Anti-vibratory suspension device for a helicopter

Details Anti-vibratory suspension device for a helicopter Anti-vibratory suspension device for a helicopter

1982-04-01

1984-07-10

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

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

416500, 248638, B64C 2704

Patent

active

044588615

ABSTRACT:
The invention relates to a suspension device for the main transmission box of a helicopter, comprising two flexible bars which are fixed centrally at the bottom of the transmission box and are supported by articulated joints at strong points of the fuselage and which carry swinging weights at their ends. An articulated rod connects the bottom of the transmission box and the fuselage.

REFERENCES:
patent: 3845917 (1974-11-01), Drees
patent: 3921940 (1975-11-01), Mouille
patent: 3972491 (1976-08-01), Ferris et al.
patent: 4140028 (1979-02-01), Desjardins
patent: 4372431 (1983-02-01), Desjardins
"Advanced Development of a Helicopter Rotor Isolation System for Improved Reliability", USAAMRDL-TR-77-23A, Dec. 1977, pp. 18, 30, 36, 35.

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