Wind turbine structure and method of assembly

F - Mech Eng,Light,Heat,Weapons – 03 – D

Patent

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F03D 3/00 (2006.01) E04H 12/00 (2006.01) F03D 3/06 (2006.01)

Patent

CA 2690955

There is provided a vertical axis wind turbine comprising a generally vertical tower, a generally vertical rotatable shaft co-extending from the tower, a plurality of generally vertical aerofoil-shaped blades, a plurality of elongated supporting arms and a plurality of elongated tensioning members, wherein each of said arms defines at least one axial cavity for receiving at least one of said tensioning members connecting said blade to said shaft while submitting said arm to a compression stress The wind turbine may further comprise a shaft stabilizing assembly comprising at least three wheels having a compliant outer layer, said wheels being rotatably mounted on the tower for rotatably and radially supporting the shaft. The invention is further concerned with a method of assembly of the turbine.

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