Patents by Inventor Yong Gu Han

Yong Gu Han 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).

  • Apparatus for measuring dimensions of spacer grid for nuclear fuel assemblies
    Patent number: 8707571
    Abstract: Provided is an apparatus for measuring dimensions of a spacer grid for nuclear fuel assemblies. The apparatus includes a fixing unit fixed to a measuring table placed on a floor and kept insulated from vibrations caused by external force, a measuring unit mounted on the fixing unit and configured so that measuring members are installed on both sides of a rectangular spacer grid and move in forward and backward directions by cylinders while grasping the both sides of the spacer grid, and measure abnormalities in the both sides of the spacer grid, and a displacement measuring unit mounted on one side of the measuring unit and sending the measured abnormalities in the both sides of the spacer grid to the outside.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: April 29, 2014
    Assignee: Kepco Nuclear Co., Ltd.
    Inventors: Jung Cheol Shin, Yong Gu Han, Eun Hye Kim, Jung Yoon Han
  • APPARATUS FOR MEASURING DIMENSIONS OF SPACER GRID FOR NUCLEAR FUEL ASSEMBLIES
    Publication number: 20130008040
    Abstract: Provided is an apparatus for measuring dimensions of a spacer grid for nuclear fuel assemblies. The apparatus includes a fixing unit fixed to a measuring table placed on a floor and kept insulated from vibrations caused by external force, a measuring unit mounted on the fixing unit and configured so that measuring members are installed on both sides of a rectangular spacer grid and move in forward and backward directions by cylinders while grasping the both sides of the spacer grid, and measure abnormalities in the both sides of the spacer grid, and a displacement measuring unit mounted on one side of the measuring unit and sending the measured abnormalities in the both sides of the spacer grid to the outside.
    Type: Application
    Filed: December 22, 2011
    Publication date: January 10, 2013
    Inventors: Jung Cheol Shin, Yong Gu Han, Eun Hye Kim, Jung Yoon Han