Patents by Inventor Xiaowen XIAN

Xiaowen XIAN 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).

  • Transmission, and powered actuator using the same
    Patent number: 11767901
    Abstract: A transmission includes a transmission case provided with an internal gear an inner wall thereof and a multistage planetary gear mechanism housed in the transmission case. Each stage of the multistage planetary gear mechanism includes a retainer, a sun gear and a plurality of planetary gears mounted on the retainer. The plurality of the planetary gears in the last planetary gear stage of the multistage planetary gear mechanism includes four planetary gears annularly arranged between the corresponding sun gear and the inner gear in an uneven manner.
    Type: Grant
    Filed: January 19, 2023
    Date of Patent: September 26, 2023
    Assignee: JOHNSON MEDTECH (HK) LIMITED
    Inventors: Yuefu Zhu, Hua Hu, Xiaowen Xian
  • TRANSMISSION, AND POWERED ACTUATOR USING THE SAME
    Publication number: 20230228317
    Abstract: A transmission includes a transmission case provided with an internal gear an inner wall thereof and a multistage planetary gear mechanism housed in the transmission case. Each stage of the multistage planetary gear mechanism includes a retainer, a sun gear and a plurality of planetary gears mounted on the retainer. The plurality of the planetary gears in the last planetary gear stage of the multistage planetary gear mechanism includes four planetary gears annularly arranged between the corresponding sun gear and the inner gear in an uneven manner.
    Type: Application
    Filed: January 19, 2023
    Publication date: July 20, 2023
    Inventors: Yuefu ZHU, Hua HU, Xiaowen XIAN