ACTIVE CONTROL SURFACES FOR WIND TURBINE BLADES
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United States of America Patent
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Issued Date -
Oct 14, 2010
app pub date -
Nov 6, 2008
filing date -
Nov 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A wind turbine has a longitudinal airfoil blade that exerts a torque on the generator in response to an impinging air current. A compliant airfoil edge arrangement is disposed along an edge of the airfoil blade for at least a portion of a longitudinal dimension of the airfoil blade. A morphing drive arrangement varies a configuration of the compliant airfoil edge arrangement and consequently the aerodynamic characteristics of the airfoil blade. A drive arrangement applies actuation forces to the upper and lower compliant surfaces via the upper and lower actuation elements. The compliant airfoil edge is arranged as a trailing edge of the airfoil blade.
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