Patents by Inventor Qingqing Gan

Qingqing Gan 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).

  • TESTING DEVICE AND METHOD FOR SIMULATING COALBUMP OF PASSING THROUGH FAULT
    Publication number: 20230408385
    Abstract: A testing device for simulating coalbump includes a testing chamber. A first oil cylinder, a second oil cylinder and a third oil cylinder are provided within the testing chamber; each piston rod of each oil cylinder can stretch or retract. A first reaction seat, a second reaction seat and a third reaction seat are arranged opposite to a side of the first piston rod of the first oil cylinder, a side of the second piston rod of the second oil cylinder and a side of the third piston rod of the third oil cylinder respectively. The testing device includes a shear loading unit including a fourth oil cylinder and a fifth oil cylinder located on a same axis, and a side of a fourth piston rod of the fourth oil cylinder and a side of a fifth piston rod of the fifth oil cylinder are arranged opposite to each other.
    Type: Application
    Filed: December 19, 2022
    Publication date: December 21, 2023
    Inventors: Shoujian Peng, Jiang Xu, Qingfeng Xu, Liang Cheng, Li Jia, Bin Zhou, Yi'an Chen, Feng Jiao, Yan Yang, Hailin Yang, Qingqing Gan, Xiaomei Wang