发明授权
US4293000A Load responsive fluid control valve 失效
负载响应流体控制阀

Load responsive fluid control valve
摘要:
A direction flow control valve for control of positive and negative loads equipped with a load responsive positive load control which automatically regulates valve inlet pressure to maintain a relatively constant pressure differential between inlet pressure and load pressure. The load responsive control of direction flow control valve blocks the pump flow to the motor while controlling negative load, providing the motor inlet with fluid from the motor exhaust.
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