Device for supplying electricity to a motor vehicle

US6713894B1 · kind B1 · utility

Assignee

• Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

• Stefan Reimer · Markgröningen, DE
• Falk Gerbig · Freising, DE
• Peter Bachmann · Ottobrunn, DE
• Matthias Weisser · Taufkirchen, DE
• Juergen Werner · Bruckmühl, DE
• Stefan Zeit · Munich, DE

Key dates

• Filing date: Sep 7, 2000
• Grant date: Mar 30, 2004
• Expiry date: Sep 7, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T10/72
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A system for supplying electricity to a motor vehicle using a capacitor having a maximum value greater than the maximum value of a rechargeable battery. A transformer provides discharging of the capacitor from its maximum voltage down to the maximum voltage of the battery in order to provide excess energy in a short period of time to effectively charge the battery and simultaneously increase the service life of the chargeable battery.