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:
Mar. 19, 2024

Filed:

Feb. 06, 2023
Applicant:

Safran Transmission Systems, Colombes, FR;

Inventors:

Patrice Julien Ptaszynski, Moissy Cramayal, FR;

Antoine Jacques Marie Pennacino, Moissy Cramayal, FR;

Boris Pierre Marcel Morelli, Moissy Cramayal, FR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 57/08 (2006.01); F02C 7/36 (2006.01);
U.S. Cl.
CPC ...
F02C 7/36 (2013.01); F16H 57/082 (2013.01); F05D 2220/323 (2013.01); F05D 2250/75 (2013.01); F05D 2260/40311 (2013.01);
Abstract

Speed reduction gear for an aircraft turbomachine. The reduction gear has a main axis and planet carrier having a cage and a cage carrier, a sun gear located in the cage and centred on the main axis, an annular row of planet gears arranged around the main axis and the sun gear and meshed with the sun gear, and a ring gear arranged around the axis and the cage and meshed with the planet gears. The cage and the cage carrier are connected to each other by connections whose bending flexibility is optimised.


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