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. 01, 2020
Filed:
Nov. 18, 2015
Mitsubishi Electric Corporation, Tokyo, JP;
Tomoaki Oikawa, Tokyo, JP;
Mineo Yamamoto, Tokyo, JP;
Hiroyuki Ishii, Tokyo, JP;
Hiroki Aso, Tokyo, JP;
Junichiro Oya, Tokyo, JP;
Yuto Urabe, Tokyo, JP;
Takaya Shimokawa, Tokyo, JP;
Koji Yabe, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An electric motor includes a stator and a consequent-pole-type rotor including an annular rotor core disposed on an inner side of the stator and a plurality of permanent magnets disposed inside the rotor core and arrayed in a circumferential direction of the rotor core. The rotor core includes at least one slit provided inside the rotor core and disposed on an outer side of each of the permanent magnets in a radial direction of the rotor core, and at least one slit provided on an outer circumferential surface of the rotor core and disposed between the permanent magnets adjacent to each other.