| 摘要 |
PURPOSE: A ventilation fan is provided to increase a space conjugation rate and maintain the ventilating capacity. CONSTITUTION: A ventilation fan comprises an inhalation part(120), a fan housing(110) and a width extension part. A fan is in the inhalation part and the air moves within the inhalation part. The fan housing includes a discharge part and is extended from the inhalation part. The width extension part is located in both sides of the fan housing and lengthens the width of the discharge part.
|
