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. 26, 2019
Filed:
Feb. 20, 2014
Mitsubishi Electric Corporation, Tokyo, JP;
Yuki Tamura, Tokyo, JP;
Koji Masumoto, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A rotor includes a rotor core which is formed by stacking steel plates and includes a first through hole in a center part, at least one second through hole in the vicinity of the first through hole and a rivet insertion hole. The rotor also includes permanent magnets which are disposed in a circumferential direction of the rotor core and are embedded in a stacking direction of the steel plates; a main shaft which is shrink-fitted or press-fitted in the first through hole of the rotor core; a pin made of an insulating material and inserted in the second through hole of the rotor core; and an upper end plate and a lower end plate which are disposed on both ends of the rotor core in the stacking direction and are fixed by a rivet inserted in the rivet insertion hole.