Patents by Inventor Franz Josef Fraundorfer

Franz Josef Fraundorfer 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).

  • Fuel element for a light water reactor, and method for repairing the fuel element
    Patent number: 8571168
    Abstract: A fuel assembly for a light water reactor contains a fuel rod cluster and a spacer that has a number of cells, bounded by webs for laterally holding fuel rods. A damaged region including at least one damaged cell is present in an edge region of a spacer. There being fastened above or below the damaged region on the spacer with the aid of at least one connecting part is a replacement assembly that contains at least a number of cells that corresponds to the number of the damaged cells, at least a portion of the cells being traversed by fuel rods. A method for repairing the light water reactor fuel assembly in the case of which fixed above or below the damaged region on the spacer is a replacement assembly that takes over the holding function at least of one defective cell.
    Type: Grant
    Filed: August 31, 2007
    Date of Patent: October 29, 2013
    Assignee: Areva GmbH
    Inventors: Franz Josef Fraundorfer, Gregor Münsterjohann, Erhard Friedrich
  • Fuel Element for a Light Water Reactor, And Method for Repairing the Fuel Element
    Publication number: 20080056428
    Abstract: A fuel assembly for a light water reactor contains a fuel rod cluster and a spacer that has a number of cells, bounded by webs for laterally holding fuel rods. A damaged region including at least one damaged cell is present in an edge region of a spacer. There being fastened above or below the damaged region on the spacer with the aid of at least one connecting part is a replacement assembly that contains at least a number of cells that corresponds to the number of the damaged cells, at least a portion of the cells being traversed by fuel rods. A method for repairing the light water reactor fuel assembly in the case of which fixed above or below the damaged region on the spacer is a replacement assembly that takes over the holding function at least of one defective cell.
    Type: Application
    Filed: August 31, 2007
    Publication date: March 6, 2008
    Applicant: AREVA NP GMBH
    Inventors: Franz Josef Fraundorfer, Gregor Munsterjohann, Erhard Friedrich