Fiber preform for a turbine ring sector, and its method of fabrication
US9581039B2 · kind B2 · utility
Assignees
Inventor
Key dates
| Filing date | Mar 1, 2011 |
| Grant date | Feb 28, 2017 |
| Priority date | — |
| Expiry date | Apr 26, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49323
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A fiber preform for a turbine ring sector obtained by three-dimensional weaving and including a base-forming first portion, two tab-forming L-shaped portions each presenting two branches, two ends of the first portion being extended by respective ones of the first branches, and a second portion connecting together the two tabs, first and second strips woven together forming the first branches, a first fraction of the thicknesses of the second branches, and the first portion, there being a non-linked zone between them that is situated in the first branches and in the first portion, and a third woven strip forming the second portion and a second fraction of the thickness of the second branches of each of the tabs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.