Patents by Inventor Kwang Seok CHA

Kwang Seok CHA 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).

  • Laser welding apparatus for spacer grid of nuclear fuel assembly
    Patent number: 10361006
    Abstract: Provided is a laser welding apparatus for spacer grid of nuclear fuel assembly comprising a base frame in which a chamber installment hole is formed horizontally to the center in a way that the hole penetrates the chamber and a guide rail is installed along the chamber installment hole; a welding chamber unit assembled with the base frame in guidance by the guide rail and equipped with an operable door in front and a glass window at the top to be airtight; a laser welding unit mounted on the base frame for radiating laser through the glass window to weld spacer grid in the welding chamber; and a locking member for fixing the welding chamber on the base frame.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: July 23, 2019
    Assignee: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Dong Kwang Shin, Byeong Eun Oh, Kwang Ho Yun, Sang Jae Han, Jong Sung Hong, Kwang Seok Cha, Wun Su Hong
  • LASER WELDING APPARATUS FOR SPACER GRID OF NUCLEAR FUEL ASSEMBLY
    Publication number: 20160155520
    Abstract: Provided is a laser welding apparatus for spacer grid of nuclear fuel assembly comprising a base frame in which a chamber installment hole is formed horizontally to the center in a way that the hole penetrates the chamber and a guide rail is installed along the chamber installment hole; a welding chamber unit assembled with the base frame in guidance by the guide rail and equipped with an operable door in front and a glass window at the top to be airtight; a laser welding unit mounted on the base frame for radiating laser through the glass window to weld spacer grid in the welding chamber; and a locking member for fixing the welding chamber on the base frame.
    Type: Application
    Filed: March 20, 2015
    Publication date: June 2, 2016
    Applicant: KEPCO NUCLEAR FUEL CO., LTD.
    Inventors: Dong Kwang SHIN, Byeong Eun OH, Kwang Ho YUN, Sang Jae HAN, Jong Sung HONG, Kwang Seok CHA, Wun Su HONG