System and method for integrating a horizontal axis wind turbine and a vertical axis wind turbine
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United States of America Patent
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Nov 14, 2017
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app pub date -
Jan 11, 2016
filing date -
Sep 23, 2015
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Abstract
An integrated axis wind turbine system is provided. The system includes a support tower on which is mounted a turbine whose nacelle comprises of drive train consisting of a horizontally aligned main shaft and an associated a set of horizontal shafts at different elevations which transfer rotary motion from a set of blades and which culminates in electricity generation. When the set of blades rotate at an angular speed exceeding a predefined threshold, excess torque is transmitted by a right angle transmission, via a Continuously Variable Transmission, to a vertically aligned central shaft which is coupled to a second turbine's set of blades whose rotary motion also culminates in electricity generation. The angle of attack of wind on the secondary set of blades is adjusted by a blade positioning system. By the integrated operation of the two turbines, the operational capacity of the combined system is increased.
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