Bimetallic turbine shroud and method of fabricating
US9416671B2 · kind B2 · utility
0Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 4, 2012 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Jan 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49236
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bimetallic ring for use as a turbine shroud in a gas turbine engine. The bimetallic ring forms a sealing surface as a hot gas flow path boundary in the engine. The ring is comprised of two materials. The first material, a wrought, oxidation resistant metal alloy comprises a first portion, which is the hot gas flow path sealing surface. The second material, a low cost low alloy steel, comprises a second portion that may be at least a pair of supporting side plates. A dissimilar weld joint joins the sealing surface to the second portion, the at least pair of supporting side plates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.