Filtration apparatus
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United States of America Patent
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Jul 12, 1994
Grant Date -
N/A
app pub date -
Feb 18, 1993
filing date -
Feb 18, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention is a combined gas flow resistance device and safety shield which incorporates a plurality of narrow parallel passageways through which filtered gas from a plurality of filter elements passes to a clean gas outlet. The device also has inlet for carrying pulses of high pressure gas to the downstream side of a plurality of filter elements, and a porous safety shield connected across the passageways to prevent solid particles from passing from the filter elements to the clean gas outlet.
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