Patent ID: 7493777

Claim:
A cold air guide structure of an ice-making chamber of a cold chamber door, the structure comprising: the cold chamber door; an insulation case disposed inside of the cold chamber door, thermally insulated and having an ice-making chamber therein; an ice-making unit installed in the ice-making chamber of the insulation case, for icing a supplied water by an ice-making cold air and housing pieces of ice; an insulation cover for opening and closing the ice-making chamber of the insulation case; a cold air inlet port for sucking or discharging the ice-making cold air into the ice-making chamber; a cold air outlet port for exhausting the ice-making cold air from the ice-making chamber; a cold air supply duct disposed inside a wall of the cold chamber for supplying the cold air to the cold air outlet port; an ice-making cold air guide unit for guiding the ice-making cold air to a predetermined air passage to suck or exhaust the ice-making cold air into or from the ice-making chamber; and an ice and water dispenser.