Vortex flow type water surface control device for draining device
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United States of America Patent
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Mar 17, 2015
Grant Date -
Jan 31, 2008
app pub date -
Aug 2, 2004
filing date -
Aug 2, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
In a conventional storm overflow chamber of a combined sewer system, inflowing floating debris do not flow into an intercepting pipe in a rainy weather, and flow out to a public water body, causing a water pollution in the public water body. According to a vortex flow type water surface control device for a draining device of the present invention, a control plate (6) higher than at least a separating weir (1) is provided between an opening of an inflow pipe (2) and an opening of an intercepting pipe (3) in a storm overflow chamber of a combined sewer system. Moreover, a guide wall (7) higher than at least the separating weir (1) is provided along the separating weir between the opening of the inflow pipe (2) and the separating weir (1).
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