Patent ID: 8118900
Filing Date: 2012-02-21
Classification: B01D

Abstract:
1. A dust collector comprising: (a) a housing having a dirty air chamber, a filtered air chamber, a tubesheet between the dirty air chamber and the filtered air chamber, a dirty air inlet in communication with the dirty air chamber, and a clean air outlet in communication with the filtered air chamber; the tubesheet having at least one aperture; (b) a filter element removably sealed within the at least one aperture in the tubesheet; the filter element removing at least some contaminant from an airstream as it flows from the dirty air inlet, into the dirty air chamber, through the filter element, and into the filtered air chamber; (c) a reverse pulse cleaning arrangement constructed and arranged to periodically emit a pulse of gas into the downstream flow face of the filter element to exit through the upstream flow face; the reverse pulse cleaning arrangement including: