Patents Assigned to Societe Nationale d'Etude et de Construction de Moteurs d'Aviaton S.N.E.C.M.A.
  • Turbojet engine with fan rotor blades having tip clearance
    Patent number: 4957411
    Abstract: In a turbojet engine of the kind having a fan, the face of the radially outer tip of each rotor blade of the fan has a radiussed profile centered at a point R situated in a position displaced on the concavely curved side of the blade relative to its radial axis and beyond the rotational axis of the engine relative to the blade.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: September 18, 1990
    Assignee: Societe Nationale d'Etude et de Construction de Moteurs d'Aviaton S.N.E.C.M.A.
    Inventor: Patrick L. E. Girault