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. 03, 2025
Filed:
Nov. 22, 2023
Safran Transmission Systems, Colombes, FR;
Jordane Emile Andre Peltier, Moissy-Cramayel, FR;
Dhafer Ghribi, Moissy-Cramayel, FR;
Balint Pap, Moissy-Cramayel, FR;
Antoine Jacques Marie Pennacino, Moissy-Cramayel, FR;
Jean-Pierre Serey, Moissy-Cramayel, FR;
SAFRAN TRANSMISSION SYSTEMS, Colombes, FR;
Abstract
A plain bearing for a planet gear of a turbomachine mechanical reduction gear, the plain bearing having an annular barrel with an axis which delimits at least one central bore centred on the axis, and the barrel having annular grooves which extend around the axis and which open out axially in opposite orientations at the axial ends of the barrel, each annular groove being delimited by two coaxial internal and external walls of the barrel connected by a transverse bottom wall which has at least one opening which opens into a cavity which is formed in the barrel between said the at least one central bore and a periphery of the barrel, characterised in that wherein each cavity is closed by a sealing seal.