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:
Nov. 17, 2020
Filed:
Oct. 27, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Yoshiro Imazawa, Tokyo, JP;
Yuki Uesato, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
First side surfacesof first magnetic pole portionsand second side surfacesof second magnetic pole portionsthat face each other in a circumferential direction are configured into parallel flat surfaces, first circumferentially tapered portionsare formed on circumferential shoulder portions of the first magnetic pole portions, second circumferentially tapered portionsare formed on circumferential shoulder portions of the second magnetic pole portions, and portions of the first and second circumferentially tapered portionsandenter a regionin which the first side surfacesand the second side surfacesthat face each other in the circumferential direction overlap when viewed from a direction that is perpendicular to the first side surfacesand the second side surfaces