Water leakage of a steam oven provided on an aircraft for heating ingredients is to be prevented. Two solenoid valves 6 and 7 are inserted in series in a water supply circuit of a steam oven. A power switch 12 supplies a 15 V direct current to the solenoid valves 6 and 7. A controller 1 transmits a command to driving circuits 4 and 5 of the solenoid valves according to a signal of a temperature sensor 10 in the oven. An output of a clock generator 14 is counted by a frequency counter and a time in which the valves are opened is counted. When count of a valve opening time becomes longer than a predetermined value, the power switch 12 of the solenoid valves is disconnected to prevent water leakage.


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    Title :

    STEAM OVEN FOR AIRCRAFT


    Additional title:

    DAMPFOFEN FÜR FLUGZEUGE
    FOUR À VAPEUR POUR AVION


    Contributors:

    Publication date :

    2019-01-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / F24C OTHER DOMESTIC STOVES OR RANGES , Andere Hausöfen oder -herde



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