Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
William Scott Keeley0
Date of Patent
February 12, 2019
0Patent Application Number
153656480
Date Filed
November 30, 2016
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A semi-ringed airfoil is designed in conjunction with a fluid turbine rotor blade to provide increased rotor-tip speed, increased coefficient of power, reduced wind shear and reduced noise. A dual-winglet rotor blade in combination with a semi-ringed airfoil increases the above mentioned benefits by increasing the rotor-blade tip surface-area that is in contact with the area of increased fluid velocity over the semi-ringed airfoil.
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