Gas turbine engine fan casing having a flange for fastening pieces of equipment
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United States of America Patent
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Aug 18, 2015
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app pub date -
Feb 5, 2013
filing date -
Feb 6, 2012
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Abstract
The invention provides a fan casing for a gas turbine engine, the casing having a substantially cylindrical portion that terminates at one end in an annular flange made of composite material. The flange includes at least one setback in a fraction of its thickness and at least one bolt for fastening pieces of equipment passing right through the flange in the axial direction, the bolt for fastening pieces of equipment having a head that presents a flat that is to bear flat against a rim of the setback, and a shank forming a stud for fastening pieces of equipment on the casing.
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