发明名称 |
Hollow turbine blade stiffening |
摘要 |
An apparatus and method for at least one of stiffening a rotor blade of a gas turbine engine and raising a natural vibration frequency of the blade. The blade has a recess extending radially and inwardly into the blade. A reinforcing element is provided in the recess at a selected position to thereby allow a large blade chord at the tip end of the blade.
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申请公布号 |
US2005084380(A1) |
申请公布日期 |
2005.04.21 |
申请号 |
US20030685707 |
申请日期 |
2003.10.16 |
申请人 |
PRATT & WHITNEY CANADA CORP. |
发明人 |
FETT STEVEN J.;SMITH SCOTT W.;LE BICH NHU |
分类号 |
F01D5/16;F01D5/18;(IPC1-7):B63H1/26 |
主分类号 |
F01D5/16 |
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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