Turbine airfoil with local wall thickness control
US9863254B2 · kind B2 · utility
11Cited by
99References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 23, 2013 |
| Grant date | Jan 9, 2018 |
| Priority date | — |
| Expiry date | Dec 7, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2260/202
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine airfoil for a gas turbine engine including an outer peripheral wall having an external surface, the outer peripheral wall enclosing an interior space and including a concave pressure sidewall and a convex suction sidewall joined together at a leading edge and at a trailing edge; wherein the outer peripheral wall has a varying wall thickness which incorporates a locally-thickened wall portion; and a film cooling hole having a shaped diffuser exit passing through the outer peripheral wall within the locally-thickened wall portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.