Method of repairing turbine blades
US4896408A · kind A · utility
15Cited by
4References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 5, 1988 |
| Grant date | Jan 30, 1990 |
| Priority date | — |
| Expiry date | Aug 5, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49742
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of repairing a turbine blade of the type wherein each of an array of blades has a tennon extending into a shroud passing around the outside of the blade, the repair being to the area of the blade in which the tennon is situated and comprises the steps of removing at least a part of the shroud, removing the damaged tennon and a part of the blade on which the tennon is situated, manufacturing a new tennon and blade part and locating that new part to at least one adjacent blade in a proper position while the new tennon and blade part is welded to the remaining part of the blade.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.