Cage planet carrier for a speed-reducing unit with an epicyclic gear train
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United States of America Patent
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Oct 26, 2021
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app pub date -
Apr 26, 2018
filing date -
Apr 27, 2017
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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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