Rotation support structure of planetary gear set for power transmission system
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United States of America Patent
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Apr 16, 2019
Grant Date -
Feb 1, 2018
app pub date -
Nov 10, 2016
filing date -
Jul 27, 2016
priority date (Note) -
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Abstract
A rotation support structure of a planetary gear set included in a power transmission system of a vehicle, includes: a first shaft that a sun gear of the planetary gear set is integrally formed at an end portion of; a second shaft that is directly connected to a planet carrier of the planetary gear set which rotatably supports a plurality of pinion gears that are externally meshed with the sun gear and is disposed on a same axis as the first shaft; a plurality of bearings that is disposed in an inner space portion of an external gear and rotatably supports a ring gear of the planetary gear set which is internally meshed with the pinion gears and is integrally connected to the external gear for an output via a retainer; and a first support that is formed in a front housing and rotatably supports the ring gear.
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