Patent ID: 6402822
Filing Date: 2002-06-11
Classification: B01D

Abstract:
A furnace filter system for installation on an existing furnace duct, the furnace duct having top and bottom walls and spaced apart side walls therebetween providing the duct with an interior and an exterior, said furnace filter system being comprised of a supply assembly mounted on the top and bottom walls of the duct and spaced outwardly of and extending along one of the side walls of the duct for holding a supply of filter media, a take-up assembly mounted on the top and bottom walls of the duct and spaced outwardly of and extending along the other of the side walls of the duct for receiving and storing a spent portion of said filter media, said filter media extending from said supply assembly across the interior of the duct to said take-up assembly, a frame assembly positioned within the duct between the side walls thereof for supporting said filter media across the interior of the duct, and a control system for advancing said filter media from said supply assembly to said take-up assembly.