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    • 72. 发明授权
    • Oil and air suspension devices
    • 油和空气悬挂装置
    • US3970292A
    • 1976-07-20
    • US557972
    • 1975-03-13
    • Augustin DachicourtRene Krin
    • Augustin DachicourtRene Krin
    • B60G15/12F16F9/52F16F5/00
    • B60G15/12F16F9/52
    • The invention relates to an air and oil suspension device notably for motor vehicles adapted to act both as a shock absorber and as a pneumatic spring. It comprises means for compensating the expansion of the fluids contained therein in case of temperature increment. In a cylinder divided into two chambers one containing a gas and the other a hydraulic fluid is slidably mounted another hollow cylinder closed at both ends and containing essentially a hydraulic fluid and a reduced volume of gas under pressure. This second cylinder has an integral external piston-forming flange provided with opposite non-return valves permitting the passage in either direction of the hydraulic fluid which is thus caused to undergo a substantial loss of pressure, and at least one opening through the wall of said second cylinder under said flange so that the pressures can balance each other on either side of the wall of said second cylinder.
    • 本发明涉及一种特别用于机动车辆的空气和油悬浮装置,其适用于作为减震器和气动弹簧。 它包括在温度增加的情况下补偿其中包含的流体的膨胀的装置。 在分成两个腔室的气缸中,一个容纳气体的气缸,另一个液压流体可滑动地安装在另一个中空圆筒上,另一个中空圆筒在两端封闭,基本上包含液压流体和减压气体的压力。 该第二气缸具有整体的外部活塞形成凸缘,该凸缘设置有相对的止回阀,允许沿液压流体的任一方向通过,从而使其经受实际的压力损失,并且至少一个通过所述 在所述凸缘下方的第二气缸,使得压力可以在所述第二气缸的壁的任一侧彼此平衡。
    • 73. 发明授权
    • Auxiliary shock absorber damping valves
    • 辅助减震阻尼阀
    • US3674120A
    • 1972-07-04
    • US3674120D
    • 1971-02-01
    • GEN MOTORS CORP
    • JOHNSON RALPH S
    • F16F9/52
    • F16F9/52
    • In preferred form, a direct acting hydraulic shock absorber with auxiliary passages between the working chambers of the shock absorber and the reservoir chamber controlled by a thermally responsive valve which blocks fluid flow upon sensing a predetermined fluid temperature. An annular channel formed about the pressure cylinder of the shock absorber has a wall portion spaced radially outward from openings in the pressure cylinder and has openings to the reservoir chamber. A cylindrical ring valve in the annular channel is spaced inwardly from the wall portion when it is below the predetermined temperature. The ring valve expands outwardly against the wall portion to block the auxiliary passages to the reservoir chamber when above the predetermined temperature.
    • 在优选形式中,具有在减震器的工作室之间的辅助通道和由热响应阀控制的储存室的直接作用液压减震器,其在感测到预定流体温度时阻止流体流动。 围绕减振器的压力缸形成的环形通道具有与压力缸中的开口径向向外隔开的壁部分,并且具有到储存室的开口。 环形通道中的圆柱形环形阀当其低于预定温度时与壁部分向内间隔开。 环形阀门相对于壁部分向外膨胀,以在高于预定温度时将辅助通道阻挡到储存室。