FLUID-FILLED ACTIVE ENGINE MOUNT
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United States of America Patent
Stats
-
N/A
Issued Date -
May 5, 2011
app pub date -
Sep 30, 2010
filing date -
Oct 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In an active fluid-filled engine mount, a oscillation member is excited and displaced by an electromagnetic actuator, and thereby pressure in a pressure receiving chamber is actively controlled. A short circuit passage is provided connecting the pressure receiving chamber and an equilibrium chamber. A ratio of a passage cross-sectional area and a passage length of the short circuit passage (a/l) is provided greater than a ratio of a passage cross-sectional area and a passage length of the first orifice passage (A/L) (A/L
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