An apparatus for sterilizing or disinfecting fluids, which comprises a fluid conduit, an ultraviolet light source, which is at least partially within the fluid conduit, and an air drive unit coupled to the fluid conduit. The ultraviolet light source generates an ultraviolet light, which kills microorganisms...http://www.google.ca/patents/US7081225?utm_source=gb-gplus-sharePatent US7081225 - Methods and apparatus for disinfecting and sterilizing fluid using ultraviolet radiation
