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    • 1. 发明授权
    • Oleo-pneumatic shock absorber
    • OLEO-PNEUMATIC SHOCK ABSORBER
    • US3724832A
    • 1973-04-03
    • US3724832D
    • 1971-03-09
    • MENASCO MFG CO
    • CESKA F
    • F16F9/06F16F9/342
    • F16F9/06F16F9/342
    • A two-stage oleo-pneumatic shock absorber incorporating two pneumatic (air) pressure chambers, a high air pressure chamber and a low pressure (air) chamber, separated by a hydraulic fluid (oil) pressure chamber. The oil chamber contains an orifice and metering pin, which orifice and metering pin control the rate of collapse of the low pressure air chamber. It also contains a second orifice and metering pin which control the rate of collapse of the high pressure air chamber. Both metering pins are preprogrammed so as to interact with each other and effect a nearly constant load throughout the stroke of the shock absorber, even under transient loading conditions.
    • 一个两级液压气动减震器,包括两个气动(空气)压力室,一个高压力室和一个由液压油(油)压力室隔开的低压(空气)室。 油室包含一个孔口和计量销,该孔口和计量管脚控制低压空气室的坍塌率。 它还包含一个控制高压空气室坍塌率的第二孔和计量销。 两个计量销都是预编程的,以便在冲击吸收器的整个行程中彼此相互作用并实现几乎恒定的负载,即使在瞬态负载条件下。