Patents by Inventor Didier CHARTRAIN

Didier CHARTRAIN 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 unit with selective coupling means
    Patent number: 10662875
    Abstract: A propulsion unit, notably for an aircraft, including a turbomachine; a propeller that can be selectively coupled to the turbomachine; a rotary electrical machine able to drive at least the turbomachine, and selective coupling of the rotary electric machine to the propeller and/or the turbomachine that is able to couple only the propeller to the rotary electrical machine during a defined stage of operation of the propulsion unit and that is able to couple or not couple the rotary electric machine to a gas generator and/or a free turbine of the turbomachine.
    Type: Grant
    Filed: November 24, 2015
    Date of Patent: May 26, 2020
    Assignee: SAFRAN HELICOPTER ENGINES
    Inventors: Olivier Lafargue, Didier Chartrain, Camel Serghine
  • PROPULSION UNIT WITH SELECTIVE COUPLING MEANS
    Publication number: 20170321601
    Abstract: A propulsion unit, notably for an aircraft, including a turbomachine; a propeller that can be selectively coupled to the turbomachine; a rotary electrical machine able to drive at least the turbomachine, and selective coupling of the rotary electric machine to the propeller and/or the turbomachine that is able to couple only the propeller to the rotary electrical machine during a defined stage of operation of the propulsion unit and that is able to couple or not couple the rotary electric machine to a gas generator and/or a free turbine of the turbomachine.
    Type: Application
    Filed: November 24, 2015
    Publication date: November 9, 2017
    Applicant: SAFRAN HELICOPTER ENGINES
    Inventors: Olivier LAFARGUE, Didier CHARTRAIN, Camel SERGHINE