| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a wind power generation device which is miniaturized to be installed in the rooftop of a building or in the veranda of a house, and reduces a wind noise. <P>SOLUTION: A plurality of windmills 1, 2, 3 with the different number of blades and a plurality of power generating machines 4 directly connected to the windmills 1, 2, 3 are provided in a straight line leaving a space between them to increase the amount of power generation, and the wind noise is distributed into various frequencies to reduce the noise. <P>COPYRIGHT: (C)2003,JPO |
