Duct disinfecting method and apparatus

B - Operations – Transporting – 60 – H

Patent

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B60H 3/00 (2006.01) A61L 2/22 (2006.01) B05B 1/14 (2006.01) B05B 1/20 (2006.01) B60H 1/32 (2006.01) B65D 83/14 (2006.01) B65D 83/30 (2006.01)

Patent

CA 2213495

An apparatus for disinfecting the interior surfaces of air conditioning ducts comprises a pressurized aerosol canister (11) having a nozzle (12) and an elongated flexible tubular extension (14) coupled to the nozzle. The extension is closed on its free end and is provided along a portion of its length with an array of outlet ports or holes (18). When the nozzle is actuated, liquid disinfectant is delivered through the array of holes in the form of an aerosol spray or mist that issues in all directions from the tubular extension. In use, the end of the tubular extension is inserted into an air conditioning duct (22) up to a visual indicator (19) provided on the tube. The nozzle is then depressed, which causes an aerosol cloud to be expelled on the inside of the duct coating the interior surfaces of the duct and disinfecting against mold, mildew, and bacteria.

L'invention concerne un appareil pour désinfecter les surfaces intérieures de conduites de conditionnement d'air. Cet appareil comprend une bombe aérosol sous pression (11) possédant une buse (12) à laquelle est accouplée une extension (14) tubulaire, allongée et souple. Cette extension est fermée à son extrémité libre, et est pourvue, sur une partie de sa longueur, d'un ensemble d'orifices de sortie ou de trous (18). Lors de l'actionnement de la buse, le désinfectant liquide est envoyé dans l'ensemble de trous sous forme d'une pulvérisation aérosol ou d'un brouillard qui est dirigé dans toutes les directions depuis l'extension tubulaire. En service, l'extrémité de l'extension tubulaire est insérée dans une conduite de conditionnement d'air (22) jusqu'à un indicateur visuel (19) prévu sur le tube. On appuie ensuite sur la buse, ce qui provoque l'expulsion d'un nuage d'aérosol sur le revêtement intérieur des surfaces intérieures de la conduite et assure la désinfection contre la moisissure, le mildiou et les bactéries.

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