Patents Assigned to CHINA UNIVERSTIY OF MINING AND TECHNOLOGY
  • Fissured substrata water pumping apparatus and method
    Patent number: 9850747
    Abstract: The present invention provides a fissured substrata water pumping apparatus and methods thereof. The fissured substrata water pumping apparatus includes a water pumping pipe inserted into a drilled hole under a roadway floor; one or more unidirectional water-blocking plates configured inside the water pumping pipe; a servo pump; and an annular drainage siphon having a first end connected to an upper end of the water pumping pipe, and a second end connected to an inlet end of the servo pump through a valve.
    Type: Grant
    Filed: January 25, 2016
    Date of Patent: December 26, 2017
    Assignee: CHINA UNIVERSTIY OF MINING AND TECHNOLOGY
    Inventors: Zhanguo Ma, Guozhen Zhao, Fan Zhang, Peng Gong, Zhongxi Jiang, Jianli Yang, Xinli Zhang, Zhanlin Ma, Yunjing Ma