Patents Assigned to Tennesse Valley Authority
  • Patent number: 4959192
    Abstract: The present invention relates to a system, teaches a technique, and provides apparatus eminently useful for the installation/removal, from a remote and protected location, of nozzle dams onto and from nozzle holddown rings within the channel heads of certain steam generators, including the types typically used in conjunction with the operation of pressurized hot-water nuclear power plants.
    Type: Grant
    Filed: June 13, 1989
    Date of Patent: September 25, 1990
    Assignee: Tennesse Valley Authority
    Inventors: Mark H. Trundle, William C. Jones