发明名称 |
DOVETAIL STRUCTURE OF FAN |
摘要 |
The invention provides a dovetail structure of a fan which attaches a fan 20 having an inlet hub diameter smaller than an outlet hub diameter to a portion around a discoid disc rotationally driven by a turbine. The disc 10 has a plurality of dovetail grooves 12 extending at a fixed angle theta<SUB>1 </SUB>with respect to an axis 1 of a rotation axis from a leading edge 10 a to a trailing edge 10 b thereof, and spaced at a fixed angle in a peripheral direction. The fan 20 has a dovetail portion 22 extending at the same angle as an angle of the dovetail groove and capable of being fitted to the dovetail groove, in an inner end thereof.
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申请公布号 |
US2007217914(A1) |
申请公布日期 |
2007.09.20 |
申请号 |
US20070679985 |
申请日期 |
2007.02.28 |
申请人 |
ISHIKAWAJIMA-HARIMA HEAVY INDUSTRIES CO., LTD. |
发明人 |
FUJIMURA TESUJI |
分类号 |
F01D5/30;G01N3/04;G01N3/08 |
主分类号 |
F01D5/30 |
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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