FIELD: aviation.
SUBSTANCE: invention relates to the field of aviation, in particular to the designs of helicopter transmissions. Helicopter contains a rotor, fuselage, transmission unit, functionally connected with the rotor, supporting the body, which supports the transmission unit and the limiting means inserted between the supporting body and the fuselage. Restrictive means, in turn, contains a transverse element connected in a fixed manner relative to the supporting body, having a first plane of installation. Transverse element is formed by a partially metallic material and a partially viscoelastic material.
EFFECT: it provides the possibility of obtaining limiting devices that are adapted to withstand static load caused by the reactive moment, and having an optimal size to limit the transmission of noise and/or vibration to the cabin and the fuselage.
10 cl, 11 dwg
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