Vibration attenuating suspension system for rotary-wing aircraft

Details Vibration attenuating suspension system for rotary-wing aircraft Vibration attenuating suspension system for rotary-wing aircraft

1975-04-25

1977-03-29

Blix, Trygve M.

Aeronautics and astronautics

Aircraft, heavier-than-air

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

188 1B, 248358R, B64C 2700

Patent

active

040144844

ABSTRACT:
A suspension system is disclosed for reducing vibration between the rotor and the structure of a rotary-wing aircraft having a reduction-gear train coextensive with the shaft of the lift rotor. The housing of said gear train is supported by tie-rods and by a flexible beam having its mid-point attached to said housing and its extremities attached to the aircraft structure through the medium of flexible blocks. The beam may be made of metal or a composite material.

REFERENCES:
patent: 2615657 (1952-10-01), Young et al.
patent: 3078969 (1963-02-01), Campbell et al.
patent: 3118504 (1964-01-01), Cresap
patent: 3276762 (1966-10-01), Thomas
patent: 3502290 (1970-03-01), Legrand et al.
patent: 3858831 (1975-01-01), Halwes

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