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    • 2. 发明申请
    • SHOCK VALVE FOR HYDRAULIC DEVICE
    • 液压装置用振动阀
    • WO2007136998A3
    • 2008-07-24
    • PCT/US2007068572
    • 2007-05-09
    • WHITE DRIVE PRODUCTS INCDAIGRE RICHARD
    • DAIGRE RICHARD
    • F16K17/18F04C2/00F16H61/4017F16H61/4043
    • F16H61/4043F15B2211/50563F15B2211/7058F16H61/4017Y10T137/7771Y10T137/7837
    • A shock valve assembly for a hydraulic system includes a fluid path extending between a first port and a second port with a shock valve disposed in the fluid path to normally block fluid flow through the fluid path between the first and second ports. The shock valve temporarily opens to permit fluid flow between the first port and a second port through the fluid path when a fluid pressure differential between the ports exceeds a predetermined threshold. Fluid flow occurs in a first direction from the first port to the second port through the fluid path when the shock valve is temporarily opened and fluid pressure in the first port is greater than the second port. Fluid flow occurs in a second, reverse direction through the fluid path from the second port to the first port when the shock valve is temporarily opened and fluid pressure in the second port is greater than the first port.
    • 用于液压系统的冲击阀组件包括在第一端口和第二端口之间延伸的流体路径,其中设置在流体路径中的冲击阀以正常阻挡流过第一和第二端口之间的流体路径的流体流动。 当端口之间的流体压差超过预定阈值时,冲击阀临时打开以允许流体在第一端口和第二端口之间通过流体路径流动。 当冲击阀临时打开并且第一端口中的流体压力大于第二端口时,流体流从第一端口到第二端口通过流体路径发生。 当冲击阀暂时打开并且第二端口中的流体压力大于第一端口时,流体流动沿着从第二端口到第一端口的流体路径沿第二反向方向发生。