US Patent 10107546 Refrigerator and method of controlling the same

This disclosure is related to a refrigerator and a method of controlling the same. The refrigerator includes a dispenser passage, a water supplier for supplying sterilizing water or rinsing water to the dispenser passage, a drain for draining the sterilizing water or the rinsing water that is supplied to the dispenser passage, and a controller for performing a sterilization cycle and controlling the water supplier and the drain to perform a rinsing cycle after completing the sterilization cycle, wherein the sterilization cycle is a cycle of keeping the sterilizing water in the dispenser passage and then draining the sterilizing water, and the rinsing cycle is a cycle of supplying the rinsing water to the dispenser passage and draining the rinsing water therefrom.