Patent ID: 6774347
Filing Date: 2004-08-10
Classification: H05B

Abstract:
A microwave oven to cook food comprising:a body including a cooking cavity and a machine room; a heating element installed in the machine room and which cooks the food in the cooking cavity; a cooling fan installed in the machine room and which sucks atmospheric air through an air inlet side of said cooling fan into the machine room and into the cooking cavity while cooling said heating element installed in the machine room; an air outlet unit to discharge air from the cooking cavity; and a humidity sensor to sense operational conditions of the food in the cooking cavity, wherein said air outlet unit includes: a main-outlet formed at a sidewall of the cooking cavity to allow the cooking cavity to communicate with the atmosphere outside of said body, and a sub-outlet formed at another sidewall of the cooking cavity to allow the cooking cavity to communicate with the air inlet side of said cooling fan; and said humidity sensor includes a contact surface arranged to both sense a humidity of the air discharged from the cooking cavity through the sub-outlet and to contact the atmospheric air sucked into the machine room so as to prevent said humidity sensor from being overheated and/or contaminated by the air discharged from the cooking cavity.