Patents by Inventor Wenjun GE

Wenjun GE 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).

  • Additive manufacturing device utilizing EB-laser composite scan
    Patent number: 11192187
    Abstract: An additive manufacturing device utilizing an electron beam and laser integrated scanning comprises: a vacuum generating chamber (1); a worktable means having a forming region at least provided in the vacuum generating chamber (1); a powder supply means configured to supply a powder to the forming region; an electron-beam emission focusing and scanning means (6) and an laser-beam emission focusing and scanning means (7) configured in such a manner that a scanning range of the electron-beam emission focusing and scanning means (6) and a scanning range of the laser-beam emission focusing and scanning means (7) cover at least a part of the forming region; and a controller configured to control the electron-beam emission focusing and scanning means (6) and the laser-beam emission focusing and scanning means (7) to perform a powder integrated-scanning and forming treatment on the forming region.
    Type: Grant
    Filed: March 9, 2016
    Date of Patent: December 7, 2021
    Assignee: Tsinghua University
    Inventors: Feng Lin, Bin Zhou, Chao Guo, Wenjun Ge, Lei Zhang
  • ADDITIVE MANUFACTURING DEVICE UTILIZING EB-LASER COMPOSITE SCAN
    Publication number: 20180079003
    Abstract: An additive manufacturing device utilizing an electron beam and laser integrated scanning comprises: a vacuum generating chamber (1); a worktable means having a forming region at least provided in the vacuum generating chamber (1); a powder supply means configured to supply a powder to the forming region; an electron-beam emission focusing and scanning means (6) and an laser-beam emission focusing and scanning means (7) configured in such a manner that a scanning range of the electron-beam emission focusing and scanning means (6) and a scanning range of the laser-beam emission focusing and scanning means (7) cover at least a part of the forming region; and a controller configured to control the electron-beam emission focusing and scanning means (6) and the laser-beam emission focusing and scanning means (7) to perform a powder integrated-scanning and forming treatment on the forming region.
    Type: Application
    Filed: March 9, 2016
    Publication date: March 22, 2018
    Inventors: Feng LIN, Bin ZHOU, Chao GUO, Wenjun GE, Lei ZHANG