Filtration system underdrain
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United States of America Patent
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-
Aug 15, 2006
Grant Date -
Mar 25, 2004
app pub date -
Sep 26, 2003
filing date -
Jun 18, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The invention is directed to a filter underdrain for supporting a filter media between at least two dividers forming at least one cell, which includes at least one porous plate for supporting the filter media for filtering a fluid, the porous plate spanning across at least one of the dividers; and a plurality of support members beneath the porous plate, the support members containing at least one port for draining the fluid after the fluid passes through the porous plate. The porous plates may be bound together by a lap joint and an end section may be included between at least two of the support members, the end section containing at least one pocket for holding the porous plate.
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