Liquid purification or separation – Structural installation – Flume stream type
Reexamination Certificate
2009-04-09
2011-10-04
Upton, Christopher (Department: 1778)
Liquid purification or separation
Structural installation
Flume stream type
C210S159000, C210S162000, C210S413000
Reexamination Certificate
active
08029665
ABSTRACT:
A screening device for wastewater includes a perforate screening member through which wastewater in an associated channel flows from a bottom side thereof to a top side thereof. An overfall wall is positioned in the wastewater channel. A clearing member is shiftable relative to the screening member for cleaning screenings therefrom, and is positioned upstream of the overfall wall. A waterwheel is positioned in the wastewater channel at a location downstream of the overfall wall, and is operably connected with the clearing member for mechanically shifting the same to remove the screenings from the screening member without using external power.
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Thompson/Jones/Basford, ThompsonRPM CSO Post Project Appraisal, Dec. 2004, Version 1.0, Wales, 413 pages.
Price Heneveld LLP
Upton Christopher
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