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:
Jan. 21, 2025
Filed:
May. 25, 2022
Safran Aircraft Engines, Paris, FR;
Guillaume Pascal Jean-Charles Gondre, Moissy-Cramayel, FR;
Nicolas Paul Tableau, Moissy-Cramayel, FR;
Julien Paul Schneider-Die-Gross, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
The invention relates to a fan blade () of a turbomachine () comprising a structure () made of composite material having, within the root () and/or the stilt () of the blade, a first layer () comprising the lower face () and having a first thickness (E) of between 10% and 25% of the total thickness (E), a second layer () comprising the suction face () and having a second thickness (E) of between 10% and 25% of the total thickness (E), and a central layer () extending between the first layer () and the second layer (), the shortening of the warp strands () in the first and second layers () being greater than the shortening of the warp strands () in the central layer ().