Turbine disc and retaining nut arrangement
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United States of America Patent
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May 29, 2012
Grant Date -
Mar 3, 2011
app pub date -
Aug 25, 2009
filing date -
Aug 25, 2009
priority date (Note) -
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Abstract
A turbine rotor for a gas turbine engine including a disc having a hub defining a central bore for receiving an engine shaft. A nut retains the disc on the shaft. The disc retaining nut has at least one cooling passage defined therein and disposed for directing a flow of cooling air passing through the bore of the disc.
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