Air supply for an aircraft

Details Air supply for an aircraft Air supply for an aircraft

B - Operations, Transporting

64

D

B64D 37/32 (2006.01)

Patent

CA 2573594

Nowadays in aircraft on-board inert gas generation systems (OBIGGS) are used to generate inert gases. Cooled bleed air of engines or auxiliary turbines is fed to said OBIGGS systems. According to an embodiment of the present invention, an air supply device for an OBIGGS system in an aircraft is proposed that comprises a bleed position (1,2). By way of the bleed position (1,2), air from an air conditioning unit (4,5) on board the aircraft can be bled and can be fed to the OBIGGS system. There is thus no need for an additional heat exchanger and an additional ram-air channel. Maintenance expenditure and air resistance are thus reduced.

On utilise actuellement des systèmes embarqués de production de gaz inerte à bord des aéronefs (OBIGGS) pour la production de gaz inertes. L'air prélevé refroidi des moteurs ou des turbines auxiliaires est injecté dans ces systèmes OBIGGS. Selon une variante, on décrit un dispositif de fourniture d'air pour système OBIGGS embarqué qui comprend une position de soutirage (1,2) d'air depuis une unité de climatisation (4,5) embarquée et d'injection dans le système OBIGGS, ce qui permet de se passer d'échangeur thermique additionnel et de canal d'air dynamique additionnel, et donc de réduire les dépenses de maintenance et la résistance de l'air.

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