Patents by Inventor David H. Field

David H. Field 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).

  • Cruciform skeleton and water cross for a BWR fuel assembly
    Patent number: 4626405
    Abstract: A water cross for delivering non-boiling water to the center of a BWR fuel assembly for improved moderation and fuel economy. A cruciform skeleton is assembled from grid straps and connecting straps positioned at axial locations along stiffening rods. The skeleton is inserted into a flow channel to provide support for rectangular or square water tubes which are inserted through the skeleton into the flow channel to form an internal water cross. A method for forming a water cross is also disclosed.
    Type: Grant
    Filed: February 28, 1984
    Date of Patent: December 2, 1986
    Assignee: Westinghouse Electric Corp.
    Inventors: David H. Field, William E. Kirby, Theodore W. Nylund