Patent ID: 7025812
Filing Date: 2006-04-11
Classification: B01D,Y02A

Abstract:
1. A portable air cleaning apparatus, comprising: a body casing a bottom wall, at least one sidewall extending from and about the bottom wall, and a removable top wall extending over the sidewall, the body casing defining a hollow interior having an upper portion defining a fluid spray chamber and a lower portion defining a liquid reservoir; at least one air inlet extending through the body casing for admitting ambient air into the hollow interior; a plurality of air outlets extending through the body casing for exhausting purified air from the hollow interior; means for drawing ambient air through the air inlet into the fluid spray chamber and for discharging cleansed air through the air outlets; at least one spray nozzle disposed inside the fluid spray chamber adapted for spraying a liquid fluid into the fluid spray chamber as a plurality of fine droplets; at least one replaceable inlet filter located below the air inlet for creating a counter-current contact between the liquid fluid and the air and for removing a portion of air-borne impurities retained in the liquid fluid; and at least one replaceable outlet filter disposed immediately before the air outlets for removing impurities and particulate matter from the cleansed air.