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:
Sep. 15, 2020
Filed:
Dec. 21, 2018
Industrial Technology Research Institute, Hsinchu, TW;
Huan-Lung Gu, Hualien, TW;
Ming-Tsan Peng, Taoyuan, TW;
Chia-Lin Wu, Kaohsiung, TW;
Yee-Pien Yang, Kaohsiung, TW;
INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE, Hsinchu, TW;
Abstract
The disclosure relates to a flywheel energy storage system including a casing, shaft, flywheel, and electric motor assembly. The casing has an inner vacuum chamber, at least one outer accommodating slot and at least one separator which separates the inner vacuum chamber from the at least one outer accommodating slot. The shaft is rotatably disposed in the inner vacuum chamber. The flywheel is located in the inner vacuum chamber and fixed to the shaft. The electric motor assembly includes a first motor rotor and a motor stator. The motor stator is accommodated in the at least one outer accommodating slot and fixed to the at least one separator. The first motor rotor is fixed on the shaft and located between the shaft and the motor stator. Part of the at least one separator located between the first motor rotor and the motor stator includes magnetically permeable material.