公开(公告)号：US20240240707A1

公开(公告)日：2024-07-18

申请号：US18527438

申请日：2023-12-04

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Naoto Onoda ,  Yuki Kurosaki ,  Akira Iida ,  Kohji Takamatsu

IPC: F16H57/028 ,  F16H1/28 ,  F16H57/023

CPC classification number: F16H57/028 ,  F16H1/28 ,  F16H57/023 ,  F16H2057/02043

Abstract: A power transmission device includes: a planetary gear mechanism including a sun gear that is an external tooth gear, a ring gear that is an internal tooth gear located coaxially with the sun gear, a pinion gear that is an external tooth gear and meshes with the sun gear and the ring gear, and a carrier that rotatably supports the pinion gear; a case member that accommodates the planetary gear mechanism; an extending member that extends from an outer peripheral portion of the ring gear toward one side in a thrust direction; and a holding member that is provided at an end of the extending member on a side opposite to the ring gear side in the thrust direction, the holding member being connected to the case member for holding the ring gear.

公开(公告)号：US12066092B2

公开(公告)日：2024-08-20

申请号：US18527438

申请日：2023-12-04

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Naoto Onoda ,  Yuki Kurosaki ,  Akira Iida ,  Kohji Takamatsu

IPC: F16H57/028 ,  F16H1/28 ,  F16H57/023 ,  F16H57/02

CPC classification number: F16H57/028 ,  F16H1/28 ,  F16H57/023 ,  F16H2057/02043

Abstract: A power transmission device includes: a planetary gear mechanism including a sun gear that is an external tooth gear, a ring gear that is an internal tooth gear located coaxially with the sun gear, a pinion gear that is an external tooth gear and meshes with the sun gear and the ring gear, and a carrier that rotatably supports the pinion gear; a case member that accommodates the planetary gear mechanism; an extending member that extends from an outer peripheral portion of the ring gear toward one side in a thrust direction; and a holding member that is provided at an end of the extending member on a side opposite to the ring gear side in the thrust direction, the holding member being connected to the case member for holding the ring gear.