Methods and apparatus for repairing a rotor assembly of a turbine
US6837685B2 · kind B2 · utility
6Cited by
6References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 13, 2002 |
| Grant date | Jan 4, 2005 |
| Priority date | — |
| Expiry date | Apr 25, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF01D5/005
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of repairing a rim of a rotor wheel is provided. The rotor wheel includes a rim, the rim having at least one slot defined by a slot bottom wall and at least one corner, the slot sized to receive the dovetail of a rotor blade therein. The method includes forming a first pocket at the at least one corner, wherein the first pocket has a first radius of curvature and forming a second pocket along the slot bottom wall, wherein the second pocket has a second radius of curvature and is spaced a distance along the slot bottom wall from the first notch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.