Patents by Inventor Jean-Francois Doualle

Jean-Francois Doualle 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).

  • Propulsion system for flying machine, particularly for a missile
    Patent number: 9169806
    Abstract: A propulsion system including: a booster; a turbojet engine; the booster including a chamber which is fixed to a rear casing of the turbojet engine by being arranged along the longitudinal axis thereof, which chamber includes at a rear a jet pipe and includes at least one charge and a mechanism initiating the charge; and gas bleed tubes connected to the booster and which are configured either for igniting the combustion chamber of the turbojet engine on for starting the turbine of the turbojet.
    Type: Grant
    Filed: September 8, 2011
    Date of Patent: October 27, 2015
    Assignees: MICROTURBO SA, MBDA France, ROXEL France
    Inventors: Gilles Aime Yann Guyader, Jean-Francois Rideau, Andre Pfiffer, Jean-Francois Doualle
  • PROPULSION SYSTEM FOR FLYING MACHINE, PARTICULARLY FOR A MISSILE
    Publication number: 20130269313
    Abstract: A propulsion system including: a booster; a turbojet engine; the booster including a chamber which is fixed to a rear casing of the turbojet engine by being arranged along the longitudinal axis thereof, which chamber includes at a rear a jet pipe and includes at least one charge and a mechanism initiating the charge; and gas bleed tubes connected to the booster and which are configured either for igniting the combustion chamber of the turbojet engine on for starting the turbine of the turbojet.
    Type: Application
    Filed: September 8, 2011
    Publication date: October 17, 2013
    Applicants: MICROTURBO, ROXEL France, MBDA France
    Inventors: Gilles Aime Yann Guyader, Jean-Francois Rideau, Andre Pfiffer, Jean-Francois Doualle