Patent ID: 6270663
Filing Date: 2001-08-07
Classification: B01D,C02F,E03F

Abstract:
A storm sewer filter apparatus for filtering liquid runoff comprising:a liquid capturing container shaped to fit into a storm sewer drain opening and having a bottom and a plurality of sides, said liquid capturing container having a bottom portion, a middle portion and a top portion and having an elongated trough having interior and exterior walls and forming a periphery around a storm sewer drain opening;an oil filtering boom located in said liquid capturing container elongated trough for removing oil from said liquid entering said storm sewer; andsaid liquid capturing container having a plurality of fine screen outlets therefrom in said bottom portion thereof and a plurality of coarse screens, coarser than said fine screens, and located in said middle portion thereof and a plurality of overflow openings in said upper portion of said liquid capturing container whereby oil in liquid runoff entering said storm sewer drain opening is captured and removed in said trough with said oil filtering boom and debris and solids are captured in said container.