Multi-frequency vibration controller using fluid-filled cantilev

Details Multi-frequency vibration controller using fluid-filled cantilev Multi-frequency vibration controller using fluid-filled cantilev

1981-08-17

1984-09-04

Zache, Raulfe B.

Boots, shoes, and leggings

364509, 364463, 73570, 73579, 73583, 416500, 1883225, G06F 1550, G06F 1531, G05B 1502, G01G 3142

Patent

active

044701217

ABSTRACT:
A variable frequency vibration controller includes a cantilever beam supported from the vibration prone structure whose vibrations are to be controlled. The cantilever beam has selectively shaped hollow interior portions into which fluid can be selectively injected or withdrawn to vary the total mass of the cantilever beam. The cantilever beam natural frequency is thus tuned to match or selectively mismatch the frequency at which the vibration prone structure is vibrating. Thereby, the beam is used to optimally absorb or excite the vibrations of the structure.

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