Gas separation – With nonliquid cleaning means for separating media – With sequential cleaning of plural units
Patent
1981-07-20
1983-02-15
Prunner, Kathleen J.
Gas separation
With nonliquid cleaning means for separating media
With sequential cleaning of plural units
15415R, 55294, 55303, 55341NT, B01D 4604
Patent
active
043739393
ABSTRACT:
Vacuum sweep apparatus in an air-filter system which includes a horizontally disposed plate having an array of openings, a plurality of filter bags mounted on the upper side of the plate and communicating with the openings, and a vacuum sweep arm mounted for rotation below the plate. The apparatus includes a base conduit mounted on the arm, in fluid communication therewith, a head conduit, and a flexible, fluid-tight skirt joining the base and head conduits in sealed fluid communication. The skirt accommodates limited multidirectional movement of the head conduit with respect to the base conduit. The head conduit is biased toward the plate so that, as the sweep arm is rotated, an apertured plate-contact member carried on the head conduit is pressed against the plate to seal the air-flow passages formed by successive registries between openings in the plate and an aperture in the plate-contact member.
REFERENCES:
patent: 586742 (1897-07-01), Marmon
patent: 2369649 (1945-02-01), Abrams
patent: 3813853 (1974-06-01), Anderson
patent: 3951627 (1976-04-01), Barr, Jr. et al.
patent: 4233041 (1980-11-01), Noland
patent: 4279057 (1981-07-01), Restivo
patent: 4293320 (1981-10-01), Robinson
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