Patent · US Active

Electric device having an electric motor and storage battery pack

US8424152B2 · kind B2 · utility

0Cited by

5References

14Claims

0Family size

Assignee

MIELE & CIE. KG · DE

Inventors

Oliver Liebig · Bielefeld, DE
Dirk Wegener · Bielefeld, DE

Key dates

Filing date	Mar 28, 2009
Grant date	Apr 23, 2013
Priority date	—
Expiry date	May 5, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E60/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electrical appliance including a housing containing an electric motor and a storage battery pack for energizing the electric motor at an operating voltage of more than 42 volts. The storage battery pack includes a plurality of storage battery cells electrically connected so as to form at least two cell groups having a cell voltage of less than 42 volts. A connector assembly includes a bridge circuit configured to electrically connect the cell groups with each other so as to provide the operating voltage of more than 42 volts while establishing electrical connection between the storage battery pack and the electric motor.

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