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:
Dec. 12, 2023
Filed:
Jun. 17, 2021
Mitsubishi Electric Corporation, Tokyo, JP;
Akihito Mori, Tokyo, JP;
Naoya Hashimoto, Tokyo, JP;
Kiyoshi Nakano, Tokyo, JP;
Kazuya Hasegawa, Tokyo, JP;
Norihiro Murata, Tokyo, JP;
Tomoyuki Kinoshita, Tokyo, JP;
Kensaku Kuroki, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
In a method for manufacturing a core element which is used for a divisional layer stack core of a rotary electric machine, the method includes: a first punch cutting out process for punch cutting out a first core element having a product shape, from a belt like electromagnetic steel sheet, with a press mechanism which has a feeding device of the electromagnetic steel sheet, a feeding process for feeding the electromagnetic steel sheet, with the feeding device, and a second punch cutting out process for positioning with a product shaped pilot which has an external shape of the core element, using a punch cut out trace shape of the first core element, and producing a second core element having the product shape, by punch cutting out with the press mechanism.