Multi-cast turbine airfoils and method for making same
US8267663B2 · kind B2 · utility
12Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 2008 |
| Grant date | Sep 18, 2012 |
| Priority date | — |
| Expiry date | Jul 20, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/607
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A gas turbine engine airfoil is made from separate cast sections having different cast alloy structures. The cast alloy structures are selected on the basis of the local operating conditions of each section. Friction welding can be used to join the sections together.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.