Method of fabricating a composite material casing for a gas turbine engine, and a casing obtained thereby
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United States of America Patent
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Oct 10, 2017
Grant Date -
Aug 13, 2015
app pub date -
Sep 6, 2013
filing date -
Sep 10, 2012
priority date (Note) -
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Abstract
A method of fabricating a composite material casing for a gas turbine engine, the method including making an outer shroud including a platform and a flange, making an inner shroud of smaller diameter than the outer shroud and including a platform and a flange, making a plurality of casing arms, each including a blade that is terminated at each radial end by a respective platform, arranging a plurality of openings in the respective platforms of the shrouds, each opening serving to receive a platform of a casing arm, and assembling the casing arms with the outer shroud and with the inner shroud by inserting the platforms of the casing arms in the openings of the shrouds. A composite material casing is obtained by such a method.
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