Patents by Inventor André Chauvin

André Chauvin 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).

  • Branch connection stub, a branch connection device comprising a main pipe and said branch connection stub, and a method of connecting such a branch connection stub by welding
    Patent number: 7988202
    Abstract: A branch connection stub for connection to a main pipe. The branch connection stub presents an outside surface of revolution and has at least one axial internal passage, a rear segment with a fastener flange, an intermediate segment, and a front segment having a free end presenting a circular outline suitable for being mounting by plane welding around a circular opening in the wall of the main pipe. The intermediate segment includes a first wall and a second wall forming between them an acute angle towards the internal passage. The branch connection stub is applicable to a hot heat exchanger for rocket engines.
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: August 2, 2011
    Assignee: SNECMA
    Inventors: Bruno Bucher, Claude Pomies, André Chauvin, Philippe Beauverger
  • BRANCH CONNECTION STUB, A BRANCH CONNECTION DEVICE COMPRISING A MAIN PIPE AND SAID BRANCH CONNECTION STUB, AND A METHOD OF CONNECTING SUCH A BRANCH CONNECTION STUB BY WELDING
    Publication number: 20090224025
    Abstract: The invention relates to a branch connection stub for connection to a main pipe. The branch connection stub presents an outside surface of revolution and has at least one axial internal passage, a rear segment with a fastener flange, an intermediate segment, and a front segment having a free end presenting a circular outline suitable for being mounting by plane welding around a circular opening in the wall of the main pipe, said intermediate segment comprising a first wall and a second wall forming between them an acute angle towards the internal passage. The invention is applicable to a hot heat exchanger for rocket engines.
    Type: Application
    Filed: February 20, 2009
    Publication date: September 10, 2009
    Applicant: SNECMA
    Inventors: Bruno Bucher, Claude Pomies, Andre Chauvin, Philippe Beauverger