS FOR R...
    • Publication number 20150233390
    • Publication date Aug 20, 2015
    • Honeywell International Inc.
    • Cristina White
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLING DEVICE FOR USE WITH ENGINES
    • Publication number 20140056703
    • Publication date Feb 27, 2014
    • Christopher W. Vaughn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HEAT DISSIPATING FAN AND FAN WHEEL
    • Publication number 20130292096
    • Publication date Nov 7, 2013
    • SilverStone Technology Co., Ltd.
    • Wei-Cheng HUNG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WHEEL
    • Publication number 20130251533
    • Publication date Sep 26, 2013
    • Bullseye Power LLC
    • David M. Hall
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ROTARY MACHINE HAVING GROOVES FOR CONTROL OF FLUID DYNAMICS
    • Publication number 20120099996
    • Publication date Apr 26, 2012
    • GENERAL ELECTRIC COMPANY
    • John McConnell Delvaux
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY MACHINE HAVING NON-UNIFORM BLADE AND VANE SPACING
    • Publication number 20120099961
    • Publication date Apr 26, 2012
    • GENERAL ELECTRIC COMPANY
    • John McConnell Delvaux
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AXIAL FLOW FAN
    • Publication number 20120003097
    • Publication date Jan 5, 2012
    • Kyung Seok Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan Device
    • Publication number 20110150638
    • Publication date Jun 23, 2011
    • Yen Sun Technology Corp.
    • Chien-Jung Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan Device
    • Publication number 20110150639
    • Publication date Jun 23, 2011
    • Yen Sun Technology Corp.
    • Chien-Jung Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan for vehicle
    • Publication number 20080101936
    • Publication date May 1, 2008
    • Jeong-Han Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fan rotor design for coincidence avoidance
    • Publication number 20070020101
    • Publication date Jan 25, 2007
    • United Technologies Corporation
    • Stanley J. Balamucki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Fan incorporating non-uniform blades
    • Publication number 20030108427
    • Publication date Jun 12, 2003
    • Min Chan John Chow
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL FAN, CENTRIFUGAL FAN, AND ELECTRONIC EQUIPMENT EMPLOYING ONE...
    • Publication number 20020182053
    • Publication date Dec 5, 2002
    • Atsushi Miyazawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial flow fan motor
    • Publication number 20020127109
    • Publication date Sep 12, 2002
    • MINEBEA CO., LTD.
    • Satoshi Masuo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...