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:
Oct. 13, 2026

Filed:

Sep. 04, 2024
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventor:

Masato Fujikawa, Susono, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 9/19 (2006.01); H02K 5/20 (2006.01);
U.S. Cl.
CPC ...
H02K 5/203 (2021.01);
Abstract

A motor case includes: a case inner wall, and an oil passage provided on the case inner wall to flow a lubricating oil therein. Further, the case inner wall includes a plurality of wedge-shaped portions, arranged side by side in a circumferential direction of a stator, for supporting an outer periphery of the stator, and a corrugated portion disposed radially outward of the stator with respect to the plurality of wedge-shaped portions and disposed around the plurality of wedge-shaped portions, and the oil passage is provided between the plurality of wedge-shaped portions and the corrugated portion, so that a lubricating oil is meandering so as to flow in the radial direction and in the circumferential direction of the stator.


Find Patent Forward Citations

Fujikawa, Masato. (2026). Motor case with corrugated oil passage (U.S. Patent No. 12763634). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12763634

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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