Gas separation – With gas flow effecting means – Impeller upstream of separating media
Patent
1981-02-27
1982-08-17
Lacey, David L.
Gas separation
With gas flow effecting means
Impeller upstream of separating media
55385A, 55483, 55484, 55502, 55DIG31, 55DIG18, 98 40D, B01D 4610, B24F 316
Patent
active
043447848
ABSTRACT:
A filter assembly for clean air installations includes a block of high efficiency particulate air (HEPA) filter material adhesively bonded and sealed within an imperforate rigid thin-walled side frame which extends axially beyond the inlet surface of the filter block and thus provides an integral plenum chamber volume as part of a self-contained filter subassembly. The side frame has peripheral cover and supporting flanges at its inlet and outlet ends and can thus be conveniently assembled with and removed from a reusable cover member and cover gasket for the plenum chamber and a reusable perforated outlet grill and one or more peripheral outlet sealing gaskets, all of which constitute parts of a complete filter assembly which can be readily supported by a standard or special ceiling or wall grid or frame assembly.
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Cooper James A.
Deckas Peter C.
Leebens, Jr. James V.
Dexon, Inc.
Lacey David L.
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