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:
May. 13, 2025
Filed:
May. 10, 2021
Hitachi Astemo, Ltd., Hitachinaka, JP;
Masahiro Hori, Tokyo, JP;
Takeshi Tokuyama, Tokyo, JP;
Noriaki Hino, Tokyo, JP;
Masanori Sawahata, Tokyo, JP;
Hitachi Astemo, Ltd., Hitachinaka, JP;
Abstract
An object of the present invention is to provide a structure capable of stably holding a bonded magnet into a magnet insertion part of a rotor core. A rotor of a rotating electrical machine includes a bonded magnet, an elastic memberhaving a bent part, and a rotor core provided with a magnet storage part storing the bonded magnetand the elastic member. The elastic memberis embedded in the bonded magnetin a state where at least a part of the bent partis exposed from the bonded magnet, and an exposed partof the bent partfrom the bonded magnetcomes into contact with an inner wall of the magnet storage partand elastically deforms.