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:
May. 13, 2014
Filed:
Apr. 17, 2009
Jae Hwan Lim, Daejeon, KR;
Sang Hyun Park, Daejeon, KR;
Joong Hui Lee, Daejeon, KR;
Gun-woo Moon, Daejeon, KR;
Hong-sun Park, Daejeon, KR;
Chol-ho Kim, Daejeon, KR;
Jae Hwan Lim, Daejeon, KR;
Sang Hyun Park, Daejeon, KR;
Joong Hui Lee, Daejeon, KR;
Gun-Woo Moon, Daejeon, KR;
Hong-Sun Park, Daejeon, KR;
Chol-Ho Kim, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
An automatic charge equalization apparatus using a regulated voltage source according to the present invention comprises a battery module having a plurality of batteries connected in series; a battery string having M (natural number of M≧2) battery modules connected in series: a regulated voltage source which is provided for each battery module and outputs and maintains an average voltage of the battery string; a bidirectional switch block which is provided for each battery module between the battery module and the regulated voltage source to connect each battery to an output of the regulated voltage source by forming a parallel current moving path to each battery composing the battery module; and a microprocessor controlling the bidirectional switch block, wherein each battery composing the battery module shares the regulated voltage source by the bidirectional switch block and the microprocessor controls the bidirectional switch block to successively connect the batteries composing the battery module with the regulated voltage source.