Patent 10167208 was granted and assigned to LG on January, 2019 by the United States Patent and Trademark Office.
A sterilizing system according to the present invention includes a water supply apparatus provided with a filter unit having a plurality of filters, a water tank storing water purified by the filter unit, a water cock and water tank connection passages, and a sterilizer to sterilize the water supply apparatus, wherein the sterilizer comprises a sterilizing water generator, a circulation pump, a circulation passage, a rinsing water supply passage, a first drain passage and a first drain valve.