Liquid purification or separation – Flow – fluid pressure or material level – responsive – Filter cleaning
Patent
1994-03-17
1996-07-09
Hruskoci, Peter A.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Filter cleaning
210155, 210159, 210162, 210357, B01D 3910
Patent
active
055341403
ABSTRACT:
A bar screen for screening a flow of wastewater, the bar screen comprising a frame, a first bar rack supported by the frame and extending across the flow of wastewater, the first bar rack including a plurality of generally parallel, elongated first bars each having a top end and a bottom end, the plurality of first bars defining therebetween a plurality of upstream spaces, a first bar rack top support engaged with the top end of each first bar and a first bar rack bottom support engaged with the bottom end of each first bar, a second bar rack supported by the frame and extending across the flow of wastewater, the second bar rack including a plurality of generally parallel, elongated second bars each having a top end and a bottom end, a second bar rack top support engaged with the top end of each second bar and a second bar rack bottom support engaged with the bottom end of each second bar, the second bar rack bottom support overlying a portion of the first bar rack bottom support, and a mounting arrangement for fixing the first bar rack to the frame and for releasably mounting the second bar rack on the frame, the first and second bar racks thereby defining a fine screen compound bar rack wherein the second bars have a portion extending into a respective upstream space.
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Brummond Robert A.
Heidner James L.
Scheel Roger
Envirex Inc.
Green Theodore M.
Hruskoci Peter A.
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