Electrical charging apparatus

US8981708B2 · kind B2 · utility

Assignee

• Aloys Wobben · DE

Inventors

• Volker Diedrichs · Wardenburg, DE
• Alfred Beekmann · Wiesmoor, DE

Key dates

• Filing date: Feb 17, 2012
• Grant date: Mar 17, 2015
• Expiry date: Jul 7, 2033

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y04S30/14
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The present invention concerns a charging apparatus for charging electric storage devices of electric vehicles including a feed-in unit for feeding electric energy into an electric ac voltage network including an electric dc voltage intermediate circuit for the intermediate storage of electric energy with an intermediate circuit voltage, and an inverter for converting a direct current of the dc voltage intermediate circuit into an alternating current, for feeding it into the electric ac voltage network and for converting an alternating current from the ac voltage network into a direct current for feeding it into the dc voltage intermediate circuit, and at least one electric storage charge circuit for at least partial charging of one of the electric storage devices from the dc voltage intermediate circuit and for at least partial discharging of one of the electric storage devices into the dc voltage intermediate circuit.