| 摘要 |
PROBLEM TO BE SOLVED: To provide a drag type dynamo rotating with high drag difference thereby to generate power.SOLUTION: A rotational shaft 2 includes and blades 4 having a blade frame 8 and opening/closing curtains 1 attached to the blade frame 8 and capable of being opened/closed. The blades 4 installed on the same rotational shaft 2 are connected to each other with a cable 6.SELECTED DRAWING: Figure 1 |
