Hydroelastic fluids for fluid filled elastomeric damping devices
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United States of America Patent
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Sep 15, 2015
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app pub date -
Sep 9, 2013
filing date -
Mar 15, 2013
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Abstract
A vibration damping device has a first support member and a second support member. A first component and a second component are disposed between the first support member and the second support member to define a first fluid chamber and a second fluid chamber. A channel extends between the first and second chambers. During compression and extension of the vibration damping device, fluid transfers between the first and second chamber to provide a damping force for the vibration damping device. The fluid within the chambers of the vibration damping device has a fluid density in the range of 1.25 g/cm3 to 2.2 g/cm3, a fluid viscosity below 10 cSt @ 20° C. and a fluid surface tension below 40 dynes @ 20° C.
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