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    • 9. 发明专利
    • Suspension device
    • 悬挂装置
    • JP2005112155A
    • 2005-04-28
    • JP2003348950
    • 2003-10-08
    • Hitachi Ltd株式会社日立製作所
    • SASADA YOSHIYUKI
    • B60G17/00B60C23/00F16F9/32G01S7/03G01S13/50G01S13/58G01S13/88
    • F16F9/3292B60G17/01933B60G2204/112B60G2400/204B60G2400/252B60G2401/174F16F2230/08G01S7/032G01S13/581G01S13/88
    • PROBLEM TO BE SOLVED: To provide a suspension device having high reliability even at high fluid pressure by accurately detecting the behavior of a suspension at a low cost. SOLUTION: This suspension device comprises a piston rod 7 on which a spring upper structure is supported and an inner cylinder 10 and an outer cylinder 11 on which a spring lower structure is supported. The piston rod 7 and these both cylinders 10 and 11 perform a behavior according to a specified spring constant and a damper constant. A millimeter wave radio radar sensor 13 is installed on either of the piston rod 7 and the inner cylinder 10, and a reflecting surface 19 is formed on the other. The relative behavior of the piston rod 7 and the inner cylinder 10 is calculated and treated by measuring a reflecting time. The millimeter wave radio radar sensor 13 and a mixer 51 are formed of an MMIC, and the MMIC and a signal processing circuit are mounted on a single ceramics package. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过以低成本准确地检测悬架的行为,提供即使在高流体压力下也具有高可靠性的悬挂装置。 解决方案:该悬架装置包括活塞杆7,弹簧上部结构被支撑在该活塞杆7上,内筒10和外筒11支撑着弹簧下部结构。 活塞杆7和这两个气缸10和11根据规定的弹簧常数和阻尼常数执行行为。 毫米波无线电雷达传感器13安装在活塞杆7和内筒10中的任一个上,另一方面形成反射面19。 通过测量反射时间来计算和处理活塞杆7和内筒10的相对行为。 毫米波无线电雷达传感器13和混合器51由MMIC形成,并且MMIC和信号处理电路安装在单个陶瓷封装上。 版权所有(C)2005,JPO&NCIPI