Patent ID: 6528774
Filing Date: 2003-03-04
Classification: H05B

Abstract:
A built-in microwave oven, comprising an external casing, and a cooking cavity set within said external casing and used for heating food seated therein, further comprising:a suction grille provided on a front wall of said external casing at a position corresponding to an upper portion above said cooking cavity for sucking air into the external casing; an exhaust grille provided on said front wall of the external casing for discharging air from the external casing to the atmosphere; an exhaust fan provided on a top wall of said cooking cavity at a front portion around the suction grille, and used for generating a suction force for sucking air into the external casing through the suction grille; a partition wall longitudinally installed at a position in back of said exhaust fan; and an internal air passage guiding the air from the suction grille to the exhaust grille, whereby the air sucked into the external casing by the suction force of the exhaust fan partially flows from a rear passage defined in back of the partition wall to a front passage defined in front of the partition wall prior to flowing through the internal air passage to the exhaust grille.