Turbine engine blade made of composite material, and a method of fabricating it
US9605543B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 10, 2010 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | May 16, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49337
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A turbine engine blade made of composite material including fiber reinforcement densified by a matrix is fabricated by a method including: performing three-dimensional weaving to make a single-piece fiber blank; shaping the fiber blank to obtain a single-piece fiber preform having a first portion forming a preform for a blade root and an airfoil, at least one second portion forming a preform for a blade inner platform or for wipers of a blade outer platform, and at least one third portion forming a preform for reinforcing a blade inner platform or for overhangs of a blade outer platform; and densifying the fiber preform with a matrix to obtain a composite material blade having fiber reinforcement constituted by the preform and densified by the matrix, and forming a single piece with an inner and/or outer platform incorporated therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.