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:
Nov. 10, 2026
Filed:
Oct. 12, 2023
Safran, Paris, FR;
Bastien Tranquart, Moissy-Cramayel, FR;
Vincent Joudon, Moissy-Cramayel, FR;
Vivien Mickaël Courtier, Moissy-Cramayel, FR;
Rémi Grenêche, Moissy-Cramayel, FR;
SAFRAN, Paris, FR;
Abstract
Disclosed is a variable pitch vane for a turbomachine fan comprising a blade () and a root (). The root () comprises a bulb () and a stalk () connecting the bulb () to the blade (), the bulb () being connected to the stalk () by a neck () defining a local minimum of the cross-section of the root () along a plane orthogonal to the pitch axis. At least one segment of the root () including the neck () and at least a portion of the stalk () comprises a surface layer and an inner layer between the pitch axis and the surface layer, the inner layer having a stiffness strictly greater than the stiffness of the surface layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile