Patents by Inventor Zhigen LI

Zhigen LI 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).

  • Dynamic simulation test platform and method for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation
    Patent number: 11971326
    Abstract: A dynamic simulation test platform for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation includes an evacuated tube having a transition section and a vacuum section, a vacuum maintaining system, a motor supporting platform, and a model train. One end of the evacuated tube is provided with a first isolation door, and the other end is closed. A second isolation door is provided inside the evacuated tube. The vacuum maintaining system is connected to the transition section and the vacuum section. The motor supporting platform is provided in the evacuated tube and extends outside the transition section. The motor supporting platform is provided with a stator winding and a permanent-magnet track. A mover and a cryogenic dewar are provided at a bottom of the model train. The cryogenic dewar is provided with a superconducting bulk. A test method using the test platform is further provided.
    Type: Grant
    Filed: October 9, 2023
    Date of Patent: April 30, 2024
    Assignee: Southwest Jiaotong University
    Inventors: Weihua Zhang, Zigang Deng, Haiquan Bi, Wenxiang Zhou, Jun Guo, Zhigen Xu, Yinchuan Li, Le Liang
  • Deep groove ball bearing with a rotor
    Patent number: 10197101
    Abstract: A deep groove ball bearing with a rotor is disclosed by the present invention.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: February 5, 2019
    Assignee: Ningbo City Zhenhai Silver-Ball Bearing Co., Ltd.
    Inventors: Zhigen Li, Huahai Xiao
  • DEEP GROOVE BALL BEARING WITH A ROTOR
    Publication number: 20180298950
    Abstract: A deep groove ball bearing with a rotor is disclosed by the present invention.
    Type: Application
    Filed: July 18, 2017
    Publication date: October 18, 2018
    Inventors: Zhigen LI, Huahai XIAO