Patents by Inventor Didier G. Zietek

Didier G. Zietek 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).

  • Retractable damping device for blades of a turbojet
    Patent number: 4516910
    Abstract: A retractable damping device for the blades of a turbojet, located between two consecutive blades against the lower face of the platforms of said blades. The damping element, mounted to rotate by one of its ends in the middle part of the space formed between the blades and a rotor disk positioned along an axis perpendicular to a radial axis of the disk, exhibits an upper part which constitutes a projecting dihedral that takes the form of the protruding dihedral consisting of the platforms of the two consecutive blades under the action of centrifugal force.
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: May 14, 1985
    Assignee: S.N.E.C.M.A.
    Inventors: Jean G. Bouiller, Jean-Claude L. Delonge, Marcel L. A. Rigo, Didier G. Zietek