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.

Date of Patent:
Jun. 30, 2020

Filed:

May. 23, 2017
Applicants:

Toyota Jidosha Kabushiki Kaisha, Toyota-shi, JP;

Aisin Aw Co., Ltd., Anjo-shi, JP;

Inventors:

Kozo Yamamoto, Nagoya, JP;

Hideki Nakagawa, Toyota, JP;

Hirofumi Nakada, Toyota, JP;

Miki Natsume, Nukata-gun, JP;

Haruki Shirasaka, Anjo, JP;

Assignees:

TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota-shi, JP;

AISIN AW CO., LTD., Anjo-shi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16H 57/04 (2010.01); F16H 37/02 (2006.01);
U.S. Cl.
CPC ...
F16H 57/0471 (2013.01); F16H 57/0431 (2013.01); F16H 57/0489 (2013.01); F16H 37/022 (2013.01);
Abstract

A power transmission system includes a first case, a second case, a first tube, and a shaft. The first tube is configured to supply a lubricating oil to a first bearing and a second bearing. A shaft is rotatably supported by the first bearing and the second bearing. The shaft is provided with a through-hole extending through the shaft in an axial direction of the shaft. The first tube is insertedly fixed to an insertion hole of the first case from an outside of a space where the shaft is disposed. The first tube includes a first opening and a second opening, the first opening is configured to supply the lubricating oil to the first bearing, and the second opening is configured to supply the lubricating oil to the second bearing via the through-hole of the shaft.


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