Liquid enclosing type vibration isolating apparatus
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United States of America Patent
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May 22, 2012
Grant Date -
May 28, 2009
app pub date -
Nov 13, 2008
filing date -
Nov 28, 2007
priority date (Note) -
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Abstract
To provide a liquid enclosing type vibration isolating apparatus capable of achieving two resonance characteristics by one orifice path, in a liquid enclosing type vibration isolating apparatus including a main liquid chamber a portion of a chamber wall of which is constituted by a vibration isolating base member, an auxiliary liquid chamber a portion of a chamber wall of which is constituted by a first diaphragm 18, and an orifice path for communicating the main liquid chamber and the auxiliary liquid chamber, an orifice member forming the orifice path is provided with a partition wall for partitioning the orifice path and the auxiliary liquid chamber, and a portion of the partition wall is constituted by a second diaphragm constituted by a flexible rubber-like elastic film facing the auxiliary liquid chamber.
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