Gas separation – With nonliquid cleaning means for separating media – Cohesive filter media cleaning
Patent
1995-09-27
1996-10-08
Woo, Jay H.
Gas separation
With nonliquid cleaning means for separating media
Cohesive filter media cleaning
553411, 95280, B01D 4604
Patent
active
055627463
ABSTRACT:
An air filter assembly for filtering air with particulate matter therein is provided. The air filter assembly includes a housing having an air inlet and an air outlet, and a spacer wall separating the housing into a filtering chamber and a clean air chamber. The spacer wall includes a first air flow aperture therein. The assembly includes a filter element positioned in air flow communication with the first air flow aperture. The assembly also includes a Venturi element mounted in the spacer wall first air flow aperture. The Venturi element includes a bell-mouth-shaped end portion which projects into an inner clean air chamber of the first filter element. The assembly includes a pulse jet cleaning apparatus having a nozzle oriented to direct a pulse of air into the first Venturi element in a direction toward the first filter element.
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Graphical presentation of "Effectiveness Values for Conical Diffusers." adapted from the data of A.T. McDonald and R.W. Fox: An Experimental Investigation of Incompressible Flow in Conical Diffusers, ASME Paper No. 65-FE-25, 1965.
Graphical presentation of "Coefficients of Pressure Recovery for Conical Diffusers" adapted from the data of A.T. McDonald and R.W. Fox: An Experimental Investigation of Incompressible Flow in Conical Diffusers, ASME Paper No. 65-FE-25, 1965.
Donaldson & Company, Inc.
Smith Duane S.
Woo Jay H.
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