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:
Aug. 01, 2017
Filed:
Feb. 17, 2015
Silicon Works Co., Ltd., Daejeon-si, KR;
SILICON WORKS CO., LTD., Daejeon-si, KR;
Abstract
Provided are balancing device and method which can achieve a balancing function between energy storage units connected in series using a small number of switch elements, thereby reducing the manufacturing cost and size and enabling various balancing modes. The balancing device for balancing between a plurality of energy storage units a battery module, in which the energy storage units are connected in series, includes: a transformer; and a switch network comparing a cell switch unit, a polarity switch unit, and au auxiliary switch unit, wherein the auxiliary switch unit includes: a first auxiliary switch unit for connecting a second common node to one terminal of the secondary winding of the transformer; and a second auxiliary switch unit for connecting a first common node to the other terminal of the secondary winding of the transformer.