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. 06, 2022
Filed:
Dec. 27, 2018
Hitachi, Ltd., Tokyo, JP;
Yuji Enomoto, Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A radial gap type rotating electrical machine using amorphous metal that can realize high efficiency and is excellent in productivity is provided. The radial gap type rotating electrical machine according to the present invention includes a rotor including a rotary shaft and a rotor iron core that rotates around the rotary shaft, and a stator including a stator iron core that is disposed to face the rotor iron core. The stator iron core has an annular shape and has a back yoke () having a plurality of recesses provided along inner periphery, and a tooth () having one end fitted to the recess and the other end protruding toward the rotor iron core, the tooth () has a laminate in which amorphous metal foil strips are laminated in an axial direction of the rotary shaft, and an insulating member () that holds the laminate, and a magnetic material () is provided in an end portion on a side facing the rotor of the insulating member ().