Impedance matches mass damper

Details Impedance matches mass damper Impedance matches mass damper

1990-01-16

1992-07-07

Oberleitner, Robert J.

Brakes

Inertia of damping mass dissipates motion

Resiliently supported damping mass

188268, F16F 930

Patent

active

051274981

ABSTRACT:
Damping structural vibrations by applying a multiplicity of discrete untuned passive dampers to a structure. Each passive damper includes a damping element and a damping mass, and the damping element provides damping generally in proportion to the relative velocity occurring between the mass and a point of attachment of the damper to the structure. The damping coefficients of the damping elements are selected so that the dampers increase the effective loss factor of the structure. The passive dampers each have a damping mass which is supported such that the dampers experience an undamped natural frequency below the resonant frequencies and the frequency range of the structure.

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patent: 4924976 (1990-05-01), Bernett

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