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    • 7. 发明申请
    • Fluid-filled cylindrical vibration-damping device
    • 流体填充圆柱形减振装置
    • US20090200719A1
    • 2009-08-13
    • US12320925
    • 2009-02-09
    • Kazuhiko KatoTakashi Kume
    • Kazuhiko KatoTakashi Kume
    • F16F13/00
    • F16F13/1427
    • A fluid filled cylindrical vibration damping device having a main rubber elastic body elastically connecting an inner shaft member and an intermediate cylindrical member, wherein base wall portions of either of a pair of pocket portions are constituted by the main rubber elastic body to actively rise opposing positive/negative pressure fluctuations in a pair of fluid chambers at times of vibration input across the inner shaft member and the outer cylindrical member; a low-frequency orifice passage and a high-frequency orifice passage are provided; and the high-frequency orifice passage is provided in an aperture section thereof leading to at least one of the pair of fluid chambers with a moveable film adapted to limit fluid flow through the high-frequency orifice passage on the basis of displacement and/or deformation thereof.
    • 一种流体填充的圆柱形减振装置,其具有弹性地连接内轴构件和中间圆筒构件的主橡胶弹性体,其中一对凹部中的任一个的基壁部分由主橡胶弹性体构成,以主动地增加相对的正 在穿过内轴构件和外圆柱形构件的振动输入时一对流体室中的负压波动; 提供低频孔通道和高频孔通道; 并且高频孔通道设置在其开口部分中,其通过可移动膜导向至少一个流体室,该可移动膜适于基于位移和/或变形来限制流过高频孔通道的流体 其中。