Patents by Inventor Julien FRAENZEL

Julien FRAENZEL 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).

  • Method of monitoring at least one freewheel of a rotary wing aircraft, and an aircraft
    Patent number: 10017268
    Abstract: A method of monitoring a first freewheel interposed between a first drive shaft of a first engine and a rotor. The state of operation of said first freewheel is correct if the first inlet speed of rotation of the first drive shaft lies in a second range of values corresponding to the current stage of operation while the outlet speed of rotation of the rotor lies in a first range of values corresponding to the current stage of operation.
    Type: Grant
    Filed: March 15, 2017
    Date of Patent: July 10, 2018
    Assignee: AIRBUS HELICOPTERS
    Inventor: Julien Fraenzel
  • METHOD OF MONITORING AT LEAST ONE FREEWHEEL OF A ROTARY WING AIRCRAFT, AND AN AIRCRAFT
    Publication number: 20170267364
    Abstract: A method of monitoring a first freewheel interposed between a first drive shaft of a first engine and a rotor. The state of operation of said first freewheel is correct if the first inlet speed of rotation of the first drive shaft lies in a second range of values corresponding to the current stage of operation while the outlet speed of rotation of the rotor lies in a first range of values corresponding to the current stage of operation.
    Type: Application
    Filed: March 15, 2017
    Publication date: September 21, 2017
    Applicant: AIRBUS HELICOPTERS
    Inventor: Julien FRAENZEL