Tuned spring-mass vibration absorber

Details Tuned spring-mass vibration absorber Tuned spring-mass vibration absorber

1978-06-07

1980-10-28

Kelmachter, Barry L.

Aeronautics and astronautics

Aircraft, heavier-than-air

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

188 1B, 248581, 248618, 248629, 267136, B64C 2704, F16F 1506

Patent

active

042302919

ABSTRACT:
A tuned spring-mass vibration absorber in which a dynamic mass is suspended from a vibrating support member, such as a helicopter fuselage, by a plurality of cantilevered leaf springs integrally connected to the dynamic mass at selected stations so that the mass CG and the spring center of force are coincident, so that the springs are shaped to constitute a substantial part of the vibration absorber effective mass, and so that the springs are pivotally connected to the support member so as to impart no moments thereto.

REFERENCES:
patent: 3066905 (1962-12-01), Gertel

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