Patents by Inventor Jingxue Qu

Jingxue Qu 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).

  • Aerated swirling vertical shaft with double volute chambers
    Patent number: 9068671
    Abstract: An aerated swirling vertical shaft with double volute chambers comprises an upper volute chamber (2) and a first shrinking section (3) beneath the upper volute chamber (2), a venting passage (4) outside the upper volute chamber (2), a vertical shaft section (7) beneath the first shrinking section (3), as well as an aerated lower volute chamber (5) and a second shrinking section (6) communicated with the aerated lower volute chamber (5) between the first shrinking section (3) and the vertical shaft section (7), wherein the upper end of the aerated lower volute chamber (5) is connected with the first shrinking section (3), the lower end of the second shrinking section (6) is connected with the vertical shaft section (7); the upper end of the venting passage (4) is communicated with the atmosphere and the lower end is communicated with the aerated lower volute chamber (5).
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: June 30, 2015
    Assignee: Sichuan University
    Inventors: Jianmin Zhang, Weilin Xu, Shanjun Liu, Wei Wang, Jingxue Qu, Jun Deng, Zhong Tian, Jiangang Chen, Gang Lei, Yu Ren
  • Aerated Swirling Vertical Shaft with Double Volute Chambers
    Publication number: 20130276926
    Abstract: An aerated swirling vertical shaft with double volute chambers comprises an upper volute chamber (2) and a first shrinking section (3) beneath the upper volute chamber (2), a venting passage (4) outside the upper volute chamber (2), a vertical shaft section (7) beneath the first shrinking section (3), as well as an aerated lower volute chamber (5) and a second shrinking section (6) communicated with the aerated lower volute chamber (5) between the first shrinking section (3) and the vertical shaft section (7), wherein the upper end of the aerated lower volute chamber (5) is connected with the first shrinking section (3), the lower end of the second shrinking section (6) is connected with the vertical shaft section (7); the upper end of the venting passage (4) is communicated with the atmosphere and the lower end is communicated with the aerated lower volute chamber (5).
    Type: Application
    Filed: July 28, 2010
    Publication date: October 24, 2013
    Applicant: SICHUAN UNIVERSITY
    Inventors: Jianmin Zhang, Weilin Xu, Shanjun Liu, Wei Wang, Jingxue Qu, Jun Deng, Zhong Tian, Jiangang Chen, Gang Lei, Yu Ren
  • Aerated Swirling Vertical Shaft with Double Volute Chambers
    Publication number: 20130068332
    Abstract: An aerated swirling vertical shaft with double volute chambers comprises an upper volute chamber (2) and a first shrinking section (3) beneath the upper volute chamber (2), a venting passage (4) outside the upper volute chamber (2), a vertical shaft section (7) beneath the first shrinking section (3), as well as an aerated lower volute chamber (5) and a second shrinking section (6) communicated with the aerated lower volute chamber (5) between the first shrinking section (3) and the vertical shaft section (7), wherein the upper end of the aerated lower volute chamber (5) is connected with the first shrinking section (3), the lower end of the second shrinking section (6) is connected with the vertical shaft section (7); the upper end of the venting passage (4) is communicated with the atmosphere and the lower end is communicated with the aerated lower volute chamber (5).
    Type: Application
    Filed: July 28, 2010
    Publication date: March 21, 2013
    Applicant: SICHUAN UNIVERSITY
    Inventors: Jianmin Zhang, Weilin Xu, Shanjun Liu, Wei Wang, Jingxue Qu, Jun Deng, Zhong Tian, Jiangang Chen, Gang Lei, Yu Ren