Patent · US Active

Device and method for balancing charge between the individual cells of a double-layer capacitor

US7825638B2 · kind B2 · utility

8Cited by

2References

20Claims

0Family size

Assignee

VDO Automotive AG · DE

Inventors

Stephan Bolz · Pfatter, DE
Martin Götzenberger · Ingolstadt, DE
Rainer Knorr · Regensburg, DE

Key dates

Filing date	Sep 1, 2006
Grant date	Nov 2, 2010
Priority date	—
Expiry date	Oct 27, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/70
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A device and a method for balancing charge between individual cells of a double-layer capacitor, in particular in a multi-voltage motor vehicle electrical system. Each individual cell of the double-layer capacitor is associated with a capacitor, the first terminal of which can be connected via a first switch to a first terminal of the associated cell and via a second switch to a second terminal of the associated cell, and the second terminal of which is connected to the second terminals of all of the capacitors.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.