| 摘要 |
<p>A natural ventilator for a building configured to supply optimum rates of fresh air into a building interior. The ventilator is optimised with regard to spacing between vent blades of the louver and the angle of inclination of each blade relative to a horizontal plane. An active-passive natural ventilator is also provided comprising a low power fan to assist the rate of fresh air delivery through the ventilator. The position of the fan within the ventilator is optimised with the fan positioned at an uppermost region and internal of the louver.</p> |
