Patent ID: 6855295

Claim:
A UV air cleaning and disinfecting system comprising: (a) an enclosed chassis having an inlet/outlet surface panel on one planar side thereof, said surface panel having a longitudinal length and a latitudinal width, said chassis being adapted to be mounted in a space behind a ceiling surface of a room space with its surface panel substantially coplanar with the ceiling surface and facing into the room space; (b) a pair of inlet vent arrays formed in the inlet/outlet surface panel for taking incoming air into the chassis, said inlet vent arrays being positioned spaced apart on opposite longitudinal sides of the surface panel from each other; (c) a pair of outlet vent arrays formed in the inlet/outlet surface panel for delivering outgoing air from the chassis, said outlet vent arrays being positioned spaced apart on opposite latitudinal sides of the surface panel from each other; and (d) said chassis including an air blower unit for taking incoming air into the chassis and delivering outgoing air from the chassis, and an ultraviolet (UV) radiation unit for exposing air taken into the chassis to UV rays sufficient to kill microbes and pathogens therein before it is delivered from the chassis; (e) wherein said pair of inlet vent arrays positioned on opposite longitudinal sides and said pair of outlet vent arrays positioned on opposite latitudinal sides of the surface panel are operative to establish a pair of longitudinally opposite incoming air streams normal to a pair of latitudinally opposite outgoing air streams which result in four mutually circulating air streams in a four-leaf-clover pattern in the room space.