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:
May. 17, 2022
Filed:
Aug. 29, 2018
Manufacturing method of core of rotating electrical machine, and core of rotating electrical machine
Applicant:
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Inventors:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 15/02 (2006.01); H02K 15/03 (2006.01); B21D 28/02 (2006.01); H02K 1/14 (2006.01); H02K 1/2786 (2022.01); H02K 5/04 (2006.01); H02K 1/32 (2006.01); H02K 1/276 (2022.01);
U.S. Cl.
CPC ...
H02K 15/02 (2013.01); B21D 28/02 (2013.01); H02K 1/148 (2013.01); H02K 1/2786 (2013.01); H02K 5/04 (2013.01); H02K 15/03 (2013.01); H02K 1/2766 (2013.01); H02K 1/32 (2013.01); Y10T 29/49009 (2015.01);
Abstract
A manufacturing method of a core of a rotating electrical machine includes: a preparation step of preparing a press device; a fixing step of fixing a steel sheet to a shaft member held by the press device by passing the shaft member through a hole provided in the steel sheet and extending in a stacking direction; and a processing step of performing press-working on the steel sheet by the press device in a state where the steel sheet is fixed to the shaft member.