Abstract: An electric oven includes a cooking cavity surrounded by an inner case and being openable by a door; a first heater for heating the cooking cavity; at least one supplemental heater for heating the cooking cavity; and a controller operating the first heater to generate heat when starting cooking and selectively operating the at least one supplemental heater during cooking.

Abstract: A door opening and closing system for a electric oven is provided. The system includes: at least one latch provided at one side surface of a door; a door interlocking structure having a rotary lever, a switch and an elastic spring to sense opening and closing of the door, the rotary lever being pushed by the latch to rotate about one side, the switch sequentially contacting with the rotary lever, and the elastic spring allowing the rotary lever to be supported in one direction; and a door locking structure having a motor, a rotary unit and a latch guide unit, the motor rotating after it is sensed that the door is closed by the door interlocking structure, the rotary unit engaged with and rotated about a rotary shaft of the motor, and the latch guide unit being associated with the rotary unit to change a rotation motion of the rotary unit into a straight-line motion such that the door is latched to the latch to prevent an erroneous opening of the door.

Abstract: An electric oven is provided with an improved structure for uniform transmission of heat from a heater to food in a cooking cavity. The electric oven includes an outer case, an inner case, a heater cover, at least one heater, a fan housing, and a fan. The outer case has a door mounted in a front part thereof, the inner case is in the outer case, and the inner case has a plurality of holes in an upper part thereof. The heater cover is located over the holes, and the heater is under the heater cover. The fan housing is attached to an inside wall of the inner case, and has a plurality of apertures. The fan is between the fan housing and an inside wall of the inner case, for drawing air from the cooking cavity and blowing a portion, or all of the air toward the heater.

Abstract: The present invention relates to an electric oven with an improved structure for uniform transmission of heat from a heater to food in a cooking cavity. The electric oven includes an outer case, an inner case, a heater cover, at least one heater, a fan housing, and a fan. The outer case has a door mounted in a front part thereof, the inner case in the outer case, and the inner case has a plurality of holes in an upper part thereof. The heater cover in the upper part of the inner case over the holes, and the heater is under the heater cover. The fan housing is attached to an inside wall of the inner case, and has a plurality of apertures. The fan is between the fan housing and an inside wall of the inner case, for drawing air from the cooking cavity and blowing a portion, or all of the air toward the heater.