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:
Aug. 23, 2022
Filed:
Sep. 03, 2018
Aisin Corporation, Kariya, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Masayuki Ikemoto, Anjo, JP;
Takefumi Komaki, Anjo, JP;
Tsuyoshi Miyaji, Toyohashi, JP;
Takamasa Takeuchi, Anjo, JP;
Teppei Tsuda, Nagoya, JP;
AISIN CORPORATION, Kariya, JP;
AISIN SEIKI KABUSHIKI KAISHA, Kariya, JP;
Abstract
A rotor that includes a shaft; a rotor core that is attached to the shaft and that is configured of a plurality of electric steel plates that are stacked; and a permanent magnet that is embedded in the rotor core, wherein: a coolant supply port that supplies a coolant to the rotor core is provided in the shaft, and at least two electric steel plates of the plurality of electric steel plates each include a first portion that has a first thickness in a rotational axis direction and a second portion that has a second thickness in the rotational axis direction, which is thinner than the first portion, the second portion extending in a radial direction and configuring a flow path through which the coolant supplied from the coolant supply port of the shaft flows.