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.

Date of Patent:
Oct. 01, 2024

Filed:

Sep. 12, 2023
Applicant:

Safran Transmission Systems, Colombes, FR;

Inventors:

Bálint Pap, Moissy-Cramayel, FR;

Clément Jarroux, Moissy-Cramayel, FR;

Guillaume Pierre Mouly, Moissy-Cramayel, FR;

Pierre-Damien Tune, Moissy-Cramayel, FR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 15/12 (2006.01);
U.S. Cl.
CPC ...
F01D 15/12 (2013.01); F05D 2240/50 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/98 (2013.01);
Abstract

A drive assembly for a mechanical reducer for a turbomachine, in particular for an aircraft, includes planet gears, a planet carrier having at least one transverse wall, plain bearings for guiding the planet gears in rotation, and an oil supply circuit for the plain bearings. The planet carrier has collars for attaching the planet gears to the at least one transverse wall, and each of the planet gears includes at least one external cylindrical surface for forming an oil film with an internal cylindrical surface portion of each of the collars for forming said oil film.


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