Patent · US Active

Composite turbomachine blade with in-built root

US9528378B2 · kind B2 · utility

2Cited by
12References
15Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 11, 2012
Grant dateDec 27, 2016
Priority date
Expiry dateOct 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.