Storm drain filter system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 7, 2001
Grant Date -
N/A
app pub date -
Jul 17, 2000
filing date -
Jul 17, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A storm sewer filter apparatus for filtering liquid runoff has a liquid capturing container shaped to fit into a storm sewer drain opening and has an elongated trough forming a periphery around the liquid capturing container adjacent the storm sewer drain opening. One or more oil filtering booms are positioned in the liquid capturing container elongated trough for removing oil from the liquid entering the storm sewer. The liquid capturing container has a plurality of fine screen outlets therefrom in the bottom and bottom portion sides and a plurality of coarse screens, coarser than the bottom fine screens, located in the middle portion of the liquid capturing container. A plurality of overflow openings are located in the upper portion of the liquid capturing container so that oil in the liquid runoff entering the storm sewer drain opening is captured and removed in the trough with the oil filtering boom and debris and solids are captured in said container to allow filtered water to enter the storm drain pipe. A liquid turbulence shield is attached to the sides of said liquid capturing container below said elongated trough.
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