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NEW ARCHITECTURE FOR AIR TEMPERATURE CONTROL IN AN AIRCRAFT

IP.com Disclosure Number: IPCOM000240801D
Publication Date: 2015-Mar-04
Document File: 3 page(s) / 64K

Publishing Venue

The IP.com Prior Art Database

Abstract

The present article deals with a new architecture for air temperature control in an aircraft. The new architecture consists in removing the whole distribution system of hot air used to control the temperature in the aircraft and supplied by the bleed system coming from the engines and replace it by electrical heaters introduced directly in the distribution lines of air coming from the air mixer with controlled temperature.

It allows offering a system which costs less and is lighter and less complex.

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Page 01 of 3

ABSTRACT IN ENGLISH

The present article deals with a new architecture for air temperature control in an aircraft. The new architecture consists in removing the whole distribution system of hot air used to control the temperature in the aircraft and supplied by the bleed system coming from the engines and replace it by electrical heaters introduced directly in the distribution lines of air coming from the air mixer with controlled temperature.

It allows offering a system which costs less and is lighter and less complex.


Page 02 of 3

NEW ARCHITECTURE FOR AIR TEMPERATURE CONTROL IN AN AIRCRAFT

Technical domain:

This presentation deals with the change of the architecture of the air temperature control in sections of the interior of the aircraft.

As shown by the drawing hereunder, some known systems are working as following:

- The air temperature control is done with fresh air coming from an air mixer unit which is mixed with hot air coming from the engines and more particularly from a system called bleed system. The hot air from engines is supplied by a system called trim system.

- This hot air is injected in the mixer ducts outlets supplying the different temperature sections in the aircraft.

Mixer ducts

outlets

Air mixer

unit

Trim

system

Bleed system



Page 03 of 3

Technical problems:

The trim system is a heavy and an expensive system made out of hot resistant material with double wall technology including an over heat detection system.

The trim system is using a lo...