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US Patent 11339725 Mechanical reduction gear of aircraft turbomachine

Patent 11339725 was granted and assigned to Safran Transmission Systems on May, 2022 by the United States Patent and Trademark Office.

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Is a
Patent
Patent

Patent attributes

Patent Applicant
‌
Safran Transmission Systems
Current Assignee
‌
Safran Transmission Systems
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11339725
Date of Patent
May 24, 2022
Patent Application Number
16848642
Date Filed
April 14, 2020
Patent Citations Received
‌
US Patent 11643972 Turbomachines and epicyclic gear assemblies with symmetrical compound arrangement
0
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US Patent 11873767 Gearbox configurations for clockwise and counterclockwise propeller rotation
0
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US Patent 11958621 Systems and methods for, and components of, gearboxes for eVTOL aircraft
0
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US Patent 12060837 Reduction gearbox for gas turbine engine
0
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US Patent 12104541 Method and system for assembling a reduction gearbox
0
Patent Primary Examiner
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Tisha D Lewis
CPC Code
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F05D 2260/4031
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F16H 1/28
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F16H 2001/2881
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F05D 2220/323

A mechanical reduction gear for a turbomachine, in particular for an aircraft, this reduction gear including a sun gear having an axis of rotation, a ring gear which extends around the sun gear and which is configured to be fixed in rotation around the axis, planet gears which are in mesh with the sun gear and the ring gear and which are held by a planet carrier which is configured to be fixed or in rotation around the axis, each planet gear including a first toothing of average diameter D

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