Wind wheel with variable blades and attack angles
A wind wheel and blade technology, applied in the field of wind energy utilization, can solve problems such as difficulty in starting, unstable power, and low efficiency
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[0026] see Figure 1-4 , the invention utilizes simple structural changes to transform the wind rotor between the resistance type and the lift type, the angle of attack is variable, and the utilization rate of wind energy is improved.
[0027] The embodiments of the present invention are described below in conjunction with the accompanying drawings of the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments. Those skilled in the art will not depart from the claims of the present invention according to the present invention. Various alterations and modifications within the prescribed scope all belong to the protection scope of the present invention.
[0028] figure 1It is a diagram of a blade structure embodiment of a blade and an angle-of-attack variable wind wheel of the present invention. In the figure, 1 is the main blade, 2 is the auxiliary blade, 3 is the blade connecting shaft, 4 is th...
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