POWER TRANSMISSION DEVICE

WIPO Patent Application WO/2023/182455

A1

[Problem] To increase the support stability of two pumps.　[Solution] A power transmission device having a case for housing a power transmission mechanism, a control valve that controls hydraulic pressure supplied to the power transmission mechanism and that is vertically arranged within the case, and a first pump and second pump that supply oil to the control valve, wherein: the case has a first support wall that supports a rotating shaft of the power transmission mechanism, a second support wall that supports the control valve and that is oriented along the rotating shaft, a first chamber located on one side of the first support wall, a second chamber adjacent to the first chamber with the second support wall therebetween, and a third support wall extending from the second support wall along the rotating shaft to the other side of the first support wall; the first pump is attached to the first support wall within the first chamber; and the second pump is attached to the third support wall within the second chamber.

YAMASHITA KATSUNORI (JP)
YUKAWA HIROHISA (JP)
KOUYA MASAHIRO (JP)
IKEDA TOMOO (JP)
KOJIMA KENJI (JP)
HIGASHIYAMA AKIRA (JP)
YUMOTO YASUAKI (JP)
ITOU TSUTOMU (JP)
NUMATA KAZUYA (JP)
KAWAHARA JUNNOSUKE (JP)
AKIYAMA KAZUNORI (JP)

PCT/JP2023/011618

September 28, 2023

March 23, 2023

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JATCO LTD (JP)
NISSAN MOTOR (JP)

F16H61/00; F16H57/028; F16H57/03

WO2021015205A1	2021-01-28
WO2019176329A1	2019-09-19

JP2015135155A

2015-07-27

TAKEHARA Naohiko et al. (JP)

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