Exhaust nozzle center body attachment
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United States of America Patent
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Oct 10, 2017
Grant Date -
May 12, 2016
app pub date -
Nov 7, 2014
filing date -
Nov 7, 2014
priority date (Note) -
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Abstract
A ceramic turbine engine exhaust component, such as a ceramic matrix composite (“CMC”) exhaust center body may be positioned around a metallic attachment ring. The attachment ring may have a greater coefficient of thermal expansion than the CMC center body. A plurality of bolts radially-spaced around the circumference of the attachment ring may be inserted through apertures in the center body with a sliding fit, and may be coupled to the attachment ring. The bolts may slide within the apertures, allowing the attachment ring to thermally expand without applying extra loads on the exhaust center body due to the expansion.
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