Invention Grant
US09574337B1 Flow control methods and devices 有权
流量控制方法和装置

Flow control methods and devices
Abstract:
A method for delaying the maximum rate of discharge of water from a stormwater retention basin includes varying the vertical distance of an intake opening from the waterline inversely with water depth. A flow control device for carrying out the method includes an intake pipe with an intake opening that is pivotally mounted to a float body, the pivot being spaced from the intake opening.
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