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:
Jul. 01, 2014
Filed:
Jun. 12, 2007
Jeon Keun OH, Daejeon, KR;
Joong Hui Lee, Daejeon, KR;
Soo Yeup Jang, Daejeon, KR;
Gun Woo Moon, Daejeon, KR;
Chong Eun Kim, Daejeon, KR;
Hong Sun Park, Daejeon, KR;
Jeon Keun Oh, Daejeon, KR;
Joong Hui Lee, Daejeon, KR;
Soo Yeup Jang, Daejeon, KR;
Gun Woo Moon, Daejeon, KR;
Chong Eun Kim, Daejeon, KR;
Hong Sun Park, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
The present invention relates, in general, to a charge equalization apparatus for batteries and, more particularly, to a charge equalization apparatus, in which the primary windings (Mto MN) of a number of transformers (Tto TN) corresponding to the number of battery cells are connected in parallel with each other, a switch (S) for controlling the flow of current of the primary windings (Mto MN) of the parallel-connected transformers is connected in series with the parallel-connected primary windings, respective secondary windings (Mto MN) corresponding to the primary windings are connected in parallel with the battery cells, and the battery cells are connected in series with each other.