Patents by Inventor Zhengsheng CHEN

Zhengsheng CHEN 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, rotor and shaft sleeve thereof
    Patent number: 10826360
    Abstract: A motor, a rotor and a sleeve are provided. The motor includes a stator and a rotor which includes a shaft, a rotor core, a sleeve, a commutator, and a rotor winding wound on the rotor core. The sleeve is arranged between the rotor core and the commutator. The sleeve includes a first end portion close to the commutator, a second end portion close to the rotor core, and a middle portion therebetween. An outer diameter of the first end portion is smaller than an outer diameter of the middle portion, and the outer diameter of the middle portion is smaller than an outer diameter of the second end portion. An end of the commutator close to the sleeve has a groove, and the first end portion of the sleeve is placed in the groove. The rotor has a good seismic performance.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: November 3, 2020
    Assignee: JOHNSON ELECTRIC INTERNATIONAL AG
    Inventors: Siukin Tam, Huaping Zeng, Zhengsheng Chen
  • MOTOR, ROTOR AND SHAFT SLEEVE THEREOF
    Publication number: 20190229592
    Abstract: A motor, a rotor and a sleeve are provided. The motor includes a stator and a rotor which includes a shaft, a rotor core, a sleeve, a commutator, and a rotor winding wound on the rotor core. The sleeve is arranged between the rotor core and the commutator. The sleeve includes a first end portion close to the commutator, a second end portion close to the rotor core, and a middle portion therebetween. An outer diameter of the first end portion is smaller than an outer diameter of the middle portion, and the outer diameter of the middle portion is smaller than an outer diameter of the second end portion. An end of the commutator close to the sleeve has a groove, and the first end portion of the sleeve is placed in the groove. The rotor has a good seismic performance.
    Type: Application
    Filed: January 22, 2019
    Publication date: July 25, 2019
    Inventors: Siukin TAM, Huaping ZENG, Zhengsheng CHEN