Dry friction damper with damping force perpendicular to principa

Details Dry friction damper with damping force perpendicular to principa Dry friction damper with damping force perpendicular to principa

1986-12-10

1988-08-23

Fuller, Benjamin R.

Acoustics

Sound-modifying means

Mechanical vibration attenuator

181208, F16F 1500

Patent

active

047654368

ABSTRACT:
In a body subject to a cyclic energy of such a nature as to cause the body to mechanically vibrate with a principal motion in a first direction, a dry friction damper has a first sliding element fixed to the body, the first sliding element having a first rigid dry sliding surface extending in a second direction having a component perpendicular to the first direction. A second stationary element has a second rigid dry sliding surface extending in the second direction. A normal force is applied between the first and second surfaces, resulting in damping of vibrations by dry friction damping.

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"Structural Damping by Slip in Joints", L. Jezequel, Journal of Vibration, Acoustics, Stress and Reliability in Design, vol. 105, Oct. 1983.
"Forced Response of a Contilever Beam with a Dry Friction Damper Attached," (Part I: Theory and Part II: Experiment) by E. H. Dowell & H. B. Schwartz, pp. 255-267; 269-291 of Journal of Sound and Vibration, 1983, vol. 91.

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