Patents by Inventor Shousen Zhang

Shousen Zhang 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).

  • Plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers
    Patent number: 11434702
    Abstract: The present invention relates to a plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers, which is applied to suction working conditions in highly deviated well sections. It comprises three pump cylinders, which are combined type including two fixed cylinders and a dynamic cylinder, two centralizers, which are combined type including a dynamic spiral centralizer and fixed spiral centralizer, a fixed cone valve, a cylinder and plug integrated springing fixed cone valve, a fixed plunger and a movable guide rod cone valve to solve the problems such as stuck pump, eccentric wear between plunger and pump cylinder and valve leakage.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: September 6, 2022
    Assignee: QINGDAO UNIVERSITY OF TECHNOLOGY
    Inventors: Xinfu Liu, Chunhua Liu, Chao Zhou, Jianjun Wu, Peng Gao, Shousen Zhang
  • PLUG AND VALVE INTEGRATED CONE VALVE PUMP WITH COMBINED TYPE MOVABLE AND FIXED THREE CYLINDERS AND TWO SPIRAL CENTRALIZERS
    Publication number: 20210324688
    Abstract: The present invention relates to a plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers, which is applied to suction working conditions in highly deviated well sections. It comprises three pump cylinders, which are combined type including two fixed cylinders and a dynamic cylinder, two centralizers, which are combined type including a dynamic spiral centralizer and fixed spiral centralizer, a fixed cone valve, a cylinder and plug integrated springing fixed cone valve, a fixed plunger and a movable guide rod cone valve to solve the problems such as stuck pump, eccentric wear between plunger and pump cylinder and valve leakage.
    Type: Application
    Filed: January 6, 2021
    Publication date: October 21, 2021
    Inventors: Xinfu Liu, Chunhua Liu, Chao Zhou, Jianjun Wu, Peng Gao, Shousen Zhang