Patents

USA:  7967569, 8322035, 8272840, 8496433, 8390142, 8390142, 8567038,  8608449


KOREA:  10-1039915, 10-1296785, 10-1115740, 10-1026888, 10-1039915


EU/EP:  2039929, 2098726


CHINA:  7780411, 9394883,  9366226 

7967569

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At a small certain blade angle range condition, the orientation of the concave side of the blade. It can significantly improve the efficiency of small vertical wind turbine.

8322035

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Based on patent 7967569, it further specifies the relationship between blade width and wind wheel diameter ratio. Further improve the small vertical wind turbine efficiency. 

8272840

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About the positive pitch angle regulation structure. It is for over-speed protection when the wind speed over the rated wind speed. It can significantly improve power generation wind speed range of the small wind turbine.  

8496433

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A similar patent with above patent of 8272840.

8390142

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Coaxial structure of wind wheel and generator. It can significantly improve the stability when the wind wheel rotation and extend the life of all type of  vertical wind turbine. 

8567038

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Transportation Safety and Convenience.

8608449

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Large vertical wind turbine structure patent for reducing the cost of wind turbine manufacturing.

7780411

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The “active real time attack angle regulation” theory, the most efficiency power generation used for large vertical wind turbine. 

9394883

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Super Wind Turbine with low power generation cost and controllable peak power generation.

9366226

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Super wind turbine.

VAWT Design Solution

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300W Structure

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1 KW Structure

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3 KW Structure

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5 KW Structure

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10 KW Structure

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50 KW Structure

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500 KW STRUCTURE