Patents Examined by Meen Chelliah
  • Patent number: 5280507
    Abstract: A method and apparatus of sensing obstructions in a tubular nuclear fuel rod or the like is disclosed. A nozzle is positioned to engage one end of the fuel rod in an air tight sealed relationship. A first gas flows through the nozzle and then into and through the fuel rod. The pressure is sensed and compared with a standardized pressure to determine any excess back pressure in the nozzle indicating an obstruction present therein.
    Type: Grant
    Filed: May 17, 1989
    Date of Patent: January 18, 1994
    Assignee: Westinghouse Electric Corp.
    Inventor: Denis Yeo