| 摘要 |
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<a/l). The passage cross-sectional area of the short circuit passage (a) is provided smaller than the passage cross-sectional area of the first orifice passage (A) (a<A).
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