发明名称 |
TUBOFAN ENGINE |
摘要 |
<p>A hub-side leading edge part of a fan first-stage rotating blade 10 for taking an air thereinto more extends in a forward direction of an engine than a tip-side leading edge part and a mid-span leading edge part. The hub side of the fan first-stage rotating blade 10 is integrally connected as one with the tip side and the mid span while having a longer chord length than those of the tip side and the mid span. A radius at a root of the hub-side leading edge part is set in a boss ratio of 0 to 0.4.</p> |
申请公布号 |
EP2037126(A1) |
申请公布日期 |
2009.03.18 |
申请号 |
EP20070741180 |
申请日期 |
2007.04.06 |
申请人 |
IHI CORPORATION |
发明人 |
KODAMA, HIDEKAZU;GOTO, SHINYA;MIZUTA, IKUHISA;MUROOKA, TAKESHI |
分类号 |
F04D29/38;F01D5/14;F02K3/06 |
主分类号 |
F04D29/38 |
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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