Patents by Inventor Yingming WEN

Yingming WEN 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).

  • Mining hydraulic constant-resistance deforming and automatic pressure relieving anchor rod and working method thereof
    Patent number: 11041385
    Abstract: An anchor rod includes a sleeve open at one end and having a blocking plate at the other end; a pressure relief pipe fixedly arranged on an inner wall of the sleeve; and a rod body. A guide hole is formed in a center of the blocking plate. A part of the rod body penetrates through the guide hole and extends into the sleeve. A gap is formed between the pressure relief pipe and the blocking plate. An overflow valve is connected to the pressure relief pipe. A piston in sliding seal fit with the sleeve and the pressure relief pipe is arranged at the rod body. A sealing ring in sliding seal fit with the rod body is arranged at the inner wall of the guide hole; and a sealing cavity between the blocking plate and the piston in the sleeve is filled with emulsion.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: June 22, 2021
    Assignee: HENAN POLYTECHNIC UNIVERSITY
    Inventors: Hua Nan, Longfei Nan, Yingming Wen, Arshad Faizan, Zhiqiang Han
  • MINING HYDRAULIC CONSTANT-RESISTANCE DEFORMING AND AUTOMATIC PRESSURE RELIEVING ANCHOR ROD AND WORKING METHOD THEREOF
    Publication number: 20210017860
    Abstract: An anchor rod includes a sleeve open at one end and having a blocking plate at the other end; a pressure relief pipe fixedly arranged on an inner wall of the sleeve; and a rod body. A guide hole is formed in a center of the blocking plate. A part of the rod body penetrates through the guide hole and extends into the sleeve. A gap is formed between the pressure relief pipe and the blocking plate. An overflow valve is connected to the pressure relief pipe. A piston in sliding seal fit with the sleeve and the pressure relief pipe is arranged at the rod body. A sealing ring in sliding seal fit with the rod body is arranged at the inner wall of the guide hole; and a sealing cavity between the blocking plate and the piston in the sleeve is filled with emulsion.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 21, 2021
    Inventors: Hua NAN, Longfei NAN, Yingming WEN, Arshad FAIZAN, Zhiqiang HAN