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. 30, 2026
Filed:
Feb. 10, 2024
Safran Aircraft Engines, Paris, FR;
Vincent Joudon, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A variable-pitch vane made of a composite material for an unducted fan of an aircraft, the vane including a fibrous reinforcement formed as a single piece of three-dimensional fabric obtained by three-dimensional weaving including an airfoil portion and a root portion forming a retaining bulb and intended to be connected to a variable-pitch mechanism, the three-dimensional weaving being carried out continuously between the root portion and the airfoil portion, the fibrous reinforcement defining an internal shaping cavity formed by a separation extending inside the root portion and the blade portion, wherein a matrix densifies the fibrous reinforcement and reinforcing metal shells are arranged around the root portion.