Sheet molding compound damper component, and methods for making and using the same
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United States of America Patent
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Feb 6, 2007
Grant Date -
May 5, 2005
app pub date -
Nov 3, 2003
filing date -
Nov 3, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A damper component for absorbing and dissipating vibration and/or noise resonating from a device is provided. The damper component includes a viscoelastic damper layer, and a continuous constraining layer intimately contacting and encasing the damper layer. The constraining layer has a greater stiffness and higher modulus of dynamic shearing elasticity than the damper layer. The constraining layer is a molded sheet molding compound that is substantially immiscible with the viscoelastomer to provide a discrete interface between the constraining layer and the damper layer.
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