Patent 8003924 was granted and assigned to LG on August, 2011 by the United States Patent and Trademark Office.
A cooking appliance includes at least one heating element; a heat sink connected to the heating element, to radiate heat generated by the heating element; a cooling fan located at one side of the heat sink, to blow cooling air to the heat sink; and a flow guide covering at least a portion of the heat sink and guiding a portion of the cooling air to flow to the heating element.