Patent ID: 6688968
Filing Date: 2004-02-10
Classification: F24F,Y02B

Abstract:
A method for protecting a building region other than an air duct section from harmful agent contamination, wherein the building region has at least one pre-identified protection zone or region, the method comprising the steps of:providing at least one inflatable bladder having an inflatable bladder interior, wherein the bladder has an un-inflated configuration, an un-inflated volume, an inflated configuration, and an inflated volume; providing an inflator for inflating the at least one bladder from the un-inflated configuration to the inflated configuration, wherein the inflator has an initiator for initiating the inflating; locating the at least one inflatable bladder near a pre-identified protection zone or region; and initiating the inflating of the at least one bladder using the initiator so that the at least one bladder occupies the at least one pre-identified protection zone or region; and wherein the building region includes a room having a volume, and the pre-identified protection zone corresponding to substantially the entire volume of the room.