| 摘要 |
<p>The method involves loading supply air openings (11, 22) with supply air alternatively, where the supply air openings are spaced apart a distance from each other. Supply air lines (1, 2) with the supply air openings are loaded with the supply air alternatively. Exhaust air openings spaced apart a distance from each other are loaded with exhaust air alternatively. Exhaust air lines (3) with the exhaust air openings are loaded with exhaust air alternatively. The supply air openings/supply air lines and/or the exhaust air openings/exhaust air lines are opened or closed by control valves (12, 23). An independent claim is also included for a device for providing ventilation to an area via supply air openings and exhaust air openings.</p> |
