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:
Jul. 08, 2025
Filed:
Sep. 05, 2022
Safran Aircraft Engines, Paris, FR;
Regis Eugene Henri Servant, Moissy-Cramayel, FR;
Clement Cottet, Moissy-Cramayel, FR;
Mathias Gautier, Moissy-Cramayel, FR;
SAFRAN AIRCRAFT ENGINES, Paris, FR;
Abstract
A propeller for an aircraft turbomachine, the propeller having; a hub extending around a first axis including openings distributed around the first axis, each of the openings having a substantially radial orientation relative to the first axis and extending through the hub, a system for controlling the angular setting of a blade which is mounted in each of the openings, and bearings for guiding the control system, which are mounted in each of the openings, the guide bearings including two guide bearings, one of which includes two annular rows of angular contact coaxial balls having different diameters.