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. 15, 2006
Filed:
Sep. 11, 2003
Tsutomu Saigo, Shizuoka, JP;
Ken Ito, Shizuoka, JP;
Tsutomu Saigo, Shizuoka, JP;
Ken Ito, Shizuoka, JP;
Yazaki Corporation, Tokyo, JP;
Abstract
A method and an apparatus for regulating state of charge in a battery assembly in which respective voltages across unit cells can be equalized in a short time. Among a plurality of unit cells Bto B. . . Bn, the unit cell having the largest voltage across the cell is referred to as the largest unit cell, and the unit cell having the smallest voltage across the cell is referred to as the smallest unit cell. Electric charge is transferred from the largest unit cell to a capacitor Cso that the voltage across the capacitor Cmay be made higher than the voltage across the largest unit cell. Thereafter, the electric charge is transferred from the capacitor Cto the smallest unit cell thereby to equalize the voltages across the unit cells.