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:
Jan. 25, 2022
Filed:
Apr. 04, 2018
Safran Transmission Systems, Colombes, FR;
Mathieu Jean Charrier, Moissy-Cramayel, FR;
Guillaume Julien Beck, Moissy-Cramayel, FR;
Jean-Charles Michel Pierre Di Giovanni, Moissy-Cramayel, FR;
Alexis Claude Michel Dombek, Moissy-Cramayel, FR;
Patrice Jocelyn Francis Gedin, Moissy-Cramayel, FR;
Boris Pierre Marcel Morelli, Moissy-Cramayel, FR;
SAFRAN TRANSMISSION SYSTEMS, Colombes, FR;
Abstract
An impeller () for a planet carrier of a planetary gear speed reducer of a turbomachine, said impeller having a generally annular shape and comprising means () for supporting axes of rotation of planets of said reducer, said impeller comprising means for lubricating teeth of said planets and bearings of said axes, said lubrication means comprising an annular groove () located on the internal periphery of said impeller and opening radially towards the inside, said groove being connected to lubricant supply and/or spray means, characterised in that the impeller comprises dynamic annular sealing means () located at the inner periphery of said impeller, on either side of the groove, and configured to interact with a stator () of the reducer or of the turbomachine intended to extend inside of and coaxially with the impeller.