发明授权
US06243948B1 Modification and repair of film cooling holes in gas turbine engine components
失效
燃气轮机发动机部件中薄膜冷却孔的修改和修理
- 专利标题： Modification and repair of film cooling holes in gas turbine engine components
- 专利标题（中）： 燃气轮机发动机部件中薄膜冷却孔的修改和修理
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申请号： US09443132申请日： 1999-11-18
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公开(公告)号： US06243948B1公开(公告)日： 2001-06-12
- 发明人: Ching-Pang Lee , Robert A. Johnson , Nesim Abuaf
- 申请人： Ching-Pang Lee , Robert A. Johnson , Nesim Abuaf
- 主分类号： B23P1500
- IPC分类号： B23P1500
摘要：
A method for modifying cooling holes in a gas turbine engine film-cooled component by machining cooling hole outlets to enlarge the outlets and remove any portion of the cooling hole walls which might exhibit cracks.
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