The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 17, 2023
Filed:
Mar. 03, 2021
Safran Aircraft Engines, Paris, FR;
Guillaume Pascal Jean-Charles Gondre, Moissy-Cramayel, FR;
Thomas Alain De Gaillard, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The present invention relates to a fan blade () having a structure made from a composite material, comprising a fibrous reinforcement (), which is obtained by three-dimensional weaving of warp strands and weft strands, and a matrix in which the fibrous reinforcement () is embedded, wherein—the fibrous reinforcement () comprises a first portion () forming the trailing edge () of the structure made from a composite material and a second portion () forming its leading edge (), and wherein—the warp strands of the fibrous reinforcement () comprise first strands () having a predetermined stiffness and second strands () having a greater stiffness than that of the first strands (), the first portion () comprising all or part of the first strands () and being devoid of second strands () while the second portion () comprises all or part of the second strands ().