Patent ID: 7230255

Claim:
A photocatalyst sterilizer, comprising: an upper cap having a cylindrical shape, comprising an upper cylindrical cap part, and a lower cylindrical cap part having a diameter smaller than that of the upper cylindrical cap part and integrally provided under a lower end of the upper cylindrical cap part; a quartz tube fastened at an upper end thereof in the upper cap, with an UV (ultraviolet) lamp provided in the quartz tube; an inner pipe fastened at an upper end thereof in the upper cap and provided around an outer surface of the quartz tube to be spaced apart from each other at a predetermined interval, so as to discharge water, fed from the upper end thereof, through a lower end thereof to an outside of the inner pipe; a photocatalyst-coated carrier provided between the quartz tube and the inner pipe; and an outer pipe fastened at an upper end thereof in the upper cap and provided around an outer surface of the inner pipe to be spaced apart from each other at a predetermined interval, so as to feed water, drawn through a lower end thereof, to the upper end of the inner pipe, wherein the outer pipe is configured to flow water substantially unhindered.