Patent 7847219 was granted and assigned to LG on December, 2010 by the United States Patent and Trademark Office.
An electric oven includes a door and a compartment having an internal space that is selectively closed by the door. The door has a cooling air opening oil a surface facing the compartment, and the compartment has an intake opening configured to receive air exhausted through the cooling air opening. A shield element prevents foreign matter from entering into the door through the cooling air opening.