Patents by Inventor Wenqi Qi

Wenqi Qi 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).

  • Shoulder-angle-adjustable friction stir welding head suitable for fillet joint
    Patent number: 11958127
    Abstract: A shoulder-angle-adjustable friction stir welding head suitable for a fillet joint includes a stirring head body. A front end of the stirring head body is mounted with a movable shoulder, a stirring pin channel is arranged on the movable shoulder, and the stirring pin channel may allow a stirring pin of the stirring head body to pass through. The present disclosure can respond to welding tasks of the fillet joint of different angles and enlarges an application scope of the friction stir welding head in a manner that the front end of the stirring head body is mounted with the movable shoulder, the stirring pin channel is arranged on the movable shoulder, the stirring pin channel is used for allowing the stirring pin of the stirring head body to pass through, and the angle of the movable shoulder is adjusted.
    Type: Grant
    Filed: September 14, 2023
    Date of Patent: April 16, 2024
    Assignee: Hefei University of Technology
    Inventors: Beibei Li, Pengcheng He, Jingfeng Wang, Wenqi Qi, Guoqiang Li