Patents by Inventor Jin Fujun

Jin Fujun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Distributed winding arrangement for an electric motor
    Patent number: 9425663
    Abstract: A distributed winding arrangement for an electric motor is provided that reduces brush arcing while reducing the size of the commutator. The electric motor is comprised generally of an armature having a plurality of spaced apart posts defining a plurality of spaced apart winding slots; a stator disposed coaxially with the armature; and a commutator having a plurality of commutator bars, where the number of commutator bars is an integer greater than the number of winding slots but less than twice the number of winding slots provided by the armature.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: August 23, 2016
    Assignee: BLACK & DECKER INC.
    Inventors: Wei Chen, Jin Fujun, Steven Swaddle, Timothy W. French, Jr.
  • DISTRIBUTED WINDING ARRANGEMENT FOR AN ELECTRIC MOTOR
    Publication number: 20140049133
    Abstract: A distributed winding arrangement for an electric motor is provided that reduces brush arcing while reducing the size of the commutator. The electric motor is comprised generally of an armature having a plurality of spaced apart posts defining a plurality of spaced apart winding slots; a stator disposed coaxially with the armature; and a commutator having a plurality of commutator bars, where the number of commutator bars is an integer greater than the number of winding slots but less than twice the number of winding slots provided by the armature.
    Type: Application
    Filed: July 15, 2013
    Publication date: February 20, 2014
    Inventors: Wei Chen, Jin Fujun, Steven Swaddle, Timothy W. French
  • Distributed winding arrangement for an electric motor
    Patent number: RE48399
    Abstract: A distributed winding arrangement for an electric motor is provided that reduces brush arcing while reducing the size of the commutator. The electric motor is comprised generally of an armature having a plurality of spaced apart posts defining a plurality of spaced apart winding slots; a stator disposed coaxially with the armature; and a commutator having a plurality of commutator bars, where the number of commutator bars is an integer greater than the number of winding slots but less than twice the number of winding slots provided by the armature.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: January 19, 2021
    Assignee: Black & Decker Inc.
    Inventors: Wei Chen, Jin Fujun, Steven Swaddle, Timothy W. French, Jr.