Patents by Inventor Nicolas Jeanvoine

Nicolas Jeanvoine 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).

  • Steam generator heating tube repair device and repair method
    Patent number: 9435481
    Abstract: A steam generator heating tube repair sleeve has an encircling flange, conical region, and a straight region. The encircling flange merges into a conical region that tapers on the outside in the direction of the other sleeve end and which is adjoined to the straight region. A steam generator heating tube repair method is used to repair a steam generator heating tube that is installed in a steam generator having a defective tube end. The method includes conical milling out of the defective tube end, inserting a steam generator heating tube repair sleeve into the conically milled-out defective tube end, rolling in the steam generator heating tube repair sleeve, and welding the flange region.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: September 6, 2016
    Assignee: Westinghouse Electric Germany GmbH
    Inventors: Robert Bienentreu, Nicolas Jeanvoine
  • Steam Generator Heating Tube Repair Device and Repair Method
    Publication number: 20130199462
    Abstract: A steam generator heating tube repair sleeve has an encircling flange, conical region, and a straight region. The encircling flange merges into a conical region that tapers on the outside in the direction of the other sleeve end and which is adjoined to the straight region. A steam generator heating tube repair method is used to repair a steam generator heating tube that is installed in a steam generator having a defective tube end. The method includes conical milling out of the defective tube end, inserting a steam generator heating tube repair sleeve into the conically milled-out defective tube end, rolling in the steam generator heating tube repair sleeve, and welding the flange region.
    Type: Application
    Filed: December 17, 2012
    Publication date: August 8, 2013
    Applicant: Westinghouse Electric Germany GmbH
    Inventors: Robert Bienentreu, Nicolas Jeanvoine