Flow control system for a detention pond
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United States of America Patent
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Nov 19, 2013
Grant Date -
Nov 11, 2010
app pub date -
Jun 16, 2010
filing date -
May 11, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An application for a flow control system includes a movable riser in fluid communication and slideably engaged with a stationary riser, the stationary riser being in fluid communication with a drainage system. The movable riser is made buoyant by one or more attached floats such that, when the liquid level around the flow control system increases to a pre-determined level, the movable riser lifts due to the buoyancy of the float(s), thereby maintaining the pre-determined displacement as the water level continues to rise, yielding either a constant flow rate or a variable, predictable flow rate through the drainage system.
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