Patents by Inventor Guanqin Liu

Guanqin Liu 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).

  • Planetary bevel gear automatic limited slip differential
    Patent number: 12092193
    Abstract: A planetary bevel gear automatic limited slip differential includes five portions that are a main differential, a planetary bevel gear controller, a left drive axle shaft, a right drive axle shaft, and clutches. The planetary bevel gear controller includes an outer control unit and an inner control unit, the outer control unit includes four planetary bevel gears on an outer layer and a bevel gear fixed on a housing, and the inner control unit includes inner planetary bevel gears on an inner side and two bevel gears which have the same parameters and are meshed with the planetary bevel gears. The bevel gears are fixedly connected with outer rings of two overrunning clutches, respectively, and inner rings of the overrunning clutches and the right drive axle shaft are connected together by splines.
    Type: Grant
    Filed: January 16, 2024
    Date of Patent: September 17, 2024
    Inventors: Qinghe Guo, Yurong Chen, Wen Cheng, Renjun Liu, Shenghuai Wang, Hongxia Wang, Xiaohui Chen, Guanqin Liu, Yongping Shen, Huiyuan Li, Huihui Zhou, Mengchao Wang, Suiyu Yin, Longyong Gan