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:
Nov. 02, 2021

Filed:

Jan. 14, 2020
Applicants:

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

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Naomi Inoue, Anjo, JP;

Hiroaki Wakimoto, Nagoya, JP;

Tsuyoshi Miyaji, Toyohashi, JP;

Motoki Hiraoka, Toyota, JP;

Daisuke Ichigozaki, Toyota, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); H02K 15/03 (2006.01); H02K 1/27 (2006.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); H02K 1/276 (2013.01); Y10T 29/49012 (2015.01);
Abstract

A manufacturing method of a core for a rotary electric machine, the method includes inserting a permanent magnet that is not yet magnetized in a magnet insertion hole that is formed in a rotor core; injecting a magnet fixing material in the magnet insertion hole; curing the magnet fixing material by heating the rotor core and the permanent magnet; and magnetizing the permanent magnet before a temperature of the rotor core and the permanent magnet decreases to a normal temperature, after the curing of the magnet fixing material.


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