Patent ID: 6716265
Filing Date: 2004-04-06
Classification: B01D,F24F

Abstract:
An air treatment apparatus comprising:a housing having an upper segment with a treatment element and a lower segment having a front plate with at least one entrance defined in the front plate; a fan secured in the housing and facing the at least one entrance in the plate; and a vent cover with at least one vent detachably and interchangeably attached to the housing, wherein the upper segment of the housing comprises: a rear plate: a top plate vertically extending from a top of the rear plate; two side plates respectively and vertically extending from two opposite sides of the rear plate to define an opening between the rear plate, the top plate and the side plates to receive the treatment element and to attach the vent cover in the opening; a first inclined edge is formed on a free end of each side face of the vent cover; a first vertical edge is formed on a free end of each side face of the vent cover and above the inclined edge; a second inclined edge is formfed on a free end of each side plate of the housing and corresponds to the first inclined edge on one of the side faces of the vent cover; and a second vertical edge is formed on a free end of each side plate of the housing and corresponds to the first vertical edge on one of the side faces of the vent cover.