Patents by Inventor Jean Thepenier

Jean Thepenier 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).

  • Solid propellant charge for a propulsion unit and propulsion unit equipped with such a charge
    Patent number: 6148610
    Abstract: A solid propellant charge for a propulsion unit (1). The latter includes a casing (2) containing the solid propellant charge (3), in the form of an elongated body having a longitudinal axis (X--X), which charge (3) has, over part of its longitudinal extent, a propellant charge profile (4) of large combustion area and is subdivided, along the longitudinal axis (X--X), into at least two segments abutting one another with their respective mutually confronting faces. The propulsion unit furthermore includes a nozzle (5) and means (6) for igniting said charge. The propellant charge profile (4) of large combustion area is provided in that part of the propellant charge (3) which is intermediate along the longitudinal axis (X--X).
    Type: Grant
    Filed: June 16, 1998
    Date of Patent: November 21, 2000
    Assignees: Aerospatiale Societe Nationale Industrielle, Societe Nationale des Poudres et Explosifs
    Inventors: Max Calabro, Jean Thepenier