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. 27, 2016
Filed:
Jul. 02, 2014
General Electric Company, Schenectady, NY (US);
Saijun Mao, Shanghai, CN;
Huiqing Wu, Shanghai, CN;
Herman Lucas Norbert Wiegman, Niskayuna, NY (US);
Qunjian Huang, Shanghai, CN;
Ying Mei, Shanghai, CN;
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
Abstract
A battery system has a battery module including a number M of series-connected batteries. The battery system is further provided with a number N (1<N≦M) of charge equalizers, each of which once connected to a battery, causes the battery to be charged and/or discharged to achieve charge equalization. A control device is configured to determine for each battery if it requires charge equalization based on a state of charge (SOC) of the battery, compare a number L of the batteries that require charge equalization and the number M, and based on the comparison result, cause the battery system to be shut down, or the one or more batteries that require charge equalization to be connected to corresponding charge equalizers. A selective switch module is used for connecting the one or more batteries that require charge equalization to corresponding charge equalizers, respectively.