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:
Mar. 19, 2024
Filed:
Dec. 17, 2020
Safran Aircraft Engines, Paris, FR;
Vivien Mickael Courtier, Moissy-Cramayel, FR;
Teddy Fixy, Moissy-Cramayel, FR;
Clement Pierre Postec, Moissy-Cramayel, FR;
Eddy Keomorakott Souryavongsa, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
Fan or propeller vane () for an aircraft turbomachine, the vane being made from a composite material and comprising a blade () and a base (), the base being formed by a longitudinal end () of a spar () which is formed by a fibrous reinforcement formed from threads woven in three dimensions and a portion () of which extends inside the blade (), the blade () having an aerodynamic profile which is defined by a skin () which is formed by woven threads and which surrounds the portion of the spar, the spar () and the skin () being embedded in a polymerised resin, characterised in that the portion () of the spar comprises projecting longitudinal stiffening members () which together delimit spaces () for receiving longitudinal inserts () which are formed from a honeycomb material.