Creation and depletion of short term power capability in a hybrid electric vehicle

US8224514B2 · kind B2 · utility

Assignees

• GM GLOBAL TECHNOLOGY OPERATIONS LLC · US
• Daimler AG · DE
• Chrysler Group LLC · US
• Bayerische Motoren Werke Aktiengesellschaft · DE

Inventors

• Marc B. Center · Royal Oak, US
• William R. Cawthorne · Milford, US

Key dates

• Filing date: Sep 18, 2008
• Grant date: Jul 17, 2012
• Expiry date: May 18, 2031

Classification

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

Abstract

Short term power limits of an electrical energy storage device are progressively tightened toward long term power limits in accordance with net energy flow or magnitude or duration metrics.