Preforms system for CMC blades
US11428107B2 · kind B2 · utility
2Cited by
9References
16Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 3, 2019 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Aug 16, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF05D2300/614
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A bladed disk preform system is provided. Multiple sheets are formed or provided. Each of the sheets may include multiple ceramic fibers. Slots may be cut in each of the sheets before or after forming. The slots extend from an outer edge of the sheets inward toward a center of the sheets. The sheets are stacked on top of each other to form a bladed disk preform. The bladed disk preform is porous. The bladed disk preform may include a plurality of blade portions extending outward from a root portion. Each of the slots is positioned between adjacent blade portions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.