Wind flap brake assembly for wind turbine

Details Wind flap brake assembly for wind turbine Wind flap brake assembly for wind turbine

F - Mech Eng,Light,Heat,Weapons

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F03D 7/00 (2006.01) F03D 7/04 (2006.01) F03D 11/00 (2006.01)

Patent

CA 2636511

A brake assembly for use with a wind turbine. The brake assembly comprises a movable wind flap for attachment to a tail assembly of the wind turbine, the wind flap being configured to assume a first closed position during normal operation, and a second open position when incoming winds exceed a predetermined velocity threshold. Provided on the wind flap is a trip rudder assembly for cooperating with incoming wind to urge the wind flap into the open position. A counterbalance assembly is also provided for biasing the wind flap into the closed position. The wind flap in the open position effects a redirection of a portion of the incoming wind, urging the wind turbine to assume an oblique position relative to the incoming wind, effecting a reduction in rotational velocity of the wind turbine.

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