Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus
Patent
1991-10-21
1993-03-16
Hart, Charles
Gas separation
With nonliquid cleaning means for separating media
Solid agent cleaning member movingly contacts apparatus
55304, 15352, B01D 4604
Patent
active
051940779
ABSTRACT:
A sweeper hopper and associated filter assembly as illustrated and described. The filter assembly effectively divides the hopper into a particulate contaminant receiving chamber and a clean air exhaust chamber. The filter assembly includes at least a pair of particulate blocking filter means and means for selectively directing the transient air stream through one or the other or both of the filter means. The filter assembly further includes cleaning means for selectively imparting the filter means, typically during periods of quiescence, to physically loosen and remove particulate contaminants therefrom and direct such contaminants into the contaminant receiving chamber.
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patent: 4514875 (1985-05-01), Comer
patent: 4650504 (1987-03-01), Howeth
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Bargiel Douglas A.
Burgoon Jack L.
DiGiovanni Anthony P.
Himburg Norbert H.
Clarke Industries, Inc.
Hart Charles
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