Composite turbomachine blade with in-built root
US9528378B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | May 11, 2012 |
| Grant date | Dec 27, 2016 |
| Priority date | — |
| Expiry date | Oct 12, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49337
- WIPO fieldEngines, pumps, turbines
- WIPO sectorMechanical engineering
Abstract
A turbine engine blade of composite material comprising fiber reinforcement obtained by multilayer weaving of yarns and densified by a matrix. The blade has a first portion constituting an airfoil forming a single piece with at least one second portion constituting a blade root. The fiber reinforcement portions corresponding to the first and second portions of the blade are mutually interleaved, at least in part, with yarns of the second fiber reinforcement portion penetrating into the first fiber reinforcement portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.