Circuit arrangement and electrical appliance with an inductive load and a buck converter

US6559625B2 · kind B2 · utility

Assignee

• The Braun Corporation · DE

Inventors

• Dirk Freund · Kelkheim, DE
• Martin Giersiepen · Oberursel, DE
• Brigitte Harttmann · Niedernhausen, DE
• Ulrich Heck · Krefeld, DE
• Stefan Hollinger · Kronberg, DE
• Frank Kressmann · Eschborn, DE
• Gerrit Rönneberg · Darmstadt, DE
• Fred Schnak · Kronberg, DE
• Dieter Wunder · Reichelsheim, DE

Key dates

• Filing date: Aug 13, 2001
• Grant date: May 6, 2003
• Expiry date: Aug 13, 2021

Classification

• Technology area (CPC H): Electricity
• CPC primary: H02M3/155
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

The invention is directed to a circuit arrangement with an inductive load and a buck converter, wherein the inductive load serves as coil, as well as to an electrical appliance with such a circuit arrangement.