Device using compressible fluid as switchable fluid spring for shock and vibration isolation and mitigation
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United States of America Patent
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Dec 4, 2001
Grant Date -
N/A
app pub date -
Nov 12, 1999
filing date -
Nov 12, 1999
priority date (Note) -
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Abstract
Apparatus is disclosed for protecting a structural object from the potentially harmful effects of a cyclic event such as an earthquake or high wind loads. A fluid spring is employed to stiffen the structural object and absorb kinetic energy stored by the spring. Fluid from the spring is exchanged with an accumulator where kinetic energy is dissipated as heat. A flow circuit regulates the exchange of fluid between the spring chamber and the accumulator chamber under controlled conditions to absorb the harmful effects of high external loads and to release the structural object when a high shock load is experienced.
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