Low-ductility turbine shroud
US9175579B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 22, 2012 |
| Grant date | Nov 3, 2015 |
| Priority date | — |
| Expiry date | May 23, 2033 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/6033
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A shroud segment for a gas turbine engine, the shroud segment constructed from a composite material including reinforcing fibers embedded in a matrix, and having a cross-sectional shape defined by opposed forward and aft walls, and opposed inner and outer walls, the walls extending between opposed first and second end faces, wherein the inner wall defines an arcuate inner flowpath surface; and wherein a compound fillet is disposed at a junction between first and second ones of the walls, the compound fillet including first and second portions, the second portion having a concave curvature extending into the first one of the walls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.