摘要 |
The invention relates to an air purification apparatus. The apparatus is disposed in a window for separating an indoor space and an outdoor space. The apparatus comprising: an inlet chamber having a first inlet, a second inlet and an outlet, wherein the first inlet is operatively open to the outdoor space and the second inlet is operatively open to the indoor space;an air pumping unit for pumping air from the inlet chamber to the indoor space through the outlet, wherein the air is pumped into the inlet chamber through the first inlet or through the second inlet;and a filtering unit disposed upstream of the air pumping unit, for filtering pollutants in the air. |