Abstract: A cooling and exhaust system of a dual oven has upper and lower ovens, in which, in one aspect, an installation structure of a cooling fan and an exhaust structure provided for respectively cooling and exhausting the upper and lower ovens may be integrated into a simplified structure having common components to increase the manufacturing productivity. In another aspect, fans provided at the upper and lower ovens may be independently controlled to operate at different speeds according to a desired operation to maximize the cooling efficiency.

Abstract: Provided herein is a cooking apparatus. The cooking apparatus includes a plate forming a cavity, a microwave transmission line to transmit microwaves to the inside of the cavity, and a first metal part connected to one end of the microwave transmission line and extended in one direction so as to be parallel with the plate. Thereby, an antenna having improved efficiency is provided.

Abstract: Provided herein are a cooking apparatus and an operating method thereof. The cooking apparatus includes a microwave generator to generate and output microwaves of a plurality of frequencies to heat an object within a cavity, a resonance mode conversion unit to convert a resonance mode by varying at least one of progressing direction, power or frequency of the microwaves output to the inside of the cavity, and a controller to operate the resonance mode conversion unit, if the number of frequencies of microwaves, the heating efficiencies of which are more than a reference heating efficiency, is below a reference value, based on heating efficiencies calculated according to microwaves reflected by the inside of the cavity from among the output microwaves. Thereby, operating efficiency of the cooking apparatus is improved.

Abstract: Provided herein are a cooking apparatus. The cooking apparatus includes a cavity, and a microwave generator to generate and output microwaves of a plurality of frequencies to heat an object within the cavity, wherein the microwave generator includes a controller to calculate heating efficiencies based on microwaves reflected by the inside of the cavity from among the output microwaves and to calculate heating modes consisting of microwaves for heating, during a scanning session and to control the heating modes so as to achieve the equal heating time during a heating session. Thereby, the object within the cavity is uniformly heated.

Abstract: Disclosed is a steam oven to cook food in a cooking chamber by use of steam. More particularly, disclosed is a steam generator of a steam oven, which can simplify the configuration of a device required to generate steam and is detachably attached to a cabinet to assure easy cleaning and washing thereof. The steam generator includes a single body having an inner space divided into a water supply compartment and a boiler compartment by a partition, the water supply compartment having a water pouring hole, and the boiler compartment having a heater and a steam discharge hole. Also, a water supply passage is defined between the water supply compartment and the boiler compartment. This configuration has the effects of achieving improved workability and reduced manufacturing costs of the steam generator and also, of overcoming a limit in the inner volume of a cooking chamber of the steam oven.

Abstract: A electric oven is provided that includes a body, a cooking chamber located within the body for receiving food, the cooking chamber having an upper surface, a lower surface, and a rear surface joining the upper surface to the lower surface, at least one of a convection heater located at the rear surface of the cooking chamber and a bake heater located at the lower surface of the cooking chamber, and at least two broil heaters located at the upper surface of the cooking chamber, each of the at least two broil heaters being individually operable. Methods for preheating the electric oven are also provided.

Abstract: A multi-disc air diffuser according to the present invention comprises a bolt having a vent groove formed in a longitudinal direction thereof; a plurality of discs, each of the discs having a bolt joint section to be passed through the bolt, an air room for holding the air supplied through the vent groove, and a nozzle section having a plurality of nozzles which are arranged in an end part of the air room at a regular size and intervals, wherein the lower surface of each of the discs is more than the upper surface thereof and the outer circumference surface of each of the discs is formed to be inclined; and a backflow prevention section for joining to an end part of the bolt to adhere closely the discs to one another, connecting the vent groove to an air supply pipe, and having a check valve to prevent the air flowing backward from the vent groove to the air supply pipe.

Abstract: An enamel coating including a phosphate-based ingredient is provided on an inner surface of a cooking chamber and the inner surface of the cooking chamber is cleaned using high-temperature cleaning water. Therefore, the cleaning of the cooking chamber can be performed more efficiently.

Abstract: Disclosed is a steam oven to cook food in a cooking chamber by use of steam. More particularly, disclosed is a steam generator of a steam oven, which can simplify the configuration of a device required to generate steam and is detachably attached to a cabinet to assure easy cleaning and washing thereof. The steam generator includes a single body having an inner space divided into a water supply compartment and a boiler compartment by a partition, the water supply compartment having a water pouring hole, and the boiler compartment having a heater and a steam discharge hole. Also, a water supply passage is defined between the water supply compartment and the boiler compartment. This configuration has the effects of achieving improved workability and reduced manufacturing costs of the steam generator and also, of overcoming a limit in the inner volume of a cooking chamber of the steam oven.

Abstract: An electric oven has an air passage structure that is designed to effectively cool down electric components. The air passage structure quickly cools down a variety of electric components on a top surface of a cavity using air introduced from outside the oven. The oven has a series of passages and openings allowing the effective movement of air past the electric components and through the oven.

Abstract: A door provided with a plurality of insulation layers formed on a periphery portion of a door glass is provided. By the insulation layers, the transferring of heat generated in a cooking chamber to an external side can be remarkably reduced.

Abstract: An electric oven includes a housing having a cooking chamber for cooking food and a component chamber containing components for operating the electric oven. A door is provided on a front of the housing for selectively opening and closing the cooking chamber. A suction duct introduces external air from outside of the housing into the component chamber, and an exhaust duct with a sloped portion discharges air from the component chamber to outside of the housing.

Abstract: A cooling and exhaust system of a dual oven has upper and lower ovens, in which, in one aspect, an installation structure of a cooling fan and an exhaust structure provided for respectively cooling and exhausting the upper and lower ovens may be integrated into a simplified structure having common components to increase the manufacturing productivity. In another aspect, fans provided at the upper and lower ovens may be independently controlled to operate at different speeds according to a desired operation to maximize the cooling efficiency.

Abstract: A electric oven is provided that includes a body, a cooking chamber located within the body for receiving food, the cooking chamber having an upper surface, a lower surface, and a rear surface joining the upper surface to the lower surface, at least one of a convection heater located at the rear surface of the cooking chamber and a bake heater located at the lower surface of the cooking chamber, and at least two broil heaters located at the upper surface of the cooking chamber, each of the at least two broil heaters being individually operable. Methods for preheating the electric oven are also provided.

Abstract: An electric oven includes an oven body, a first convection system having a first convection heater and a first convection fan that are installed in the oven body to operate for a first space in the oven body, and a second convection system having a second convection heater and a second convection fan that are installed in the oven body to operate for a second space in the oven body. Further, the first and second convection fans are driven by a single common driving unit.

Abstract: 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 a suction channel and a discharge channel communicating with the electric component chamber; and an air blower installed in the electric component chamber for sucking air to the inside of the electric component chamber through the suction channel and the discharge channel of the door and discharging the air, so that the external air having a low temperature is directly sucked through the door, cools the electric component chamber, and is then discharged to the outside, thereby increasing cooling efficiency of the door.

Abstract: 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.

Abstract: An electric oven includes a housing having a cooking chamber for cooking food and a component chamber containing components for operating the electric oven. A door is provided on a front of the housing for selectively opening and closing the cooking chamber. A suction duct introduces external air from outside of the housing into the component chamber, and an exhaust duct with a sloped portion discharges air from the component chamber to outside of the housing.

Abstract: An electric oven is provided. The electric oven includes a cavity, a plurality of convection systems each having a convection heater and a convection fan, and a tray dividing the cavity into different spaces. The convection systems are operated for the respective different spaces.