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. 20, 2023

Filed:

Jun. 29, 2021
Applicant:

Toyota Jidosha Kabushiki Kaisha, Toyota, JP;

Inventors:

Kenta Takeshima, Okazaki, JP;

Shuzaburo Kita, Toyota, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 15/03 (2006.01); H02K 1/28 (2006.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 15/03 (2013.01); H02K 1/276 (2013.01); H02K 1/28 (2013.01); Y10T 29/49012 (2015.01);
Abstract

A manufacturing method of a rotor for an electric motor is disclosed herein. The rotor may include a rotor core having a through hole that extends along an axial direction of the rotor; a magnet inserted in the through hole; and a sheet disposed between an inner surface of the through hole and the magnet. The method may include inserting the sheet into the through hole such that the sheet extends through the through hole; and inserting the magnet into the through hole while the sheet is pulled at axial ends of the sheet in opposite directions to apply tension to the sheet and press the sheet against the inner surface.


Find Patent Forward Citations

Loading…