Dual chamber filter assembly with shaker

Gas separation – With nonliquid cleaning means for separating media – Solid agent cleaning member movingly contacts apparatus

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Details

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: 4258451 (1981-03-01), Sommerfeld
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patent: 4502874 (1985-03-01), Levil et al.
patent: 4514875 (1985-05-01), Comer
patent: 4650504 (1987-03-01), Howeth
patent: 5013333 (1991-05-01), Beaufoy et al.

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