Patent ID: 8443621

Claim:
A refrigerator, comprising: a main body including at least one refrigerating chamber and at least one freezing chamber; an ice-making tray disposed at one side of the at least one refrigerating chamber that receives water to be used to make ice; an ice-making pipe that freezes the water received in the ice-making tray; a container disposed in one of refrigerating chamber doors of the at least one refrigerating chamber so that an outer surface thereof is exposed to an inside of the at least one refrigerating chamber and configured to receive ice from the ice-making tray; and a cold air flow passage that supplies cold air to the container, to maintain ice received in the container in a frozen state wherein the cold air flow passage extends along a ceiling of the at least one refrigerating chamber, wherein: one or more holes located at an end section of the cold air flow passage is the only hole or are the only holes that direct cold air into the at least one refrigerating chamber, the cold air passage is separated from being in communication with an interior of the at least one refrigerating chamber continuously from a first point to a second point, the first point corresponds to a point at which the cold air passage enters the at least one refrigerating chamber and the second point corresponds to a point where the one or more holes are located, and the cold air passage includes no air intake ports in the at least one refrigerating chamber between the first point and the second point, and wherein in an ice-releasing process, the ice-making tray is instantly heated by power applied to the tray.