DEVICE FOR COPING WITH STRONG WIND AND WEAK WIND FOR WIND POWER GENERATION
PROBLEM TO BE SOLVED: To improve generating efficiency by providing a starting propeller strong in turning force with a large number of blades and wide blade width and moreover large in the blade twist angle, and an operating propeller heightened in rotating speed with narrow blade width and a small...
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Format: | Patent |
Sprache: | eng |
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