| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a windmill, which generates even in weak wind that most possibly occurs in practical use, which is calm during operation, which runs stably even in severe natural environments such as a typhoon and a gust, which is of simple structure that can be easily manufactured at low cost, which is highly safe, which needs no maintenance for a long period, and which is not conspicuous in life environments to prevent a feeling of incongruity, for solving problems in conventional devices for seeking spread of wind power generation for household use in totally considering global environments and energy problems. <P>SOLUTION: In this windmill, advantages of a vertical shaft windmill of a lift type such as no need of direction control to wind, high speed rotation, etc., are achieved. Advantages of a resistance type windmill such as starting force even in weak wind are incorporated in blades. A plurality of blades constantly contribute to rotation force. A high speed rotation restricting function is also provided. A wind power generator that is easily started, and achieves favorable efficiency, and that can be operated for a long period is thus provided. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
