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. 16, 2024
Filed:
May. 15, 2020
Safran Helicopter Engines, Bordes, FR;
Rémi Joseph Lanquetin, Moissy-Cramayel, FR;
Arnaud Georges Nifenecker, Moissy-Cramayel, FR;
Antoine Lahittete, Moissy-Cramayel, FR;
SAFRAN HELICOPTER ENGINES, Bordes, FR;
Abstract
The present invention relates to a pinion for a gear train of an aircraft turbine engine, the pinion comprising: —a cylindrical body () extending along an axis and configured to engage with a shaft received in the cylindrical body, —a rim () concentric with the cylindrical body, —a web () defined axially by a front wall () and a rear wall () and extending radially from the cylindrical body to the rim, each of the front and rear walls having a density, the pinion comprising a cross-linked structure () around the cylindrical body between the front wall and the rear wall, the cross-linked structure comprising a unit cell repeated along three axes of a three-dimensional coordinate system, a density of the unit cell being strictly less than each of the densities of the front and rear walls.