Oscillating foil turbine
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United States of America Patent
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Feb 7, 2017
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N/A
app pub date -
Nov 2, 2011
filing date -
Nov 3, 2010
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Abstract
An oscillating foil turbine has a foil having a first fluid dynamic surface for producing lift in a fluid flow, a support for the foil, and a second fluid dynamic surface, wherein the support allows for cyclic motion of the first and second surfaces with respect to each other. A driven member is provided to tap energy from flow throughout each cycle. Throughout at least part of the cyclic translation, the fluid dynamic surfaces are oriented sufficiently parallel, and separated by a distance that is sufficiently small, to achieve a substantial wing-in-ground effect.
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