Check Valve
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| 图 1 | g00466462 |
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单向阀 (A) 进口 (B) 出口 (1) 气门弹簧 (2) 弹簧腔 (3) 油道 (4) 滑阀 | |
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| 图 2 | g00466464 |
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单向阀的位置 (6) 单向阀 | |
单向阀 (6) 位于驾驶室内地板下方的动臂和吊钩控制阀上。 该阀防止蓄能器和先导回路的背压进入减压阀。 单向阀 (6) 允许油仅沿一个方向流动。 打开单向阀需要
来自减压阀的油通过端口 (A) 进入单向阀。 机油对滑阀 (4) 施加压力。 滑阀 (4) 在弹簧 (1) 和阀出口的背压作用力作用下保持关闭。 背压可通过进入弹簧腔 (2) 的油道 (3) 感测到。
当端口 (A) 中的压力大约比背压高
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