发明名称 |
INCREASED IMPACT RESISTANCE IN HOLLOW AIRFOILS |
摘要 |
A hollow airfoil (10) for a gas turbine engine having a leading edge (12), a trailing edge (14), a pressure side (20), and a suction side (22) includes a plurality of internal spanwise stiffening ribs (31-35) that are arranged in a logarithmic pattern. The particular arrangement of internal fibs (31-35) optimizes stiffness of the airfoil (10) without significantly increasing the weight thereof. |
申请公布号 |
EP0823958(A1) |
申请公布日期 |
1998.02.18 |
申请号 |
EP19960918987 |
申请日期 |
1996.04.25 |
申请人 |
UNITED TECHNOLOGIES CORPORATION |
发明人 |
CARTER, DAVID, B.;WEISSE, MICHAEL, A. |
分类号 |
B23P15/04;F01D5/14;F01D5/18;(IPC1-7):F01D5/14 |
主分类号 |
B23P15/04 |
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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