Patent ID: 8567210

Claim:
A refrigerator comprising: a main body comprising a chilling chamber and a freezing chamber; a refrigerator door coupled to the main body to open or close the chilling chamber; an ice-making device positioned at the refrigerator door and configured to make ice, the ice-making device comprising a case; a cool air supply part positioned on the case and configured to supply cool air generated from the freezing chamber to inside of the case; a freezing core vertically arranged in the ice making unit and cooled by cool air case, the freezing core comprising an upper portion and a lower portion; an ice tray disposed below the freezing core, the ice tray having a space to receive at least one the lower portion of the freezing core therein; at least one heat-transferring fin coupled to the freezing core, the at least one heat-transferring fin comprising a hole into which the upper portion of the freezing core is inserted; a cool air introduction part coupled to the cool air supply part to extend to an upper side of the freezing core such that cool air discharged from the cool air introduction part flows to the upper portion of the freezing core; and a cool air outlet positioned at a side of the ice tray to discharge the cool air to outside of the case, wherein the at least one heat-transferring fin is arranged horizontally to guide the cool air to the cool air outlet.