DEVICE FOR DAMPENING VIBRATIONS OF HELICOPTER MAIN ROTOR BLADES Russian patent published in 1997 - IPC

Abstract RU 2077454 C1

FIELD: dampening vibrations of helicopter main rotor blades. SUBSTANCE: device is made in form of mechanical pendulums located on either side of blades at different distances from elastic center of cross section of blade spar; they are made in form of layers of different length with different weights at their ends at autonomous axes of oscillation; they are mounted in bracket on blade root at acute negative angle relative to blade chord. EFFECT: minimum mass of weights of reduced vibrations and loads in control. 4 dwg

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RU 2 077 454 C1

Authors

Voronkov A.Z.

Ganjushkin Ju.P.

Sobol' B.P.

Dates

1997-04-20—Published

1992-12-18—Filed