US Patent 7296565 Cooling apparatus of cooking appliance

A cooling apparatus of a cooking appliance including a cabinet having a cooking chamber located therein and an electric component chamber located outside the cooking chamber; a door installed on the cabinet for opening and closing the cooking chamber, and having channels so as to cause external air to flow into the electric component chamber and a part of the air to flow into the electric component chamber via side surfaces of the cooking chamber; and an air blower installed in the electric component chamber for forcibly sucking in the external air and discharging air having cooled the door and the electric component chamber, thereby improving cooling efficiency of the door and the inside of the electric component chamber.