Patents by Inventor Max Jean-Pierre Calabro

Max Jean-Pierre Calabro 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).

  • Device for varying the thrust of a propulsion system using a solid propellant
    Patent number: 4777795
    Abstract: The device comprises, at the outlet of the combustion chamber 3, a movable assembly comprising a hollow closure member 26 constituting a needle 27, a thermal shield 22 and an annular piston 14. This closure member acts as a piston under the effect of the pressure of the gases and drives the annular piston so as to expel a hydraulic fluid from a jack chamber 33 having an adjustable outlet 34. The closure member 26 defines a chamber 28 for calming the gases.
    Type: Grant
    Filed: February 18, 1987
    Date of Patent: October 18, 1988
    Assignee: Aerospatiale Societe Nationale Industrielle
    Inventors: Alain M. Le Corre, Max Jean-Pierre Calabro, Gilles B. Vigier, Patrick Comtesse, Jean-Francois Beau