Patents by Inventor Gregor Munsterjohann

Gregor Munsterjohann 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).

  • Connecting device for connecting a guide tube to a lower end nozzle in a nuclear fuel assembly
    Patent number: 10102931
    Abstract: A connecting device including a nut, a screw, a body having a bore for screwing the screw to the nut through the bore with the screw abutting an abutment surface of the body, a screw locking device for preventing loosening of the screw. According to one aspect of the invention, the locking device is adapted for axially retaining the screw into the body after unscrewing the screw.
    Type: Grant
    Filed: September 14, 2009
    Date of Patent: October 16, 2018
    Assignee: AREVA NP
    Inventors: Erhard Friedrich, Gregor Munsterjohann, Bernd Block
  • 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
  • CONNECTING DEVICE FOR CONNECTING A GUIDE TUBE TO A LOWER END NOZZLE IN A NUCLEAR FUEL ASSEMBLY
    Publication number: 20110261920
    Abstract: A connecting device including a nut, a screw, a body having a bore for screwing the screw to the nut through the bore with the screw abutting an abutment surface of the body, a screw locking device for preventing loosening of the screw. According to one aspect of the invention, the locking device is adapted for axially retaining the screw into the body after unscrewing the screw.
    Type: Application
    Filed: September 14, 2009
    Publication date: October 27, 2011
    Applicant: AREVA NP
    Inventors: Erhard Friedrich, Gregor Munsterjohann, Bernd Block
  • 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