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. 26, 2021

Filed:

Apr. 26, 2018
Applicant:

Safran Transmission Systems, Colombes, FR;

Inventors:

Jean-Charles Michel Pierre Di Giovanni, Moissy-Cramayel, FR;

Alexis Claude Michel Dombek, Moissy-Cramayel, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/08 (2006.01); F16H 57/04 (2010.01); F16H 1/28 (2006.01);
U.S. Cl.
CPC ...
F16H 57/082 (2013.01); F16H 57/0479 (2013.01); F05D 2220/323 (2013.01); F05D 2260/40311 (2013.01); F05D 2260/98 (2013.01); F16C 2361/61 (2013.01); F16H 1/28 (2013.01); F16H 57/043 (2013.01); F16H 57/0486 (2013.01); F16H 2057/085 (2013.01);
Abstract

A planet carrier for a speed-reducing unit with an epicyclic gear train for a turbine engine, said planet carrier comprising a cage defining an internal space for assembling a central sun gear having an axis of rotation and an annular row of planet gears disposed around the axis and meshed with said sun gear, said cage comprising two substantially parallel annular walls centered on said axis and a cylindrical wall connecting said annular walls to their outer periphery, a first one of said annular walls being connected to a substantially cylindrical body, wherein a second one of said annular walls is formed as a single part with a lubrication grove, channel or duct.


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