Patents by Inventor Eric ROULAND

Eric ROULAND 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).

  • Aircraft electrical machine with improved heat transfer by means of a phase change material and associated method
    Patent number: 12424913
    Abstract: A method for protecting coils from excessive heating in an aircraft electrical machine comprising a stator and a rotor configured to be rotationally driven with respect to one another, the stator including a plurality of notches receiving one and the same plurality or otherwise of coils, the method including the following successive steps: inserting an electrical insulator into the notches or onto the teeth of the stator, installing the coils in the notches or on the teeth of the stator, casting a phase change material in the notches or on the teeth equipped with the coils, the electrical insulator forming a casting mold.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: September 23, 2025
    Assignees: SAFRAN HELICOPTER ENGINES, SAFRAN
    Inventors: Camel Serghine, Thomas Klonowski, Pierre Gabriel Marie Quinio, Sabrina Siham Ayat, Eric Rouland, Sébastien Yon, Albert Mutabazi
  • AIRCRAFT ELECTRICAL MACHINE WITH IMPROVED HEAT TRANSFER BY MEANS OF A PHASE CHANGE MATERIAL AND ASSOCIATED METHOD
    Publication number: 20230318416
    Abstract: A method for protecting coils from excessive heating in an aircraft electrical machine comprising a stator (12) and a rotor (14) configured to be rotationally driven with respect to one another, the stator including a plurality of notches (120) receiving one and the same plurality or otherwise of coils, the method including the following successive steps: inserting an electrical insulator (16) into the notches or onto the teeth of the stator, installing the coils (18) in the notches or on the teeth of the stator, casting a phase change material (20) in the notches or on the teeth equipped with the coils, the electrical insulator forming a casting mold.
    Type: Application
    Filed: August 13, 2021
    Publication date: October 5, 2023
    Applicants: SAFRAN HELICOPTER ENGINES, SAFRAN
    Inventors: Camel SERGHINE, Thomas KLONOWSKI, Pierre Gabriel Marie QUINIO, Sabrina Siham AYAT, Eric ROULAND, Sébastien YON, Albert MUTABAZI