US Patent 6932569 Active control of multi-element rotor blade airfoils
Patent 6932569 was granted and assigned to Sikorsky Aircraft on August, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A multi-element rotor blade includes an individually controllable main element and fixed aerodynamic surface in an aerodynamically efficient location relative to the main element. The main element is controlled to locate the fixed aerodynamic surface in a position to increase lift and/or reduce drag upon the main element at various azimuthal positions during rotation.
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Patent Inventor Names
Ashish Bagai0
Michael S. Torok0
Robert C. Moffitt0
Date of Patent
August 23, 2005
0Patent Application Number
103311070
Date Filed
December 27, 2002
0Patent Primary Examiner
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US Patent 6932569 Active control of multi-element rotor blade airfoils
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