ACTIVE MATERIAL ENABLED PRESSURE RELEASE VALVES AND METHODS OF USE
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United States of America Patent
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Issued Date -
Sep 18, 2014
app pub date -
Mar 14, 2014
filing date -
Oct 20, 2008
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Abstract
A valve includes a housing and vane that is movable to a predetermined position. An actuator mechanically couples to the movable vane. The actuator is a wire device fabricated from shape memory alloy which, when activated, urges the movable vane toward the predetermined position. A power supply is configured to activate the actuator in response to an activation command and an indication that the movable vane is not in the predetermined position.
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