A helicopter (1) is described that comprises: a rotor (3); a fuselage (2); a drive transmission unit (7) operatively connected to the rotor (3); a support body (14), which supports the transmission unit (7); and constraining means (21) interposed between the support body (14) and the fuselage (2); the constraining means (21) in turn comprise a crosspiece (21) connected in a fixed manner with respect to the support body (14) and having a first lying plane (P); the crosspiece (21) is formed in part by a metallic material and in part by a visco-elastic material.

    L'invention concerne un hélicoptère (1) qui comprend : un rotor (3) ; un fuselage (2) ; une unité de transmission d'entraînement (7) reliée de façon opérationnelle au rotor (3) ; un corps de soutien (14), qui soutient l'unité de transmission (7) ; et un moyen de contrainte (21) interposé entre le corps de soutien (14) et le fuselage (2) ; le moyen de contrainte (21) comprend successivement une traverse (21) reliée d'une manière fixe par rapport au corps de soutien (14) et possédant un premier plan horizontal (P) ; la traverse (21) est formée en partie par un matériau métallique et en partie par un matériau viscoélastique.


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    Title :

    HELICOPTER WITH NOISE AND VIBRATION DAMPING TRANSMISSION MOUNTING


    Additional title:

    HÉLICOPTÈRE DOTÉ D'UNE MONTURE DE TRANSMISSION D'ABSORPTION DU BRUIT ET DES VIBRATIONS



    Publication date :

    2016-01-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64C AEROPLANES , Flugzeuge



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