| 摘要 |
<p>PURPOSE: A blade for wind power generation is provided to rotate in a fixed direction regardless of wind direction and rotary shaft type. CONSTITUTION: A blade for wind power generation comprises a rotary shaft(30), an upper support plate(20-1) and a plurality of blades(10a,10b,10c). A plurality of blades has the front side cross section which is tapered off to the upper support plate. A plurality of blades is tilted toward ground. The blade has the cross section of plane wing shape. The blade is twisted to have a twist angle which is tapered off toward the front side from the rear side.</p> |
