Patent ID: 8011195

Claim:
A Kimchi refrigerator comprising: a cooling system to cool an interior of the refrigerator in which Kimchi is stored; and a control unit to control the cooling system to change from a fermentation mode to a keeping mode, and to repeatedly perform, in the keeping mode, a cold shock operation at predetermined time intervals, wherein in the cold shock operation the interior of the refrigerator is cooled for a predetermined period of time to a cold shock temperature lower than a keeping temperature of the keeping mode, wherein the control unit changes the time intervals of the cold shock operation, and wherein the fermentation mode is performed to ferment and ripen Kimchi, and the keeping mode is performed to store Kimchi after the fermentation mode, and wherein the control unit controls the cooling system such that the cold shock operation is performed when a mode change is completed from the fermentation mode to the keeping mode and when the keeping mode is performed, and the cold shock operation is repeatedly performed at the time intervals, wherein the control unit controls the cooling system such that the cold shock operation includes a plurality of cold shock operations, and a first cold shock operation is performed at a beginning of the keeping mode.