Air purifier

Claim 1

Apparatus for admixing with air a volatile media such as a disinfectant or perfume, comprising a hollow housing formed by a unitary tunnel-like body having an open side, end walls and an outward edge extending about the periphery of said open side, for securement to a wall or support said tunnel-like body defining a duct-like air path, an intake opening formed in one of the end walls of said housing, a filter removably mounted in said intake opening, a blower mounted in said housing spaced from said intake opening for drawing air into the interior of said housing, said blower comprising a centrifugal fan having a disc-like housing, an axial inlet and a tangential outlet, said blower being mounted on a solid horizontal plate dividing said housing with said plate being mounted for removal through the open side of said tunnel-like body, an outlet opening formed in the tunnel-like body of said housing in communication with the tangential outlet of said blower for expelling air therefrom, a volatile media, a perforated plate for support of said volatile media removably mounted in said tunnel-like body between said air inlet and said blower and in proximity to said intake opening, an electric motor for driving said blower mounted beneath said blower in said tunnel-like body, and means for controlling the operation of said blower including a timer switch connected to said motor, said time switch being adjustable to activate said motor at predetermined selected times and for predetermined selected duration to periodically draw air into said housing and to cause said air to admix with said volatile media within said housing, said admixed air and volatile media thereafter flowing outwardly of said outlet opening and including a printed circuit conductor plate removably mounted in said housing below said blower with at least said control means for said blower being mounted on said conductor plate.