Patent ID: 6897460

Claim:
An ultraviolet pasteurizer comprising: an ultraviolet lamp; a light shield door having the ultraviolet lamp mounted thereon, said light shield door being openable and closable to block or pass ultraviolet radiation emitted from said ultraviolet lamp; an inner radiation chamber definable inwardly of said light shield door when said light shield door is closed; an air inlet and an air outlet providing communication between said inner radiation chamber and an external space; a fan for introducing air from the external space via said air inlet into said inner radiation chamber, displacing the air near said ultraviolet lamp, and discharging the air from said air outlet; and a main body, said light shield door being angularly movably supported on said main body, the arrangement being such that when the ultraviolet radiation emitted from said ultraviolet lamp is to be radiated outwardly, said light shield door is angularly moved and held on said main body to expose said ultraviolet lamp outwardly, and when the ultraviolet radiation emitted from said ultraviolet lamp is to be radiated into said inner radiation chamber, said light shield door is angularly moved and held on said main body to direct said ultraviolet lamp into said inner radiation chamber.