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.
HELICOPTER WITH NOISE AND VIBRATION DAMPING TRANSMISSION MOUNTING
HÉLICOPTÈRE DOTÉ D'UNE MONTURE DE TRANSMISSION D'ABSORPTION DU BRUIT ET DES VIBRATIONS
2016-01-07
Patent
Electronic Resource
English
IPC: | B64C AEROPLANES , Flugzeuge |
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