Axial retention feature for gas turbine engine vanes
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United States of America Patent
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Dec 3, 2013
Grant Date -
Jun 28, 2012
app pub date -
Dec 22, 2010
filing date -
Dec 22, 2010
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A case assembly for a gas turbine engine is provided that includes an outer case with circumferentially spaced individual bosses that include a recess. A vane assembly is received in the outer case. An axial retention ring has uninstalled and installed conditions. The axial retention ring outside of the recess is in the uninstalled condition and received in the recess in the installed condition. An anti-rotation feature, such as a ring, is arranged between the bosses in a locking condition to prevent rotation of the axial retention ring between the installed and uninstalled conditions.
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