Retention and removal of debris and pollutants from surface water runoff
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United States of America Patent
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Feb 21, 2006
Grant Date -
Nov 25, 2004
app pub date -
May 22, 2003
filing date -
May 22, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system to restrict and remove debris and pollutants from runoff water received from surrounding areas. A receptacle receives the runoff water, and a grate detains the heavier part of its solids burden. A first screen within the receptacle detains solids of lesser size. Water passed by the first screen encounters a tubular second screen in the receptacle which passes water that was additionally screened by it and sends it to a downstream system. A weir at a sensitive level in the receptacle can by-pass the second screen. The second screen is preferably rotatable.
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