Invention Grant
US07934315B2 Method of repairing shrouded turbine blades with cracks in the vicinity of the outer shroud notch
有权
在外护罩缺口附近修复带有裂纹的被覆盖的涡轮叶片的方法
- Patent Title: Method of repairing shrouded turbine blades with cracks in the vicinity of the outer shroud notch
- Patent Title (中): 在外护罩缺口附近修复带有裂纹的被覆盖的涡轮叶片的方法
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Application No.: US11503325Application Date: 2006-08-11
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Publication No.: US07934315B2Publication Date: 2011-05-03
- Inventor: Timothy A. Milleville
- Applicant: Timothy A. Milleville
- Applicant Address: US CT Hartford
- Assignee: United Technologies Corporation
- Current Assignee: United Technologies Corporation
- Current Assignee Address: US CT Hartford
- Agency: Kinney & Lange, P.A.
- Main IPC: B23P6/00
- IPC: B23P6/00

Abstract:
A method of repairing a damaged notch fillet radius of a turbine blade shroud includes a replacement notch fillet radius and a hardface nugget. The damaged notch fillet radius is blended out and a hardface structure positioned proximate the damaged notch fillet radius is removed. A replacement notch fillet radius is formed with weld filler and the hardface nugget is welded to at least a portion of the replacement notch fillet radius.
Public/Granted literature
- US20080047138A1 Method of repairing shrouded turbine blades with cracks in the vicinity of the outer shroud notch Public/Granted day:2008-02-28
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