Method of repairing a turbine rotor using cold spraying
US9138838B2 · kind B2 · utility
5Cited by
11References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 5, 2012 |
| Grant date | Sep 22, 2015 |
| Priority date | — |
| Expiry date | Apr 28, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4998
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of repairing a damaged rotor comprising: (a) preparing a locally damaged portion of the rotor; (b) cold spraying alloy powder particles onto the locally damaged portion; (c) controlling the cold spraying in step (b) to restore the locally damaged portion to form a repaired portion having substantially the same properties and shape as originally manufactured; and (d) heat treating at least the repaired portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.