Retention and removal of debris and pollutants from surface...

Details Retention and removal of debris and pollutants from surface... Retention and removal of debris and pollutants from surface...

2006-02-21

2006-02-21

Cecil, Terry K. (Department: 1723)

Liquid purification or separation

Structural installation

Grated inlet surface drain

C210S086000, C210S170050, C210S238000, C210S254000, C210S262000, C210S297000, C210S316000, C210S337000, C210S474000

Reexamination Certificate

active

07001507

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.

REFERENCES:
patent: 6200484 (2001-03-01), McInnis
patent: 6537447 (2003-03-01), Remon
patent: 2005/0000872 (2005-01-01), Middleton et al.

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