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    • 8. 发明授权
    • Air suspension apparatus
    • 空气悬架装置
    • US06427986B1
    • 2002-08-06
    • US09538531
    • 2000-03-30
    • Hiroshi SakaiAkinori KurusuNobuyuki IchimaruTakao KoharaSatoshi Ohsawa
    • Hiroshi SakaiAkinori KurusuNobuyuki IchimaruTakao KoharaSatoshi Ohsawa
    • F16F914
    • F16F9/062B60G15/14B60G17/0416B60G17/08B60G2202/314B60G2500/112F16F9/325F16F9/342F16F9/5123
    • An air chamber (53) of a damping force adjusting mechanism (49) disposed in a hydraulic shock absorber (3) of a damping force adjusting type communicates with an air chamber (7) of an air spring through a tubular path (57). A free piston (51) is transferred in accordance with the pressure of the air chamber and a spool (46) is transferred to shift a damping force. The damping force presents a soft characteristic both on the extending side and on the retracting side in a usual status, presents a hard characteristic on the extending side and a soft characteristic on the retracting side when the pressure of the air chamber is high, and presents a soft characteristic on the extending side and a hard characteristic on the retracting side when the pressure of the air chamber (7) is low. The damping force can be obtained, which approximates the damping force control on the basis of a so-called sky-hook theory. Therefore, the air suspension apparatus can alleviate the input from the axle side and improve a riding comfort and stability in operability by controlling the vibration on the vehicle body side.
    • 设置在阻尼力调节型的液压缓冲器(3)中的阻尼力调节机构(49)的空气室(53)通过管状路径(57)与空气弹簧的空气室(7)连通。 自由活塞(51)根据空气室的压力传递,并且转子(46)转动阻尼力。 阻尼力在通常状态下在延伸侧和收缩侧呈现柔软的特性,当空气室的压力高时,在延伸侧呈现硬的特性和在回缩侧的柔软特性,并且呈现 当空气室(7)的压力低时,在延伸侧具有软特性和在回缩侧的硬特性。 可以获得阻尼力,其基于所谓的天钩理论近似阻尼力控制。 因此,空气悬架装置可以通过控制车体侧的振动来减轻从车轴侧的输入,提高乘坐舒适性和操作性的稳定性。