Patents by Inventor Bertrand DOAT

Bertrand DOAT 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).

  • Acoustic resonator for fan
    Patent number: 11815285
    Abstract: An acoustic resonator for a fan includes an annular shape internal volume defining by a housing, housing and internal volume are coaxial relative to the longitudinal axle of the acoustic resonator, internal volume comprises at least one coaxial helical channel, the at least one coaxial channel comprise an inlet and outlet corresponding to inlet and outlet of the acoustic resonator characterized in that the acoustic resonator comprises adjusting means provide for modified the length between inlet and outlet of the acoustic resonator according an acoustic frequency to lower noise.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: November 14, 2023
    Assignee: VOLVO TRUCK CORPORATION
    Inventors: Bertrand Doat, Alexandre Cano
  • ACOUSTIC RESONATOR FOR FAN
    Publication number: 20220120469
    Abstract: An acoustic resonator for a fan includes an annular shape internal volume defining by a housing, housing and internal volume are coaxial relative to the longitudinal axle of the acoustic resonator, internal volume comprises at least one coaxial helical channel, the at least one coaxial channel comprise an inlet and outlet corresponding to inlet and outlet of the acoustic resonator characterized in that the acoustic resonator comprises adjusting means provide for modified the length between inlet and outlet of the acoustic resonator according an acoustic frequency to lower noise.
    Type: Application
    Filed: October 15, 2021
    Publication date: April 21, 2022
    Applicant: VOLVO TRUCK CORPORATION
    Inventors: Bertrand DOAT, Alexandre CANO