| 摘要 |
<p>It consists of a turbine or fan 2, whose intake is surrounded by a concave screen 1 of large size, in the manner of a funnel. This screen has means for varying the amount of air captured and directed towards the turbine. The installation is mounted on an orientable structure 10 equipped with a sail 13. The air collected by one or more screens may be directed through conduits to the turbine or helix (propeller) (Figure 2).</p> |
