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:
Oct. 25, 2022
Filed:
Sep. 20, 2021
Safran Transmission Systems, Colombes, FR;
Clément Paul René Niepceron, Moissy-Cramayel, FR;
Marc Dominique Seyfrid, Moissy-Cramayel, FR;
SAFRAN TRANSMISSION SYSTEMS, Colombes, FR;
Abstract
A reduction gear for a turbomachine () extending around an axis (X-X) of rotation, comprising a ring gear () connected to a ring gear carrier (), wherein the ring gear carrier () has, according to a section view along a plane including the axis (X-X), an internal segment (), an external segment () and a ring gear support (), extending successively from the internal shaft () until the ring gear support (), the internal segment () extends until a radius Rwith respect to the axis (X-X), the external segment () forms an angle β with the internal segment (), the ring gear support () forms an angle α with the external segment (), and is secured to the ring gear () via a bolted connection accomplished at a nominal radius Rwith respect to the axis (X-X), in that the ratio R/Ris comprised between 0.3 and 0.7.