SHAPE MEMORY ALLOY INTERSEGMENT SEALS
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Jun 11, 2013
filing date -
Jun 11, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A high-temperature seal for use in sealing gaps between adjacent turbine components includes a seal body constructed of a shape-memory alloy having inoperative size and shape that, in use, expands to an operative size and shape where it is in sealing engagement with the adjacent turbine component upon reaching a predetermined transition temperature. Upon subsequent cooling to a temperature below the predetermined temperature, the seal body reverts to the first inoperative shape or to another inoperative size and shape.
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