Title:
POWER TRANSMISSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/182445
Kind Code:
A1
Abstract:
[Problem] To dispose two pumps in a housing, without increasing the size of a power transmission device in a rotation axis direction. [Solution] A power transmission device for a vehicle, which comprises a housing that houses a power transmission mechanism, a control valve that controls a hydraulic pressure supplied to the power transmission mechanism, and a first pump and a second pump that supply oil to the control valve. The housing has a first chamber that houses the power transmission mechanism and the first pump, and a second chamber disposed adjacent to the first chamber in a horizontal line direction. The first pump is disposed in the first chamber such that the rotation axis of the first pump is oriented along the rotation axis of the power transmission mechanism, the control valve is disposed vertically in the second chamber, and the second pump is disposed vertically in the second chamber such that the rotation axis of the second pump is oriented along an up-down direction.
Inventors:
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)
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)
Application Number:
PCT/JP2023/011608
Publication Date:
September 28, 2023
Filing Date:
March 23, 2023
Export Citation:
Assignee:
JATCO LTD (JP)
NISSAN MOTOR (JP)
NISSAN MOTOR (JP)
International Classes:
F16H57/02
Foreign References:
| JP2015045401A | 2015-03-12 | |||
| JP2015135155A | 2015-07-27 |
Attorney, Agent or Firm:
TAKEHARA Naohiko et al. (JP)
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