DAMPER ASSEMBLY WITH SHAPE MEMORY ALLOY
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United States of America Patent
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Issued Date -
Nov 8, 2018
app pub date -
May 1, 2018
filing date -
May 1, 2018
priority date (Note) -
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Abstract
A damper assembly includes one or more dampers configured to regulate air flow through the damper assembly and an actuator system configured to move the one or more dampers between an open position and a closed position. The actuator system includes a contraction component coupled to the one or more dampers and comprising a shape memory alloy material. The actuator system further includes a first connector attached to a first end of the contraction component and a second connector attached to a second end of the contraction component. The first connector and the second connector are electrically isolated from the one or more dampers. The contraction component is configured to contract in response to an electric current being applied to at least one of the first connector and the second connector, thereby moving the one or more dampers to the closed position.
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