Patents by Inventor Xueheng Zheng

Xueheng Zheng 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).

  • Device and method for measuring fretting displacement in power cycle of press-pack IGBT
    Patent number: 11698248
    Abstract: Disclosed are a device and a method for measuring a fretting displacement in a power cycling of a press-pack insulated gate bipolar transistor (IGBT). The IGBT includes: a bracket; slide bars slidably mounted on the bracket and are arranged at least four along a circumferential direction of the bracket; sensors respectively slidably installed on the bracket and the slide bars; and a power cycling experiment device arranged inside the bracket.
    Type: Grant
    Filed: December 2, 2022
    Date of Patent: July 11, 2023
    Assignee: BEIJING UNIVERSITY OF TECHNOLOGY
    Inventors: Tong An, Xueheng Zheng, Rui Zhou, Fei Qin