发明授权
- 专利标题: Gas turbine engine airfoil
- 专利标题(中): 燃气涡轮发动机翼型
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申请号: US14625413申请日: 2015-02-18
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公开(公告)号: US09163517B2公开(公告)日: 2015-10-20
- 发明人: Edward J. Gallagher , Byron R. Monzon , Ling Liu , Linda S. Li , Darryl Whitlow , Barry M. Ford
- 申请人: United Technologies Corporation
- 申请人地址: US CT Hartford
- 专利权人: UNITED TECHNOLOGIES CORPORATION
- 当前专利权人: UNITED TECHNOLOGIES CORPORATION
- 当前专利权人地址: US CT Hartford
- 代理机构: Carlson, Gaskey & Olds, P.C.
- 主分类号: F01D5/14
- IPC分类号: F01D5/14 ; F02K3/00
摘要:
An airfoil for a turbine engine includes pressure and suction sides that extend in a radial direction from a 0% span position at an inner flow path location to a 100% span position at an airfoil tip. The airfoil has a relationship between a stacking offset and a span position that is at least a third order polynomial curve that includes at least one positive and negative slope. The positive slope crosses an initial axial stacking offset that corresponds to the 0% span position at a zero-crossing position. A first axial stacking offset X1 is provided from the zero-crossing position to a negative-most value on the curve. A second axial stacking offset X2 is provided from the zero-crossing position to a positive-most value on the curve. A ratio of the second to first axial stacking offset X2/X1 is between 1.5 and 2.0 or less than 1.4.
公开/授权文献
- US20150233251A1 GAS TURBINE ENGINE AIRFOIL 公开/授权日:2015-08-20
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