The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 23, 2025
Filed:
Mar. 23, 2023
Jatco Ltd, Fuij, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Katsunori Yamashita, Kanagawa, JP;
Hirohisa Yukawa, Tokyo, JP;
Masahiro Kouya, Kanagawa, JP;
Tomoo Ikeda, Gunma, JP;
Kenji Kojima, Kanagawa, JP;
Akira Higashiyama, Kanagawa, JP;
Yasuaki Yumoto, Tokyo, JP;
Tsutomu Itou, Shizuoka, JP;
Kazuya Numata, Fuji, JP;
Junnosuke Kawahara, Kanagawa, JP;
Kazunori Akiyama, Kanagawa, JP;
JATCO LTD, Fuji, JP;
Nissan Motor Co., Ltd., Yokohama, JP;
Abstract
A power transmission device includes a case that houses a power transmission mechanism, a control valve arranged upright inside the case, and first and second pumps configured to supply oil to the control valve. The case has a first support wall that supports an axis of rotation of the power transmission mechanism, a second support wall that supports the control valve and is arranged aligned with the axis of rotation, a first chamber located on one side of the first support wall, a second chamber adjacent to the first chamber across the second support wall, and a third support wall extending from the second support wall along the axis of rotation to the other side of the first support wall. The first pump is mounted on the first support wall inside the first chamber. The second pump is mounted on the third support wall inside the second chamber.