FLUID-FILLED VIBRATION-DAMPING DEVICE OF MULTIDIRECTIONAL VIBRATION-DAMPING TYPE
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United States of America Patent
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N/A
Issued Date -
Oct 4, 2012
app pub date -
Feb 2, 2012
filing date -
Mar 28, 2011
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A fluid-filled vibration-damping device of multidirectional vibration-damping type including: a first mounting member; a second mounting member; a main rubber elastic body connecting the two mounting members; a pressure-receiving fluid chamber; an equilibrium fluid chamber; a first orifice passage interconnecting the two fluid chambers; a plurality of outer peripheral fluid chambers situated on an outer peripheral side of the main rubber elastic body; a second orifice passage interconnecting the outer peripheral fluid chambers; and an intermediate sleeve affixed to the main rubber elastic body. The intermediate sleeve and the second mounting member each include a step portion at an axially medial section thereof, and are mated and fixed to each other at opposite sides of the corresponding step portion. The two step portions are opposed to each other in an axial direction so that the second orifice passage is formed between axially opposed faces of the step portions.
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