Auxiliary mass damper for slender flexible element subject to vi

Details Auxiliary mass damper for slender flexible element subject to vi Auxiliary mass damper for slender flexible element subject to vi

1989-06-01

1991-06-04

Butler, Douglas C.

Brakes

Inertia of damping mass dissipates motion

188268, 267136, F16F 710

Patent

active

050206443

ABSTRACT:
Structures subject to seismic or other vibrations, such as structurally flexible elements of electrical and mechanical power plants, are effectively damped to reduce stresses resulting from such vibrations, by a system of auxiliary mass dampers. The dampers are advantageously connected to the regions of greater expected oscillation in response to such vibrations, to reduce structural stresses. A preferred auxiliary mass damper takes the form of a receptacle containing a fluent or granular material such as lead birdshot in mineral oil.

REFERENCES:
patent: 1995620 (1935-03-01), Monroe
patent: 2417347 (1947-03-01), Brown
patent: 2732040 (1956-01-01), DeVost et al.
patent: 2816752 (1957-12-01), Stene
patent: 3938625 (1976-02-01), Radermacher et al.
patent: 4350233 (1982-09-01), Buckley
patent: 4858738 (1989-08-01), Novoa

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