Patents by Inventor Yangyi Yan

Yangyi Yan 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).

  • Cooling structure for a motorcycle transmission
    Patent number: 12747782
    Abstract: A cooling structure for a motorcycle transmission includes a heat dissipation fan disposed inside a transmission housing, an inner wall of the transmission housing is provided with a flow-guiding groove directly opposite to the heat dissipation fan and a labyrinth partition adjacent to a rear side of the flow-guiding groove, an air inlet communicating with the flow-guiding groove is formed in a side wall of a front end of the flow-guiding groove, a groove bottom of the flow-guiding groove is provided with an arc-shaped flow-guiding slope, a head end of the flow-guiding slope is located at the air inlet, the flow-guiding slope is gradually inclined toward a direction close to the heat dissipation fan from the head end to a tail end, and a lower end of the labyrinth partition is spaced from a bottom edge of the transmission housing to form an air passing opening.
    Type: Grant
    Filed: July 4, 2023
    Date of Patent: September 29, 2026
    Assignee: Zhejiang Qianjiang Motorcycle Co., Ltd.
    Inventors: Yangyi Yan, Haigang Zheng, Licheng Zhang, Lai Jiang, Jiangwei Pan
  • Cooling Structure for a Motorcycle Transmission
    Publication number: 20260251212
    Abstract: A cooling structure for a motorcycle transmission includes a heat dissipation fan disposed inside a transmission housing, an inner wall of the transmission housing is provided with a flow-guiding groove directly opposite to the heat dissipation fan and a labyrinth partition adjacent to a rear side of the flow-guiding groove, an air inlet communicating with the flow-guiding groove is formed in a side wall of a front end of the flow-guiding groove, a groove bottom of the flow-guiding groove is provided with an arc-shaped flow-guiding slope, a head end of the flow-guiding slope is located at the air inlet, the flow-guiding slope is gradually inclined toward a direction close to the heat dissipation fan from the head end to a tail end, and a lower end of the labyrinth partition is spaced from a bottom edge of the transmission housing to form an air passing opening.
    Type: Application
    Filed: July 4, 2023
    Publication date: August 27, 2026
    Applicant: Zhejiang Qianjiang Motorcycle Co., Ltd.
    Inventors: Yangyi Yan, Haigang Zheng, Licheng Zhang, Lai Jiang, Jiangwei Pan