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11. 发明授权

US6102380A Fluid filled cylindrical elastic mount having three equilibrium chambers for different frequency bands 失效
标题翻译：流体填充的圆柱形弹性支架具有三个不同频带的平衡腔
公开(公告)号：US6102380A
公开(公告)日：2000-08-15
申请号：US181349
申请日：1998-10-28
申请人： Jyoji Tsutsumida
发明人： Jyoji Tsutsumida
IPC分类号： B60K5/12 , F16F13/06 , F16F13/14 , F16F13/00
CPC分类号： F16F13/1418
摘要： A fluid-filled cylindrical elastic mount comprising: a center shaft member; an intermediate sleeve disposed radially outwardly of the center shaft member; an elastic body interposed between and connecting the center shaft member and the intermediate sleeve; and an outer sleeve member disposed on the intermediate sleeve; an orifice member interposed between the intermediate sleeve and the outer sleeve member to divide a first pocket formed in the elastic body into a pressure-receiving chamber and a first equilibrium chamber partially defined by a first flexible diaphragm, to close a second and third pocket diametrically opposite to the first pocket, to provide a second equilibrium chamber having a spring stiffness smaller than that of the first equilibrium chamber and a third equilibrium chamber having a spring stiffness larger than that of the first equilibrium chamber, and to partially define a first, second and third orifice passages for communication of the respective first, second and third equilibrium chambers with the pressure-receiving chamber, and wherein the elastic body has an axial void to provide a second and third flexible diaphragm which partially define the respective second and third equilibrium chambers, and the first orifice passage has a ratio of a cross sectional area to a circumferential length higher than that of the second orifice passage, and lower than that of the third orifice passage.
摘要翻译：一种流体填充的圆柱形弹性安装座，包括：中心轴构件; 设置在所述中心轴构件的径向外侧的中间套筒; 插入并连接中心轴构件和中间套筒的弹性体; 以及设置在所述中间套筒上的外套筒构件; 插入在中间套筒和外套筒构件之间的孔口构件，以将形成在弹性体中的第一袋分成压力容纳室和由第一柔性隔膜部分地限定的第一平衡室，以直径关闭第二和第三袋提供具有比第一平衡室的弹簧刚度小的弹簧刚度的第二平衡室和具有大于第一平衡室的弹簧刚度的弹簧刚度的第三平衡室，并且部分地限定第一，第二平衡室以及第三孔口通道，用于将相应的第一，第二和第三平衡室与压力接收室连通，并且其中弹性体具有轴向空隙以提供第二和第三柔性隔膜，其部分地限定相应的第二和第三平衡室并且第一节流孔通道具有横截面积与周长的比率租金长度高于第二节流孔通道，低于第三节流孔通道。

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