Simplified anti-resonant suspension device for a helicopter

Details Simplified anti-resonant suspension device for a helicopter Simplified anti-resonant suspension device for a helicopter

1982-01-28

1984-02-14

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

Helicopter or auto-rotating wing sustained, i.e., gyroplanes

244 1725, 416500, B64C 2751

Patent

active

044311486

ABSTRACT:
The subject of the invention is a suspension device for a helicopter, intended for reducing the vibrations caused by its rotor. The main transmission box of the rotor is supported at the top by a set of oblique articulated bars and is bolted at its bottom to a diaphragm made of thin sheet metal, which can be deformed by bending, but not by shearing in its plane. Flexible arms arranged radially and supported by fixed mountings are articulated to the foot of the oblique bars and to the bottom of the transmission box; they each carry, at the end of a lever, a swinging weight acting by the effect of inertia.

REFERENCES:
patent: 3920202 (1975-11-01), Mouille
patent: 3921940 (1975-11-01), Mouille

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