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    • 9. 发明授权
    • Hydraulic pool overfill control
    • 液压池溢出控制
    • US5459886A
    • 1995-10-24
    • US291131
    • 1994-08-16
    • Mark PayneAmy Payne
    • Mark PayneAmy Payne
    • E04H4/12
    • E04H4/1209Y10T137/7374
    • A swimming pool has a recirculating pump and filter. A drain line from the high pressure side of the pump drains excess water through a hydraulically operated drain valve remote from the pool. A long narrow tube from the high pressure line drains into the pool at a float valve. When the level of water in the pool is too high, the float valve opens, and pressure in the tube drops. Pressure in the tube operates the drain valve, opening the drain valve when the level is high and the pressure is low, and closing the drain valve when the level is not high, the float valve is closed and the pressure is high. The invention may be alternatively practiced with a drain valve that is opened by a high control pressure using a float valve that closes when the pool level is high. A timer controlled valve in the tube prevents opening the drain valve during preselected times when the pool is occupied.
    • 游泳池有一个循环泵和过滤器。 来自泵的高压侧的排水管通过远离水池的液压操作的排水阀排出多余的水。 来自高压管线的长管子在浮阀处排入池中。 当池中的水位过高时,浮阀打开,管中的压力下降。 管中的压力操作排水阀,当水位高,压力低时打开排水阀,当水位不高时关闭排水阀,关闭浮阀,压力高。 本发明可以替代地实施,排水阀通过使用在池高度高时关闭的浮阀而由高控制压力打开。 管中的定时控制阀防止在池被占用的预选时间内打开排水阀。