Liquid purification or separation – Processes – Separating
Reexamination Certificate
2010-07-29
2010-11-16
Cecil, Terry K (Department: 1797)
Liquid purification or separation
Processes
Separating
C210S806000
Reexamination Certificate
active
07833424
ABSTRACT:
The present invention relates to a method for cleaning cloth filter media supported on a plurality of opposingly-spaced filter plate frames. A backwash assembly (23) moves linearly and includes at least one cylindrical backwash arm (200) that rotates to consecutively clean the media of the spaced filter plate frames.
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Photos of system equivalent to that shown schematically in Figs 29, 30 & 31 of U.S. Patent 6,858,140.
Baumann Peter G.
Smith David
Aqua-Aerobic Systems, Inc.
Cecil Terry K
Niro Haller & Niro
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