| 摘要 |
<p>PURPOSE: A vertical wind power generation device having length-variable vanes is provided to improve power conversion efficiency with reduced reverse resistance because the distance between the front end of vane units and a shaft unit increases or decreases according to rotational directions. CONSTITUTION: A vertical wind power generation device having length-variable vanes comprises a vertical shaft unit(10), vane units(20), a wind direction interlocking unit(30), and a tract rail(40). The vane units are rotated on the shaft unit by a wind force to supply the rotating force to the shaft unit. The distance between the front end of the vane units and the shaft unit changes. The wind direction interlocking unit independently rotates from the shaft unit according to wind directions. The track rail is formed in the wind direction interlocking unit.</p> |
