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:
Jun. 21, 2022
Filed:
Apr. 15, 2020
Fanuc Corporation, Yamanashi, JP;
Yuudai Konaka, Yamanashi, JP;
Kenji Kawai, Yamanashi, JP;
Fanuc Corporation, Yamanashi, JP;
Abstract
A rotor capable of suppressing cogging torque and heat build-up caused when an electric motor is operated. The rotor includes a sleeve fixed to a radially outside of a rotary shaft, a plurality of magnets disposed around a radially outside of the sleeve, and a reinforcing member having a cylindrical shape that surrounds the plurality of magnets while being in contact with an outer surface of each of the plurality of magnets to hold the plurality of magnets with the sleeve, each of the plurality of magnets including a central portion in a circumferential direction, in contact with the sleeve, and an end portion in the circumferential direction, having a thickness less than that of the central portion and forming a gap with the sleeve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile