Coulome friction noise and vibration damping

Details Coulome friction noise and vibration damping Coulome friction noise and vibration damping

1983-02-28

1985-05-14

Hix, L. T.

Acoustics

Sound-modifying means

Mechanical vibration attenuator

173139, 408143, 409141, 82DIG9, 181296, F16F 1500

Patent

active

045166587

ABSTRACT:
A technique for reducing noise generated by transverse vibrations in elongated members comprises the application of a friction element on a surface of the member. The friction element is forced against one or more surfaces of the member by a selected normal force and is provided in a vicinity of maximum distortion of the member when the member undergoes vibrations. A differential movement between the inner surface of the friction element and the outer surface of the member causes heat to be generated which dissipates the energy of such transverse vibrations.

REFERENCES:
patent: 780332 (1905-01-01), Forshee
patent: 1975918 (1934-10-01), Berg
patent: 2541156 (1951-02-01), Geiger
patent: 2764136 (1956-09-01), Gadd
patent: 4023651 (1977-05-01), Healiss

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