Shape-memory material actuators
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United States of America Patent
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Feb 28, 2023
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N/A
app pub date -
May 18, 2022
filing date -
May 18, 2022
priority date (Note) -
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Abstract
An actuator that includes a shell, a ring structure within the shell, a shape-memory material wire fixed at opposite points of the ring structure to extend in a first direction across a width of the ring structure, and a cooling fluid provided within the shell and in fluid communication with the shape-memory material wire. When the shape-memory material wire is heated, the shape-memory material wire contracts in the first direction to reduce the width of the ring structure and increases a height of the ring structure extending in a second direction perpendicular to the first direction.
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