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:
Apr. 12, 2022
Filed:
Feb. 22, 2018
Mitsubishi Electric Corporation, Tokyo, JP;
Asami Ichikawa, Tokyo, JP;
Takashi Umeda, Tokyo, JP;
MITSUBISHI ELECTRIC CORPORATION, Tokyo, JP;
Abstract
A laminated core of a rotary electric machine having: a first spiral core constituent body layer configured by linking a plurality of metal first core constituent pieces that have a magnet mounting part, the first spiral core constituent body layer being wound in a spiral shape as an integral body; and a second spiral core constituent body layer configured by linking the plurality of first core constituent pieces and a metal second core constituent piece that has a magnet mounting part, the second core constituent piece having a different longitudinal-direction length than do the first core constituent pieces, and the second spiral core constituent body layer being wound in a spiral shape as an integral body. The second spiral core constituent body layer is laminated on the first spiral core constituent body layer in continuation with the first spiral core constituent body layer.