The invention relates to a heat exchanger 14 for cooling air, with a coolant onward-flow connection 8 for feeding liquid coolant for cooling air and a coolant return-flow connection 10 for discharging liquid coolant. For removing ice by melting accumulated ice in the heat exchanger 14 a heater 22 is provided that is associated with an electrical heating element 24 for melting accumulated ice. An operational safety device 46 prevents overheating of the heater 22. According to the invention it is provided that the operational safety device 46 comprises a fault-current detection device 48 for the detection of electrical fault currents. Furthermore, the invention relates to a heater 22, with a heating element 24 for heating air for subjecting accumulated ice to heated air, and with such an operational safety device 46, and to a galley 2 for a commercial aircraft, with a receiving space 4 for trolleys, and a cooling device 6 for cooling the receiving space 4, wherein the cooling device 6 comprises such a heat exchanger 14 for cooling air. By means of the invention the operational safety of such a heat exchanger 14, of a heater 22 for such a heat exchanger 14, and of a galley 2 with such a heat exchanger 14 is improved.


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    Title :

    Heat exchanger and galley


    Additional title:

    Wärmetauscher und Bordküche
    Échangeur de chaleur et bloc cuisine


    Contributors:

    Publication date :

    2017-08-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F25D REFRIGERATORS , Kühlschränke / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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