Vertical axis windmill with wingletted cam-tiltable blades

Details Vertical axis windmill with wingletted cam-tiltable blades Vertical axis windmill with wingletted cam-tiltable blades

F - Mech Eng,Light,Heat,Weapons

03

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F03D 3/06 (2006.01) F03D 7/06 (2006.01) F04D 29/36 (2006.01)

Patent

CA 2597281

A vertical axis wind turbine with wingletted cam-tiltable blades is provided, including: a generator, a shaft interconnected with the generator, and a plurality of blade sets coupled to the shaft. Cam members are provided inside the shaft and have guide sections of pre-determined shapes. The blade set includes blades that are coupled to crank arms in contact with the guide sections. Thus, when the blades are located in a windward position and a leeward position respectively, the blades are caused by the guide sections to automatically and easily set at an optimum pressure-receiving condition and a least wind-resistance condition respectively, for receiving wind energy from variable directions so that the shaft can be rotated in low wind speed conditions to drive the generator for power generation.

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