Patents by Inventor Chungui Zou

Chungui Zou 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).

  • Angle grinder and motor thereof
    Patent number: 11219980
    Abstract: An angle grinder includes a housing, an output shaft, and a motor. The motor includes a stator assembly, a rotor assembly including a motor shaft configured to rotate about a first axis, a commutator, and a carbon brush. The commutator includes a bushing, configured to connect the commutator to the motor shaft, a plurality of commutator segments, sequentially distributed in a circumferential direction around the first axis and arranged around the bushing, and an insulating member, configured to bond the bushing and the plurality of commutator segments so as to constitute a whole.
    Type: Grant
    Filed: October 15, 2019
    Date of Patent: January 11, 2022
    Assignee: Nanjing Chevron Industry Co., Ltd.
    Inventors: Cheng Zhang, Chungui Zou, Guoliang Shi, Junmin Fu
  • ANGLE GRINDER AND MOTOR THEREOF
    Publication number: 20200130128
    Abstract: An angle grinder includes a housing, an output shaft, and a motor. The motor includes a stator assembly, a rotor assembly including a motor shaft configured to rotate about a first axis, a commutator, and a carbon brush. The commutator includes a bushing, configured to connect the commutator to the motor shaft, a plurality of commutator segments, sequentially distributed in a circumferential direction around the first axis and arranged around the bushing, and an insulating member, configured to bond the bushing and the plurality of commutator segments so as to constitute a whole.
    Type: Application
    Filed: October 15, 2019
    Publication date: April 30, 2020
    Inventors: Cheng Zhang, Chungui Zou, Guoliang Shi, Junmin Fu