Patents by Inventor Fran.cedilla.ois G. Dhyser

Fran.cedilla.ois G. Dhyser 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).

  • System for balancing and damping a turbojet engine disk
    Patent number: 5582077
    Abstract: A rotor disk arrangement for a turbojet engine includes a balancing and damping system which has a ring having a circumferential surface recessed with housings and balance masses respectively positioned in the housings. A disk having a circumferential surface is provided which engages the circumferential surface of the ring. The circumferential surfaces are provided with a plurality of bayonet couplings, the couplings including a tenon and a groove engaged with the tenon. The groove includes a straight entrance portion which is substantially parallel to the axis of the engine and a crooked hind part which is substantially circumferentially positioned in the engine. In addition, a plurality of tongues are provided which are respectively inserted into the entrance portions of the grooves and fastened to the ring.
    Type: Grant
    Filed: February 23, 1995
    Date of Patent: December 10, 1996
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "Snecma"
    Inventors: Daniel A. Agram, Philippe Bodet, Fran.cedilla.ois G. Dhyser, Gerard D. Prigent