Patents by Inventor Sébastien Dunaud

Sébastien Dunaud 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 for manufacturing a turbomachine composite part
    Patent number: 11247416
    Abstract: Methods for manufacturing a turbomachine composite part, such as a fan blade, are provided. The composite part has a fibrous structure with a three-dimensional fibrous preform coated with a surface fibrous web, and which is embedded in a polymer matrix The methods include: forming the surface web in a cavity of a mold in order to shape it, wetting and forming the preform on the surface web in order to shape it, and closing the mold, drying the fibrous structure, and injecting thermosetting resin into the mold in order to form said polymer matrix. The surface web is wetted before and/or during the forming thereof.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: February 15, 2022
    Assignee: SAFRAN
    Inventors: Sébastien Dunaud, Dominique Marie Christian Coupe, Olivier Foussard, Didier Payen, Adrien Touze
  • METHOD FOR MANUFACTURING A TURBOMACHINE COMPOSITE PART
    Publication number: 20210339485
    Abstract: Methods for manufacturing a turbomachine composite part, such as a fan blade, are provided. The composite part has a fibrous structure with a three-dimensional fibrous preform coated with a surface fibrous web, and which is embedded in a polymer matrix The methods include: forming the surface web in a cavity of a mold in order to shape it, wetting and forming the preform on the surface web in order to shape it, and closing the mold, drying the fibrous structure, and injecting thermosetting resin into the mold in order to form said polymer matrix. The surface web is wetted before and/or during the forming thereof.
    Type: Application
    Filed: August 23, 2019
    Publication date: November 4, 2021
    Applicant: SAFRAN
    Inventors: Sébastien Dunaud, Dominique Marie Christian Coupe, Olivier Foussard, Didier Payen, Adrien Touze