Patents by Inventor Yeqing SHEN

Yeqing SHEN 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).

  • Publication number: 20240053242
    Abstract: The present invention discloses an experimental device for characterization of particle packing gradation. The device is provided with a filling container with an upper opening, an air-permeable thin plate is arranged in the filling container, the air-permeable thin plate is densely covered with air-permeable round holes, the bottom of the filling container communicates with the top of a connecting pipe, the bottom of the connecting pipe is connected to one end of a U-shaped pipe, a marking line is provided on the pipe wall of the U-shaped pipe on the side of the connecting pipe, the connecting pipe is provided with a three-way pipe with a valve, and the three-way pipe with a valve is connected to a vacuum pump in a main machine through a bypass. The present invention further provides an experimental method for characterizing particle packing gradation.
    Type: Application
    Filed: August 7, 2023
    Publication date: February 15, 2024
    Applicant: ANHUI NORMAL UNIVERSITY
    Inventors: Yeqing SHEN, Chao ZHAI, Mei MENG