FIELD: machine building.
SUBSTANCE: installation for supply of withdrawn air from engine of aircraft contains wiring system for protection from overheat. The installation consists of a source of withdrawn air, of main for supply of withdrawn air, of a cut off valve installed in the main for withdrawn air supply and of device for leakage control. The device control is connected to the cut off valve through the disabling circuit so, that the cut off valve closes at braking the disabling circuit. The system is equipped with a heat switch serially connected with the cut off valve and with the control device to the disabling circuit. The heat switch breaks the disabling circuit when specified maximal temperature (Tg) is exceeded.
EFFECT: raised safety of system.
14 cl, 2 dwg
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