Method and system for feeding a cool air inlet of the cabin of an aircraft propelled by at least one jet engine
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United States of America Patent
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Nov 26, 2002
Grant Date -
N/A
app pub date -
Nov 6, 2000
filing date -
Nov 10, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In accordance with this method, air bled from the engine is compressed in a turbocompressor (4) and the air compressed in this way is cooled in an exchanger (3) through which is passed air outside the aircraft, a turbine (5) of the turbocompressor (4) is fed with the air cooled in this way, and the cool air inlet (10) of the cabin is fed with the air leaving the turbine (5). In accordance with the invention, mechanical energy is extracted from the air leaving the cabin (11) of the aircraft and that mechanical energy is injected into the turbocompressor (4). Cooling energy is also extracted from the air leaving the cabin (11) and that cooling energy is injected into the air which is fed to the turbine (5).
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