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:
Jun. 04, 2024
Filed:
Nov. 29, 2021
Safran Aircraft Engines, Paris, FR;
Carole Onja Rakotoarisoa, Moissy-Cramayel, FR;
Teddy Fixy, Moissy-Cramayel, FR;
Guillaume Pascal Jean-Charles Gondre, Moissy-Cramayel, FR;
Julien Paul Schneider-Die-Gross, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to a fan blade () made of composite material the fibrous reinforcement of which comprises first strands () having a first stiffness, second strands () having a second stiffness and third strands () having a third stiffness lower than the first stiffness and greater than the second stiffness, the blade comprising a first portion () comprising only first strands (), a second portion () comprising only second strands () and a third portion () which is located between the first and second portions () and which comprises both first, second and third strands (); there is a gradual transition of properties at the interface between the different portions ().