Gravity screen filter with dynamic backwash
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United States of America Patent
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-
Jun 20, 1995
Grant Date -
N/A
app pub date -
Oct 25, 1993
filing date -
Oct 25, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A self-cleaning gravity screen for removing particulate material from a liquid stream. The screen slopes, and beneath it a rotary wand sweeps against its lower side to keep the screen perforations open and assist movement of retained solids along the screen. The wand is driven by a rotary water wheel.
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