Method and apparatus to regulate the supply of power to an electric drive using a hybrid energy supply system in a vehicle

US6953100B2 · kind B2 · utility

Assignee

• BALLARD POWER SYSTEMS INC. · US

Inventors

• Markus Aberle · Seligenstadt, DE
• Joachim Blum · Remscheid, DE
• Mathias Boehmisch · Singen, DE
• Thomas Schetter · Toledo, US

Key dates

• Filing date: May 23, 2003
• Grant date: Oct 11, 2005
• Expiry date: Dec 24, 2023

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S429/90
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

Regulation of energy supplied to an electric motor from an energy supply system including a fuel cell and an energy storage buffer such as a battery, improves the dynamic response of the motor by adding current from the energy storage buffer to the current from the fuel cell during acceleration.