Patents by Inventor Hai Ning Liao

Hai Ning Liao 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).

  • Motor and electric parking brake system
    Patent number: 9033117
    Abstract: A motor for actuating brake members of an electric parking (EPB) system, includes a stator and a rotor rotatably mounted to the stator. The rotor has a shaft, a commutator, a rotor core fixed to the shaft, and rotor windings wound about teeth of the rotor core and electrically connected to segments of the commutator. The rotor windings have a plurality of winding units and each of the winding units have at least two coils. The coils of each winding unit are wound about the same teeth and are connected to a same pair of segments.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: May 19, 2015
    Assignee: Johnson Electric S.A.
    Inventors: Hang Cheong Ma, Hing Shing Chung, Hai Ning Liao
  • MOTOR AND ELECTRIC PARKING BRAKE SYSTEM
    Publication number: 20110147144
    Abstract: A motor for actuating brake members of an electric parking (EPB) system, comprises a stator and a rotor rotatably mounted to the stator. The rotor comprises a shaft, a commutator, a rotor core fixed to the shaft, and rotor windings wound about teeth of the rotor core and electrically connected to segments of the commutator. The rotor windings comprise a plurality of winding units, each of the wining units comprising at least two coils. The coils of each winding unit are wound about the same teeth and connected to a same pair of segments.
    Type: Application
    Filed: November 17, 2010
    Publication date: June 23, 2011
    Applicant: Johnson Electric S.A.
    Inventors: Hang Cheong MA, Hing Shing Chung, Hai Ning Liao