| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating cooker capable of efficiently cooling components disposed in a machine chamber in a cabinet by a fan device providing large air volume at low costs. SOLUTION: The fan device 4 for air-cooling the components in the machine chamber 5 in the cabinet 81 is disposed, the fan device 4 is composed of a turbo fan 3 composed of a backward fan blade 31, and a shroud 30 and a hub 32 holding the fan blade 31, in the turbo fan 3, a hub outer diameter is smaller than a shroud inner diameter, a casing 2 receiving the turbo fan 3 has the cylindrical shape having a shield face shielded at its one face and provided with a supply opening 20 formed by cutting a cylindrical curved face, the turbo fan 3 is disposed in a state that its hub 32 side faces in the vicinity of the cylindrical shield face in the casing 2, a fan motor 39 is connected to a shroud 30 side, and the air sucked from the air suction hole 19 formed at an inner side of the casing 2 on a bottom surface of the machine chamber 5 is supplied to the components received in the machine chamber 5 from the supply opening 20 to cool the components. COPYRIGHT: (C)2009,JPO&INPIT
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