A - Human Necessities – 47 – L
Patent
A - Human Necessities
47
L
A47L 9/18 (2006.01) B01D 47/02 (2006.01)
Patent
CA 2246161
A filtration device particularly for use with vacuum cleaners used for collection of fine particles which tend to clog porous solid filters. The device utilizes readily replaceable water as a filtration medium with air being forced into the water then released for additional multiple water contacts. The device further includes horizontal baffles with air access apertures therein which are positioned above the surface of the water, with a vacuum being applied to the area. This redirects particle laden air into filtration contact with water multiple times wherein filtration efficiency is in excess of 99%.
La présente invention vise un dispositif de filtration pour aspirateur servant à recueillir de fines particules ayant tendance à boucher les filtres à médium filtrant solide et poreux. Ce dispositif fonctionne avec de l'eau facilement remplaçable avec laquelle l'air à filtrer vient en contact plusieurs fois. Il est muni de chicanes horizontales comportant des ouvertures d'admission d'air positionnées au-dessus de la surface de l'eau, dans une ambiance en dépression, ce qui favorise de multiples contacts de l'air chargé de particules avec l'eau pour une efficacité supérieure à 99 %.
Fetherstonhaugh & Co.
Sanchez Angelo
LandOfFree
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