Patent ID: 6957549

Claim:
A cool air supplying apparatus of a refrigerator, comprising: a guide passage formed at a rear wall of a refrigerating chamber and provided with a plurality of discharge ports towards the refrigerating chamber for guiding cool air to a rear side of the refrigerating chamber, wherein the plurality of discharge ports are formed at a distance from each other in a widthwise direction of the guide passage; temperature sensors installed at each position of the refrigerating chamber, for detecting temperature inside the refrigerating chamber; a direction control plate disposed near a surface of the guide passage where the discharge ports are formed and moving along a widthwise direction of the guide passage, for selectively opening and closing a selection of the discharge ports to control a direction of cool air discharged into the refrigerating chamber; a control plate driving unit for moving the direction control plate; and a control unit for automatically controlling the control plate driving unit according to temperature inside the refrigerating chamber detected by the temperature sensors.