Fluid filter with enhanced backflush flow
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United States of America Patent
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-
Dec 24, 1996
Grant Date -
N/A
app pub date -
Feb 17, 1995
filing date -
Feb 17, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A backflush conduit for an automatic back flushing filter having an inlet portion with a symmetrical converging bell-shaped cross-section, an outlet portion with a generally cylindrical shape, and a converging and reorienting transition portion connecting the inlet and outlet portions. Converging convex surfaces of the bell shaped opening smooth fluid inflow and prevent fulid separation. The transition portion interior contour redirects the fluid flow without inducing turbulence, resulting in more efficient backflushing to clean the entire filter element even at small element pore sizes.
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