Vertical axis wind turbine and curved slender airfoil therefor

Details Vertical axis wind turbine and curved slender airfoil therefor Vertical axis wind turbine and curved slender airfoil therefor

F - Mech Eng,Light,Heat,Weapons

03

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170/5

F03D 3/00 (2006.01) F03D 3/06 (2006.01)

Patent

CA 1151072

ABSTRACT OF THE DISCLOSURE A wind turbine generator of the Darrieus type and more particularly a curved slender airfoil for such wind turbine generator characterized by that airfoil compri- sing a pair of straight opposite end portions and a curved intermediate sector portion cooperatively approximating a troposkein shape coextensive spanwise with the airfoil; the intermediate sector portion being made of a plurality of straight airfoil sections joined one to another end to end in the spanwise direction with cranked connections, joining the airfoil sections one to another and including at least one cranked connector at each joint holding the corresponding pair of straight airfoil sections in predetermined angular relationship relative one to the other.

381813

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