Cooling system for cooling heat loads on board an aircraft...

B - Operations – Transporting – 64 – D

Patent

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Details

B64D 13/00 (2006.01) B64D 13/06 (2006.01)

Patent

CA 2661253

A cooling system (10) for cooling heat loads (28, 34) on board an aircraft comprises a cold producing device (12), a first cold carrier fluid circuit (24), which is thermally coupled to the cold producing device (12) and is connected to a first heat load (28) in order to carry off heat from the first heat load (28), and a second cold carrier fluid circuit (30), which is connected to a second heat load (34) in order to carry off heat from the second heat load. A coupling system of the cooling system (10) is adapted to selectively thermally couple the first cold carrier fluid circuit (24) to the second cold carrier fluid circuit (30) or thermally uncouple it from the second cold carrier fluid circuit (30). In a method for operating such a cooling system (10) for cooling heat loads (28, 34) on board an aircraft, the first cold carrier fluid circuit (24) is selectively thermally coupled to the second cold carrier fluid circuit (30) or thermally uncoupled from the second cold carrier fluid circuit (30) by means of the coupling system.

La présente invention concerne un système de refroidissement (10) pour refroidir des charges calorifiques (28, 34) à bord d'un aéronef qui comprend un dispositif de production de froid (12), un premier circuit de fluide transporteur de froid (24), qui est thermiquement couplé au dispositif de production de froid (12) et est raccordé à une première charge calorifique (28) afin d'éloigner la chaleur à partir de la première charge calorifique (28), et un second circuit de fluide transporteur de froid (30) qui est raccordé à une seconde charge calorifique (34) afin d'éloigner la chaleur à partir de la seconde charge calorifique. Un système de couplage du système de refroidissement (10) est conçu pour coupler thermiquement et de façon sélective le premier circuit de fluide transporteur de froid (24) au second circuit de fluide transporteur de froid (30) ou de le découpler thermiquement du second circuit de fluide transporteur de froid (30). Dans un procédé de fonctionnement d'un tel système de refroidissement (10) pour refroidir des charges calorifiques (28, 34) à bord d'un aéronef, le premier circuit de fluide transporteur de froid (24) est couplé thermiquement et de façon sélective au second circuit de fluide transporteur de froid (30) ou découplé thermiquement du second circuit de fluide transporteur de froid (30) au moyen du système de couplage.

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