Thermal energy harvesting optimization with bistable elements and collaborative behavior
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United States of America Patent
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May 8, 2018
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app pub date -
Jul 19, 2017
filing date -
Nov 9, 2011
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Abstract
A system includes a hot source, a cold source, and a device thermally coupled between the hot source and the cold source. The device includes a thermal-mechanical transducer and a mechanical-electrical transducer. The thermal-mechanical transducer includes a band of bimetallic strips linked mechanically together by their longitudinal ends. The band partially suspended over a portion of a substrate. Each bimetallic strip has a first stable state having a first curvature and a second stable state having a second curvature opposite the first curvature, and adjacent bimetallic strips have opposite curvature.
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