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    • 17. 发明授权
    • Liquid sealed vibration isolating device
    • 液体密封隔振装置
    • US08490954B2
    • 2013-07-23
    • US12517113
    • 2007-11-30
    • Jun SaitoMasatomo NishizakaNobuo KuboHiroshi Yanagase
    • Jun SaitoMasatomo NishizakaNobuo KuboHiroshi Yanagase
    • F16F5/00
    • F16F13/106
    • To form a relief valve for preventing the generation of the cavitation phenomenon into a simple and accurately operable structure, there are provided a central thin wall portion and a fixing portion in an elastic diaphragm provided in the partition member to have the fixing portion fixed in position. A relief valve is integrally formed with an outer peripheral portion of the fixing portion. The relief valve is provided with an inclined surface formed on the side of a secondary liquid chamber and a recessed portion opened on the side of a primary liquid chamber and has a difference in rigidity in the circumferential direction. When the primary liquid chamber turns negative pressure, a hydraulic liquid in the secondary liquid chamber opens the relief valve and leaks to the primary liquid chamber so as to prevent the generation of the cavitation phenomenon.
    • 为了形成用于防止气蚀现象形成为简单且可操作的结构的安全阀,在设置在分隔构件中的弹性隔膜中设置有中心薄壁部分和固定部分,以使固定部分固定在位 。 安全阀与固定部的外周部一体形成。 安全阀设置有形成在副液室侧的倾斜面和在主液室侧开口的凹部,并且在圆周方向上具有刚性差。 当主液室转动负压时,二级液室内的液压液体打开溢流阀并泄漏到主液室,以防止空化现象的产生。
    • 18. 发明授权
    • Liquid sealed vibration isolating device
    • 液体密封隔振装置
    • US08382079B2
    • 2013-02-26
    • US12050379
    • 2008-03-18
    • Nobuo KuboHiroshi YanagaseJun Saito
    • Nobuo KuboHiroshi YanagaseJun Saito
    • F16F5/00
    • F16F13/101
    • A vibration isolating device includes an insulator for isolating the transmission of an inputted vibration by an elastic deformation. A principal vibration input portion is provided in a central area of a concave curved wall portion formed in the insulator. A thin wall portion and a thick wall portion are formed by relatively varying a thickness of the insulator around the vibration input portion, wherein the concave curved wall portion of the insulator is formed in a substantially circular shape when viewed in a principal vibration inputted direction. The thick wall portion is formed substantially in the shape of a belt of a predetermined width and extends across the concave curved wall portion in the diametrical direction thereof while passing the vibration input portion. A rigid body covering portion for covering a surface of a metallic member of the vibration input portion is provided in the central area of the thick wall portion. A thickness of the rigid body covering portion is at least 1.7 mm.
    • 隔振装置包括用于通过弹性变形隔离输入振动的传递的绝缘体。 主振动输入部分设置在形成在绝缘体中的凹曲面壁部分的中心区域中。 通过相对于所述振动输入部周围的绝缘体的厚度相对变化来形成薄壁部和厚壁部,其中,当从主振动输入方向观察时,所述绝缘体的凹曲面部形成为大致圆形。 厚壁部形成为大致为预定宽度的带状,并且在通过振动输入部的同时沿着凹形弯曲壁部的直径方向延伸。 在厚壁部的中央部设置有用于覆盖振动输入部的金属构件的表面的刚性体覆盖部。 刚体覆盖部分的厚度至少为1.7mm。