发明名称 |
Turbine disc and retaining nut arrangement |
摘要 |
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. |
申请公布号 |
US8186939(B2) |
申请公布日期 |
2012.05.29 |
申请号 |
US20090546990 |
申请日期 |
2009.08.25 |
申请人 |
LECUYER DANIEL;CARRIERES ALAIN;DI PAOLA FRANCO;PRATT & WHITNEY CANADA CORP. |
发明人 |
LECUYER DANIEL;CARRIERES ALAIN;DI PAOLA FRANCO |
分类号 |
F03B3/00 |
主分类号 |
F03B3/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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