Patents by Inventor Christelle Lea Branchet-Cohen

Christelle Lea Branchet-Cohen 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).

  • Arrangement of an oblique-contact seal in a trapezoidal groove
    Patent number: 9671021
    Abstract: An arrangement of a biconical annular seal having a laid down V shaped cross-section, in an annular groove having a trapezoid shaped cross-section, a small base of the trapezoid corresponding to a cylindrical bottom of the groove and being radially inwardly open at a great base of the trapezoid. The seal includes a radially outer annular heel and two generally conical annular wings extending radially inwardly from the heel, an inner radial end of each wing being axially bearing against an associated wall of the groove. The seal is mounted in the groove such that the heel of the seal is located radially distal to a bottom of the groove.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: June 6, 2017
    Assignees: SNECMA, CENTRE NATIONAL D'ETUDES SPATIALES CNES
    Inventors: Christelle Lea Branchet-Cohen, Karine Sandra Christel Lenain
  • ARRANGEMENT OF AN OBLIQUE-CONTACT SEAL IN A TRAPEZOIDAL GROOVE
    Publication number: 20140252765
    Abstract: An arrangement of a biconical annular joint having a laid down V shaped cross-section, in an annular groove having a trapezium shaped cross-section, a small base of the trapezium corresponding to a cylindrical bottom of the groove and being radially inwardly open at a great base of the trapezium. The joint includes a radially outer annular heel and two generally conical annular wings extending radially inwardly from the heel, an inner radial end of each wing being axially bearing against an associated wall of the groove. The joint is mounted in the groove such that the heel of the joint is located radially distal to a bottom of the groove.
    Type: Application
    Filed: October 11, 2012
    Publication date: September 11, 2014
    Applicant: SNECMA
    Inventors: Christelle Lea Branchet-Cohen, Karine Sandra, Christel Lenain