Structure and method for providing compliance and sealing between ceramic and metallic structures
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United States of America Patent
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Apr 24, 2018
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N/A
app pub date -
Dec 27, 2013
filing date -
Mar 5, 2013
priority date (Note) -
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Abstract
A structure providing compliance and sealing between ceramic or ceramic composite (CMC) part and a metallic part has an interface component for centering the CMC part in the metallic part, thus reducing thermal stress motion of the CMC component. In gas turbine engine applications, the structure comprises a CMC blade track inserted in a clip placed within a metallic hanger. The clip provides for radial compliance and secures controlled leakage of cooling air required to ensure that acceptable temperatures are maintained for the metallic structures. A washer is positioned adjacent to the clip provide for axial orientation of the blade track.
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