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. 03, 2025
Filed:
Jan. 17, 2023
Huachi Kinetic Energy (Beijing) Technology Co., Ltd, Beijing, CN;
Zhiqiang Wang, Beijing, CN;
Sen Su, Beijing, CN;
HUACHI KINETIC ENERGY (BEIJING) TECHNOLOGY CO., LTD, Beijing, CN;
Abstract
An energy storage flywheel includes a housing; a flywheel rotor arranged in the housing and connected, at an upper end, to a self-bearing motor; a bearing rotor fitted over a lower end of the flywheel rotor and provided, at a lower end, with an annular rotor magnetic steel; and a bearing stator a arranged below the bearing rotor and provided with a cavity which opens towards the bearing rotor, in which the lower end of the bearing rotor is fitted, and at a circumferential surface of which is provided with an annular stator magnetic steel. At least part of the annular stator magnetic steel is opposite to and below the annular rotor magnetic steel in an up-and-down direction and is opposite to the annular rotor magnetic steel in a radial direction of the bearing rotor; and the annular stator magnetic steel and the annular rotor magnetic steel repel each other.