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    Variable damping characteristics shock absorber
    2.
    发明授权
    Variable damping characteristics shock absorber 失效
    可变阻尼特性减震器

    公开(公告)号：US5054809A

    公开(公告)日：1991-10-08

    申请号：US440215

    申请日：1989-11-22

    申请人： Fumiyuki Yamaoka ,  Shinobu Kakizaki ,  Shigeru Kikushima

    发明人： Fumiyuki Yamaoka ,  Shinobu Kakizaki ,  Shigeru Kikushima

    IPC分类号： F16F9/46 ,  B60G17/015 ,  B60G17/018 ,  B60G17/019

    CPC分类号： B60G17/018 ,  B60G17/01941 ,  B60G2202/24 ,  B60G2400/5182 ,  B60G2401/10 ,  B60G2500/10 ,  B60G2600/14

    摘要： A variable damping characteristics shock absorber includes a piezoelectric unit which serves as a sensor for detecting piston stroke and an actuator for adjusting stiffness of a flow restriction valve and thus for adjusting the damping characteristics of the shock absorber. The shock absorber includes a pair of flow restriction valves, in which one of valve is active in response to a piston bounding stroke for generating damping force by restricting the fluid flow and the other is active in response to a piston rebounding stroke for generating a damping force by restricting fluid flow. The piezoelectric unit is disposed between two valves in such a manner that it may monitor piston strokes both in the bounding and rebounding stroke directions and adjust stiffness of both of the flow restriction valves.

    摘要翻译： 可变阻尼特性减震器包括用作检测活塞冲程的传感器的压电单元和用于调节流量限制阀的刚度并因此用于调节减震器的阻尼特性的致动器。 减震器包括一对流量限制阀，其中阀中的一个响应于活塞行程起作用，通过限制流体流而产生阻尼力，另一个响应于活塞回弹行程起作用以产生阻尼 限制流体流动的力。 压电单元以这样的方式设置在两个阀之间，使得它可以监视行程方向上的活塞冲程和调节两个流量限制阀的刚度。

    Variable damping force shock absorber with feature of independent adjustment of damping characteristics for bounding a rebounding strokes
    3.
    发明授权
    Variable damping force shock absorber with feature of independent adjustment of damping characteristics for bounding a rebounding strokes 失效
    具有阻尼特性的独立调整特性的可变阻尼力冲击吸收器

    公开(公告)号：US5133434A

    公开(公告)日：1992-07-28

    申请号：US536771

    申请日：1990-06-12

    申请人： Shigeru Kikushima ,  Fumiyuki Yamaoka

    发明人： Shigeru Kikushima ,  Fumiyuki Yamaoka

    IPC分类号： F16F9/46

    CPC分类号： F16F9/464 ,  Y10T137/778

    摘要： A variable damping force shock absorber has a two separate bounding and rebounding fluid flow path, which the bounding fluid path is active for permitting fluid flow in a piston bounding stroke and the rebounding fluid path is active for permitting fluid flow in a piston rebounding stroke. A first flow restriction device is associated with the bounding fluid path for adjusting fluid flow path area of the bounding fluid path, which first flow restriction device is variable of magnitude of fluid flow restriction for adjusting damping characteristics for piston bounding stroke. A second flow restriction device is associated with the rebounding fluid flow path, which second flow restriction device is variable of flow restriction magnitude for adjusting damping characteristics for piston rebounding stroke. The first and second flow restriction devices are operable independently of each other.

    摘要翻译： 可变阻尼力减震器具有两个分离的界限和回弹流体流动路径，其中边界流体路径是活动的，以允许流体在活塞行程中流动，并且回弹流体路径是活动的，以允许流体在活塞回弹行程中流动。 第一流量限制装置与用于调节包围流体路径的流体流动路径区域的边界流体路径相关联，该第一流量限制装置可以用于调整用于活塞行程的阻尼特性的流体流动限制的大小。 第二流量限制装置与回弹流体流动路径相关联，该第二流量限制装置可变的流量限制幅度用于调整活塞反弹行程的阻尼特性。 第一和第二流量限制装置彼此独立地操作。