公开(公告)号：US12181028B2

公开(公告)日：2024-12-31

申请号：US18583078

申请日：2024-02-21

Applicant: LG Electronics Inc.

Inventor： Kyeonghwan Kim ,  Hyojin Ko ,  Junyoung Song

IPC: F16H3/46 ,  D06F37/30 ,  F16H57/021 ,  F16H57/08 ,  F16H63/30 ,  F16H57/02

Abstract: A planetary gear assembly includes a carrier shaft supported on a drum shaft by a first fastening member; a coupling shaft including a first shaft portion in the carrier shaft and a first flange portion fixed to the carrier shaft by a second fastening member, a carrier including a second shaft portion in the first shaft portion and a second flange portion positioned at a back side of the first flange portion of the coupling shaft, a sun gear supported on the coupling shaft and supported on a rotor frame by a third fastening member, pinion gears coupled to the second flange portion and tooth-coupled with the sun gear, a ring gear tooth-coupled with the pinion gears, and a gear housing accommodating the sun gear, the pinion gears, and the ring gear.