Patent ID: 6464760
Filing Date: 2002-10-15
Classification: B01D

Abstract:
An air purification and sanitation unit comprising:a housing having an internal wall defining a germicidal chamber; said housing having an air inlet located at a front portion of said housing, and an air outlet located at a portion of said housing downstream of said air inlet; a blower for generating an air stream from said air inlet to said air outlet; a first means for filtering said air stream, said first means operably engaged to said housing; a second means for tiltering said air stream, said second means operably engaged to said housing; a third means for filtering said air stream, said third means operably engaged to said housing; each of said means for filtering said air stream disposed in tandem with one another, so that said air stream is filtered stuccessively by said first means, said second means, and said third means; an ultra violet light source disposed so as to irradiate said chamber and said air stream, and being disposed so as to irradiate a downstream side of said third means for filtering said air stream; a safety circuit to interrupt power to said ultra violet light source where a means for filtering said air stream is not operably engaged.