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. 21, 2010
Filed:
Mar. 24, 2005
Stephan Bolz, Pfatter, DE;
Martin Götzenberger, Ingolstadt, DE;
Rainer Knorr, Regensburg, DE;
Günter Lugert, München, DE;
Stephan Bolz, Pfatter, DE;
Martin Götzenberger, Ingolstadt, DE;
Rainer Knorr, Regensburg, DE;
Günter Lugert, München, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
A device and method for equalizing the charges of series-connected individual cells of an energy storage device with a DC/DC converter, which draws energy from the energy storage device or from another energy source, charges an intermediate circuit capacitor whose voltage is inverted in a DC/AC converter, converts the alternating voltage via AC bus lines and coupling transformers by way of a rectifier into a pulsating direct current, and charges the cell having the lowest cell voltage with the pulsating direct current.