Patents by Inventor Benoit Philippe Armand Petijean

Benoit Philippe Armand Petijean 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).

  • Serrated noise reducer for a wind turbine rotor blade
    Patent number: 10767623
    Abstract: A rotor blade assembly for a wind turbine. The rotor blade assembly includes a rotor blade having surfaces defining a pressure side, a suction side, a leading edge, and a trailing edge extending between a blade tip and a blade root. The rotor blade assembly also includes at least one noise reducer secured at the trailing edge. The noise reducer(s) includes at least one serration having a base portion and at least one side edge feature extending from the base portion. Further, the base portion extends along a first plane. The side edge feature(s) extends out of the first plane so as to reduce vortices generated by the serration(s).
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: September 8, 2020
    Assignee: General Electric Company
    Inventors: Guannan Wang, Benoit Philippe Armand Petijean, Roger Drobietz