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CN101490454B 液压装置的冲击阀 有权 转让

液压装置的冲击阀
摘要：
本发明提供一种液压系统的冲击阀组件，该冲击阀组件包括在第一端口和第二端口之间延伸的流体通道，冲击阀设置在该流体通道中，以通常用于阻断流体流经第一端口和第二端口之间的流体通道。当这两个端口之间的流体压差大于预定阈值时，该冲击阀暂时打开，以允许流体在第一端口和第二端口之间通过该流体通道流动。当该冲击阀暂时打开且第一端口中的流体压力大于第二端口中的流体压力时，流体沿着从第一端口到第二端口的第一方向通过该流体通道流动。当该冲击阀暂时打开且第二端口中的流体压力大于第一端口中的流体压力时，流体沿着从第二端口到第一端口的相反的第二方向通过该流体通道流动。
摘要（英）：

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.

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