Aircraft air conditioning system with an electrically driven ambient air compressor and method for operating such an aircraft air conditioning system

US10202197B2 · kind B2 · utility

Assignee

• AIRBUS OPERATIONS LIMITED · DE

Inventors

• Holger Bammann · Hamburg, DE
• Frank Klimpel · Hamburg, DE
• Tim Giese · Hamburg, DE

Key dates

• Filing date: Mar 21, 2017
• Grant date: Feb 12, 2019
• Expiry date: Mar 24, 2037

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02T50/50
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An aircraft air conditioning system comprising an ambient air supply line with a first end connected to an ambient air inlet and a second end connected to a mixing chamber. A first electrically driven ambient air compressor in the ambient air supply line compresses the ambient air flowing therethrough. A first ambient air branch line branches off from the ambient air supply line upstream of the first ambient air compressor and rejoins the supply line downstream of the air compressor. A second ambient air compressor in the first ambient air branch line compresses the ambient air flowing therethrough. A cabin exhaust air line has a first end connected to an air conditioned aircraft area. A cabin exhaust air turbine in the exhaust air line is driven by the exhaust air flowing through the cabin exhaust air line and is coupled to drive the second ambient air compressor.