B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/99
B01D 46/10 (2006.01) B01D 46/00 (2006.01) B01D 46/52 (2006.01)
Patent
CA 1144088
FILTER CLEANING APPARATUS AND METHOD INVENTOR: Lee Ronald Kochan ASSIGNEE: Globe-Union Inc., a Delaware Corporation ABSTRACT OF THE DISCLOSURE Apparatus for cleaning a high efficiency partic- ulate air (HEPA) filter includes a vacuum system having a vacuum nozzle which spans the inlet face of the filter and a nozzle inlet lying closely adjacent the filter face. The nozzle inlet is dimensioned to effectively cover one or more two cell filter modules formed by the filter media separators. A vacuum or induced draft is applied to the nozzle to provide a cleaning air flow counter to the flow of particulate air through the filter. The nozzle temporarily blocks or retards the flow of particulate air through the module or modules being cleaned while the flow and filtering of particulate air continues through the remaining major portion of the filter. Means and their corresponding method of opera- tion for maintaining the nozzle in contact with the filter inlet face and for moving the same across the filter face for sequential cleaning of the filter modules are also disclosed.
352454
Globe-Union Inc.
Kirby Eades Gale Baker
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