Turbine rotor blade repair method
US8720056B2 · kind B2 · utility
3Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 9, 2009 |
| Grant date | May 13, 2014 |
| Priority date | — |
| Expiry date | Jul 25, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49746
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A turbine rotor blade repair method which reduces the occurrence of cracks due to welding is provided. A turbine rotor blade repair method for repairing damage of a fin at a tip of a turbine rotor blade includes overlaying a damaged portion of the fin with metal by welding (step S2); peening on a boundary region between the fin and the overlaying metal (step S4); and after the peening, performing solution treatment to repair the damage of the fin of the turbine rotor blade (step S6).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.