Six axis vibration isolation system

Details Six axis vibration isolation system Six axis vibration isolation system

1979-11-05

1983-02-08

Reger, Duane A.

Brakes

Inertia of damping mass dissipates motion

Resiliently supported damping mass

244 1727, F16F 710

Patent

active

043724310

ABSTRACT:
A six axis vibration isolation system, which includes four bi-directional vibration isolators, each having a spring arm and an inertia arm which extend along a longitudinal axis between a body and a vibrating mass. The spring arm is pivotally attached to the body by a spherical bearing, and the inertia arm is pivotally attached to both the body and the vibrating mass by spherical bearings, which allow the vibration isolator to attenuate vibrations in any direction orthogonal to its longitudinal axis. The four isolators are symmetrically disposed about the vertical, or yaw axis of the body, with each pair of diametrically opposite isolators having horizontally disposed, parallel axes which are orthogonal to the horizontal parallel axes of the other pair of isolators, with each pair of isolators extending in opposite directions, and with the fuselage pivot points of the inertia arms of all four isolators being equidistant from the yaw axis, to isolate the body from linear vibratory forces in three mutually orthogonal directions and from vibratory moments about three mutually orthogonal axes.

REFERENCES:
patent: 3921940 (1975-11-01), Mouille
patent: 4088042 (1978-05-01), Desjardins et al.
Advanced Development of a Helicopter Rotor Isolation System for Improved Reliability, vol, 1, Kaman Aero. Corp., Dec. 1977, pp. 28-37.

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