Auxiliary power unit for an aircraft

US6450447B1 · kind B1 · utility

Assignee

• Daimlerchrysler AG · US

Inventors

• Gerhard Konrad · Ulm, DE
• Arnold Lamm · Langenau, DE

Key dates

• Filing date: Mar 13, 2000
• Grant date: Sep 17, 2002
• Expiry date: Mar 13, 2020

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T90/40
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An auxiliary power unit for an aircraft includes a gas turbine with a combustion chamber a compressor and a turbine. A compressor is coupled with the turbine, for generating compressed air. A fuel cell (BZ) is present for generating electric energy.