Patents by Inventor Béatrice BOURGETEAU

Béatrice BOURGETEAU 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).

  • Mechanical resonator optimised to operate in a fluid
    Patent number: 10809230
    Abstract: A resonator includes a prong of which the width between edges is close to ?/2. The pressure variation at one edge is then in phase opposition with that at the other edge. Acoustic coupling with an incident wave having the wavelength is thus improved. The ratio between the width between edges and the height of the prong is chosen so that only the fundamental mode with bending oscillation of the prong is present. It to prongs of a tuning fork embedded in a solid shared base optimized to contain the energy in the tuning fork while avoiding energy losses in the support. Finally, the tuning fork is advantageously combined with a unit for containing acoustic energy including a rigid reflecting screen.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: October 20, 2020
    Assignee: OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AÉROSPATIALES
    Inventors: Guillaume Aoust, Béatrice Bourgeteau, Raphaël Levy, Olivier Le Traon, Denis Janiaud
  • MECHANICAL RESONATOR OPTIMISED TO OPERATE IN A FLUID
    Publication number: 20190162701
    Abstract: A resonator includes a prong of which the width between edges is close to ?/2. The pressure variation at one edge is then in phase opposition with that at the other edge. Acoustic coupling with an incident wave having the wavelength is thus improved. The ratio between the width between edges and the height of the prong is chosen so that only the fundamental mode with bending oscillation of the prong is present. It to prongs of a tuning fork embedded in a solid shared base optimized to contain the energy in the tuning fork while avoiding energy losses in the support. Finally, the tuning fork is advantageously combined with a unit for containing acoustic energy including a rigid reflecting screen.
    Type: Application
    Filed: July 6, 2017
    Publication date: May 30, 2019
    Inventors: Guillaume AOUST, Béatrice BOURGETEAU, Raphaël LEVY, Olivier LE TRAON, Denis JANIAUD