Patents Assigned to Societe Nationale d'Etude et de Construction de Moterus D'Aviation S.N.E.C.M.A.
  • Procedure for the fabrication of crystalline blades
    Patent number: 5611389
    Abstract: The method for the fabrication of a crystalline blade comprised of two shoulders enclosing an airfoil form which comprises arranging the shells of a mold in a manner such that the shoulders are parallel to the plane of a grain selection baffle that empties into a junction that moves the grain to the two shoulders, and feeding the mold through gates at the upper ends of the shoulders.
    Type: Grant
    Filed: December 30, 1981
    Date of Patent: March 18, 1997
    Assignee: Societe Nationale d'Etude et de Construction de Moterus D'Aviation S.N.E.C.M.A.
    Inventors: Martial G. Alessandri, Jean-Marc Theret