Gas turbine engine tip clearance control
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United States of America Patent
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Feb 13, 2018
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N/A
app pub date -
Jun 30, 2014
filing date -
Dec 30, 2011
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Abstract
A gas turbine engine is disclosed having a thermoelectric device capable of changing a tip clearance in a turbomachinery component. In one non-limiting form the turbomachinery component is a compressor. The thermoelectric device can be used in some forms to harvest power derived from a waste heat. The tip clearance control system can include a sensor used to determine a clearance between a tip and a wall of the turbomachinery component.
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