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    • 3. 发明授权
    • Hydro-pneumatic damping device
    • 液压气动阻尼装置
    • US4287970A
    • 1981-09-08
    • US115500
    • 1980-01-25
    • Robert EusemannGunther HandkeManfred Koller
    • Robert EusemannGunther HandkeManfred Koller
    • F16F9/40F16F9/36F16F9/06
    • F16F9/364
    • A hydro-pneumatic damping device particularly for spring legs of automotive vehicles comprises an inner cylinder, an outer container, a central cavity within the inner cylinder, an annular cavity between the inner cylinder and the outer container, a piston rod with a piston unit, venting passage means between the central cavity and the annular cavity extending across a cylinder closing unit and check valve means associated to said venting passage means. The check valve means comprise an annular check valve member in frictional sliding engagement with the piston rod for axial movement with the piston rod toward a sealing position during inward movement of the piston rod and toward an opening position during outward movement of the piston rod, first and second abutment means being provided for defining said sealing position and said opening position of said annular check valve member respectively.
    • 特别用于机动车辆的弹簧腿的液压气动阻尼装置包括内筒,外容器,内筒内的中心腔,内筒与外容器之间的环形腔,具有活塞单元的活塞杆, 通气装置在中心腔和环形空腔之间延伸穿过气缸闭合单元和与所述通气通道装置相关的止回阀装置。 止回阀装置包括与活塞杆摩擦滑动接合的环形止回阀构件,用于在活塞杆向内运动期间朝向密封位置并在活塞杆向外移动期间朝向打开位置轴向运动,第一 并且第二邻接装置设置成分别限定所述环形止回阀构件的所述密封位置和所述打开位置。
    • 4. 发明授权
    • Shock absorber
    • 减震器
    • US4189033A
    • 1980-02-19
    • US889447
    • 1978-03-23
    • Teiji Katsumori
    • Teiji Katsumori
    • F16F9/40F16F9/36F16F9/06
    • F16F9/364Y10S277/928Y10T137/7889
    • A dual tube hydraulic shock absorber includes an inner tube or a cylinder slidably receiving a piston therein, a piston rod secured to the piston and extending out of the cylinder through the upper end thereof, an outer tube surrounding the cylinder to define around the outer periphery of the cylinder an annular reservoir chamber, working liquid filled in the cylinder and in the lower portion of the reservoir chamber, pressurized gas filled in the upper portion of the reservoir chamber, a seal member engaging with the piston rod to seal the shock absorber from the outside, a path connecting the lower portion of the reservoir chamber with the interior of the cylinder, a passage connecting the upper portion of the reservoir chamber with the interior of the cylinder, and check valve means disposed in the passage. The check valve means is formed separately from the seal member and comprises an annular resilient valve member secured to a retaining member formed of a metal.
    • 双管液压减震器包括内管或可滑动地容纳活塞的气缸,活塞杆,其固定到活塞并通过其上端延伸出气缸;围绕气缸的外管围绕外周限定 气缸的一个环形储存室,填充在气缸中和储存室下部的工作液体,填充在储存室上部的加压气体,与活塞杆接合以密封减震器的密封构件 外部,将储存室的下部与气缸的内部连接的路径,将储存室的上部与气缸的内部连接的通路,以及设置在通路中的止回阀装置。 止回阀装置与密封构件分开形成并且包括固定到由金属形成的保持构件上的环形弹性阀构件。