Gas separation – Plural serial basically diverse separating media – Plural stages in unitary casing
Patent
1981-08-10
1983-06-28
Sever, Frank
Gas separation
Plural serial basically diverse separating media
Plural stages in unitary casing
55483, 55484, 55499, 55521, B01D 2920, B01D 2924
Patent
active
043903541
ABSTRACT:
An air cleaner comprises at least two pleated paper filter elements each having the configuration of a frustrum of a cone and mounted in side-by-side relation in a casing with their relatively wide diameter ends in sealing relation to a common, impermeable baseplate means dividing said casing into two discrete portions, said baseplate means having openings defined therein to provide direct communication between one of said portions and the insides of said elements, impermeable means for closing the relatively narrow diameter ends of the elements, together with an aperture in the casing in each of said portions, whereby in use, air entering one of said apertures can pass to the other aperture only through said filter elements. The impermeable means for closing the narrow ends of the elements is preferably a blanking plate integral with each of said ends.
REFERENCES:
patent: 4218227 (1980-08-01), Frey
Donaldson Bulletin 1200-272; 1976.
Drucker William A.
Sever Frank
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