Patent · US Active

Battery system for motor vehicle with loss-free switching and automatic charge equalization

US10135266B2 · kind B2 · utility

3Cited by

2References

25Claims

0Family size

Assignee

Dr. Ing. h.c. F. Porsche AG · DE

Inventors

Stefan Götz · Forstern, DE
Ulf Schlieben · Ditzingen, DE
Sven Lill · Kaufbeuren, DE
Ralf Bauer · Neckarsulm, DE
Harald Schöffler · Wieslensdorf, DE

Key dates

Filing date	Oct 10, 2016
Grant date	Nov 20, 2018
Priority date	—
Expiry date	Mar 5, 2037

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T10/92
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A battery system having a battery having at least one first battery element, at least one second battery element and a center tap between the at least one first and the at least one second battery element, a power changeover switch having a plurality of switching elements for changing over between the at least one first battery element and the at least one second battery element, and at least one pair of output terminals that is electrically connected to the battery, wherein the center tap has a first capacitive store arranged on it that has a store voltage that appears over an appropriate period in accordance with a first and/or second battery element voltage provided by the first and/or second battery element, wherein during the period in which the store voltage appears, a store current decreases from a maximum value to a value of zero.

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