| 摘要 |
A fume exhausting device comprises a housing in which an air flow guiding box and a transverse impeller are disposed. The air flow guiding box is formed by a front plate, a top plate, a rear plate, a left plate and a right plate. The top plate is provided with an opening. The transverse impeller is located horizontally in the air flow guiding box such that the impeller is pivoted respectively at the left end thereof and the right end thereof to the left plate and the right plate of the air flow guiding box, and that the impeller is driven by the motor. A bottom plate is fastened to the housing such that the opening of the front plate of the air flow guiding box is sealed off by the bottom plate which is provided with a plurality of ventilation holes.
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