Patents Assigned to ECIA - Equipments Et Composants Pour L'Industrie Automoblie
  • Falciform blade for a propeller and its application in particular in motorized fans for automobiles
    Patent number: 4871298
    Abstract: The blade (10) for a propeller constituted by a hub (20) to which the feet (12) are fixed has a leading edge (14) and a trailing edge (15) which is formed by two arcs (152, 153) having respective mean radii of curvature (.rho.2, .rho.3) which are different and interconnected without an angular point. These edges are both curved in the downstream direction and define a blade which narrows from the axis to the periphery of the propeller. Application in propellers of motorized fans associated with automobile vehicles.
    Type: Grant
    Filed: July 8, 1988
    Date of Patent: October 3, 1989
    Assignee: ECIA - Equipments Et Composants Pour L'Industrie Automoblie
    Inventor: Jean C. Vera