Patents by Inventor TingTuan Xu

TingTuan Xu 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).

  • Electric motor
    Patent number: 8217548
    Abstract: A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adjacent one end of the rotor core, windings wound about poles of the rotor core and terminated on the commutator, the windings each being wound around a single pole of the rotor; and brush gear comprising brushes in sliding contact with the commutator for transferring electrical power to the windings.
    Type: Grant
    Filed: October 14, 2010
    Date of Patent: July 10, 2012
    Assignee: Johnson Electric S.A.
    Inventors: Ruifeng Qin, Ling Yang, BaoTing Liu, TingTuan Xu
  • Electric motor
    Patent number: 7982354
    Abstract: A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adjacent one end of the rotor core, windings wound about poles of the rotor core and terminated on the commutator, the windings each being wound around a single pole of the rotor; and brush gear comprising brushes in sliding contact with the commutator for transferring electrical power to the windings.
    Type: Grant
    Filed: September 3, 2010
    Date of Patent: July 19, 2011
    Assignee: Johnson Electric S.A.
    Inventors: RuiFeng Qin, Ling Yang, BaoTing Liu, TingTuan Xu
  • ELECTRIC MOTOR
    Publication number: 20110023798
    Abstract: A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adjacent one end of the rotor core, windings wound about poles of the rotor core and terminated on the commutator, the windings each being wound around a single pole of the rotor; and brush gear comprising brushes in sliding contact with the commutator for transferring electrical power to the windings.
    Type: Application
    Filed: October 14, 2010
    Publication date: February 3, 2011
    Inventors: RuiFeng QIN, Ling YANG, BaoTing LIU, TingTuan XU
  • ELECTRIC MOTOR
    Publication number: 20100326378
    Abstract: A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adjacent one end of the rotor core, windings wound about poles of the rotor core and terminated on the commutator, the windings each being wound around a single pole of the rotor; and brush gear comprising brushes in sliding contact with the commutator for transferring electrical power to the windings.
    Type: Application
    Filed: September 3, 2010
    Publication date: December 30, 2010
    Inventors: RuiFeng QIN, Ling Yang, BaoTing Liu, TingTuan Xu
  • Electric motor
    Patent number: 7821170
    Abstract: A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adjacent one end of the rotor core, windings wound about poles of the rotor core and terminated on the commutator, the windings each being wound around a single pole of the rotor; and brush gear comprising brushes in sliding contact with the commutator for transferring electrical power to the windings.
    Type: Grant
    Filed: August 29, 2008
    Date of Patent: October 26, 2010
    Assignee: Johnson Electric S.A.
    Inventors: RuiFeng Qin, Ling Yang, BaoTing Liu, TingTuan Xu
  • ELECTRIC MOTOR
    Publication number: 20090058210
    Abstract: A DC motor, has a stator housing accommodating a permanent magnet stator; a rotor, rotatably mounted confronting the stator, the rotor having a shaft, a rotor core fitted to the shaft and having laminations forming salient poles, a commutator fitted to the shaft adjacent one end of the rotor core, windings wound about poles of the rotor core and terminated on the commutator, the windings each being wound around a single pole of the rotor; and brush gear comprising brushes in sliding contact with the commutator for transferring electrical power to the windings.
    Type: Application
    Filed: August 29, 2008
    Publication date: March 5, 2009
    Inventors: Ruifeng QIN, Ling YANG, BaoTing LIU, TingTuan XU