Flow control system for a detention pond
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United States of America Patent
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Jul 27, 2010
Grant Date -
N/A
app pub date -
May 11, 2009
filing date -
May 11, 2009
priority date (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 above a top rim of the movable riser, 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.
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