Patents by Inventor Dachang GUO

Dachang GUO 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).

  • Two-speed transmission system integrated with inner rotor hub motor and electric vehicle using same
    Patent number: 11358468
    Abstract: A two-speed transmission system integrated with an inner rotor hub motor, including an inner rotor hub motor, a steering knuckle, a fastening screw, a first transmission casing, a second transmission casing, a screw, a first planetary gear train, a second planetary gear train, a first electromagnetic brake, a second electromagnetic brake, a tire, a wheel rim, a rim bolt, a rim nut, a wheel hub, a shaft end bolt, a brake disc and a brake caliper. This invention also provides an electric vehicle, which balances the requirements for dynamics performance and driving economics and achieves better overall performances. The two-speed transmission system of this invention realizes gear shifting and long-term no-power parking braking.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: June 14, 2022
    Assignee: Jilin University
    Inventors: Junnian Wang, Kai Wang, Dachang Guo, Chunlin Zhang, Rui Luo, Zhenhao Zhang, Jiulong Gao, Jiantu Ni
  • TWO-SPEED TRANSMISSION SYSTEM INTEGRATED WITH INNER ROTOR HUB MOTOR AND ELECTRIC VEHICLE USING SAME
    Publication number: 20200384856
    Abstract: A two-speed transmission system integrated with an inner rotor hub motor, including an inner rotor hub motor, a steering knuckle, a fastening screw, a first transmission casing, a second transmission casing, a screw, a first planetary gear train, a second planetary gear train, a first electromagnetic brake, a second electromagnetic brake, a tire, a wheel rim, a rim bolt, a rim nut, a wheel hub, a shaft end bolt, a brake disc and a brake caliper. This invention also provides an electric vehicle, which balances the requirements for dynamics performance and driving economics and achieves better overall performances. The two-speed transmission system of this invention realizes gear shifting and long-term no-power parking braking.
    Type: Application
    Filed: December 6, 2019
    Publication date: December 10, 2020
    Inventors: Junnian WANG, Kai WANG, Dachang GUO, Chunlin ZHANG, Rui LUO, Zhenhao ZHANG, Jiulong GAO, Jiantu NI