| 摘要 |
<p>A vortex air flow type range hood comprises a main shell body, an oil fume extraction cover, a net cover, a motor, a belt pulley, an exhaust roller, a bearing base with a bearing, a driving belt, an oil removal plate, a cone fan cover, and a blade. With a fan system formed by the vertical exhaust roller and the cone fan cover, the discharge flue of the range hood is not obstructed by any object, and the flue is clear; the area of the air rotated by the cone fan cover exceeds that of a conventional range hood, and the cone fan cover has the blade with a certain angle so that revolving air locally forms swirling air flow that is intense and rises rapidly; therefore, the suction of the range hood is stronger, achieving a better effect.</p> |
