Patent ID: 6840987
Filing Date: 2005-01-11
Classification: B01D

Abstract:
1. An air filtering apparatus for purifying air, said apparatus comprising: an enclosure for coupling to ducting of a ventilation system, said enclosure having an interior, said enclosure having a top wall, a bottom wall, a pair of side walls, a first end wall, and a second end wall, said walls defining said interior; a plurality of filters for extracting impurities from air passing therethrough, said plurality of filters comprising a first wet filter, a second wet filter, and a pair of dry filters, each of said filters being positioned in said interior of said enclosure and being oriented generally parallel to said end walls; a pair of pump members for supplying water from an enclosure reservoir to each of said wet filters, each of said pump members being mounted on said bottom wall of said enclosure and being positioned in said interior, said pump members being submersed in said enclosure reservoir and being fluidly coupled to said wet filters; a supply assembly for supplying water to said enclosure reservoir in said interior, said supply assembly being mounted on said bottom wall of said enclosure; a drain assembly for draining said enclosure reservoir, said drain assembly being mounted on said bottom wall of said enclosure; a fan member for forcing exterior air through each of said filters and outwardly through a duct aperture in said first end wall; a control assembly for controlling each of said pump members and said drain assembly to coordinate a purge sequence of said enclosure reservoir; and said enclosure including a partition wall being attached to and extending between said side walls a first end of said partition wall being attached to said first end wall at a point between said duct aperture and said fan member and extending towards said second end wall and being angled downwardly towards said bottom wall to facilitate drainage of the water to said enclosure reservoir.