Filtration arrangement and method
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United States of America Patent
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-
Nov 15, 1994
Issued Date -
N/A
app pub date -
Mar 3, 1993
filing date -
Oct 19, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Constructions and methods are described for collecting particulate material from gas streams. In one specifically described arrangement, a region of uniform or constant density depth media is oriented upstream of a region of gradient density depth media. In another, a preferred region of gradient density depth media is constructed, to effect particulate collection in a preferred manner. Preferred constructions described herein, utilize a pleated paper filter oriented downstream of depth media, to advantage.
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