Patents by Inventor Renaud Barreteau

Renaud Barreteau 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).

  • Acoustic panel for an ejector nozzle
    Patent number: 8640825
    Abstract: The invention relates to an acoustic panel (20) for an ejector nozzle (10) comprising the following main components: an external skin (22) containing acoustic holes (29); an internal skin (23); an acoustic structure (21) comprising alveolar-core cells (27) between the internal skin (23) and the external skin (22). At least one main component selected from the external skin (22), the internal skin (23) and the acoustic structure (21) is formed by a composite material and the acoustic structure (21) is held in contact with either or both of the internal (23) and external (22) skins by compression by elastic means and/or by fixing by mechanical fixing means (24). The invention also relates to an injector nozzle (10) and a nacelle (1) comprising such an acoustic panel (20).
    Type: Grant
    Filed: May 14, 2009
    Date of Patent: February 4, 2014
    Assignee: Aircelle
    Inventors: Guy Bernard Vauchel, Emmanuel Drevon, Patrick Gonidec, Guillaume Ruckert, Eric Conete, Renaud Barreteau
  • ACOUSTIC PANEL FOR AN EJECTOR NOZZLE
    Publication number: 20110108357
    Abstract: The invention relates to an acoustic panel (20) for an ejector nozzle (10) comprising the following main components: an external skin (22) containing acoustic holes (29); an internal skin (23); an acoustic structure (21) comprising alveolar-core cells (27) between the internal skin (23) and the external skin (22). At least one main component selected from the external skin (22), the internal skin (23) and the acoustic structure (21) is formed by a composite material and the acoustic structure (21) is held in contact with either or both of the internal (23) and external (22) skins by compression by elastic means and/or by fixing by mechanical fixing means (24). The invention also relates to an injector nozzle (10) and a nacelle (1) comprising such an acoustic panel (20).
    Type: Application
    Filed: May 14, 2009
    Publication date: May 12, 2011
    Applicants: AIRCELLE, SNECMA PROPULSION SOLIDE
    Inventors: Guy Bernard Vauchel, Emmanuel Drevon, Patrick Gonidec, Guillaume Ruckert, Eric Conete, Renaud Barreteau