Patents by Inventor Jean-Michel Jean-Francois Ville

Jean-Michel Jean-Francois Ville 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).

  • Multi-layer acoustic treatment panel
    Patent number: 9546602
    Abstract: A multilayer acoustic treatment panel including a first cellular-structure core sandwiched between a perforated skin and an intermediate skin; and a second cellular-structure core sandwiched between the intermediate skin and a continuous skin. The perforated skin includes at least one pair of high-porosity zones presenting a perforation ratio greater than a perforation ratio of a remainder of the perforated skin and including an inlet zone and an outlet zone longitudinally spaced apart from each other, the high-porosity zones of a given pair communicating through the first cellular-structure core and the intermediate skin with the two ends of a soundwave flow channel arranged in the second cellular-structure core.
    Type: Grant
    Filed: May 12, 2011
    Date of Patent: January 17, 2017
    Assignees: SNECMA, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE TECHNOLOGIE DE COMPIEGNE
    Inventors: Jacques Michel Albert Julliard, Jacky Novi Mardjono, Georges Jean Xavier Riou, Benjamin Andre Francois Poirier, Jean-Michel Jean-Francois Ville
  • MULTI-LAYER ACOUSTIC TREATMENT PANEL
    Publication number: 20130142624
    Abstract: A multilayer acoustic treatment panel including a first cellular-structure core sandwiched between a perforated skin and an intermediate skin; and a second cellular-structure core sandwiched between the intermediate skin and a continuous skin. The perforated skin includes at least one pair of high-porosity zones presenting a perforation ratio greater than a perforation ratio of a remainder of the perforated skin and including an inlet zone and an outlet zone longitudinally spaced apart from each other, the high-porosity zones of a given pair communicating through the first cellular-structure core and the intermediate skin with the two ends of a soundwave flow channel arranged in the second cellular-structure core.
    Type: Application
    Filed: May 12, 2011
    Publication date: June 6, 2013
    Applicants: SNECMA, UNIVERSITE DE TECHNOLOGIE DE COMPIEGNE, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
    Inventors: Jacques Michel Albert Julliard, Jacky Novi Mardjono, Georges Jean Xavier Riou, Benjamin Andre Francois Poirier, Jean-Michel Jean-Francois Ville