Pipeline for conducting air for air conditioning in aircrafts

Details Pipeline for conducting air for air conditioning in aircrafts Pipeline for conducting air for air conditioning in aircrafts

B - Operations, Transporting

64

D

B64D 13/00 (2006.01) F16L 9/12 (2006.01) F16L 9/17 (2006.01) F24F 13/02 (2006.01)

Patent

CA 2607076

The invention relates to a pipeline (1) for conducting air, in particular in a temperature range between -55 ~C and +85 ~C and at a differential pressure load of at most +/-500 hPA relative to cabin pressure, for air conditioning in aircrafts. According to the invention, the pipeline (1) is formed with a foamed plastics material and/or with a dense plastics material, one outer face (9) of the pipeline and/or one inner face (17) of the pipeline comprising a wrapping (6) with at least one linear reinforcing element. Owing to the winding (6) provided for reinforcement, at least in certain sections, on the outer face (9) of the pipeline and/or the inner face (17) of the pipeline, the pipeline (1) can be optimally adapted to different load requirements along the section for laying, resulting in a potentially considerable reduction in weight. Without the thermal insulation requirement, the pipelined) can also be formed with a dense plastics material, for example with a thin plastic film. The pipeline (1) according to the invention can also be seamlessly formed by extrusion methods.

L'invention concerne une conduite (1) destinée à acheminer de l'air, notamment dans une plage de température comprise entre 55 °C et +85 °C et à une charge de pression différentielle inférieure ou égale à ? 500 hPa par rapport à la pression cabine, en vue d'une climatisation dans des avions. Selon l'invention, cette conduite (1) comprend une matière plastique expansée et/ou une matière plastique dense, une face extérieure (9) de la conduite et/ou une face intérieure (17) de la conduite comportant une bande (6) possédant au moins un élément de renfort linéaire. Dans certaines sections au moins, sur la face extérieure (9) de la conduite et/ou la face intérieure (17) de la conduite, cette bande (6) de renfort permet une adaptation optimale de la conduite (1) à différentes exigences de charge le long de la section à poser, d'où une réduction de poids potentiellement considérable. En l'absence d'exigence d'isolation thermique, la conduite (1) peut également comprendre une matière plastique dense, et notamment un film plastique mince, par exemple. La conduite (1) de l'invention peut en outre être formée sans soudure au moyen de procédés d'extrusion.

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