FIELD: gas-turbine engine protective devices. SUBSTANCE: device has alarm 1 showing shift of turbine disc 2, signal shaping unit 3 for furnishing signal to actuating mechanism 4 and control panel 5. Alarm 1 mounted after turbine includes high-temperature armored cable 6. Turbine disc 2 is provided with cutters 7 for cutting cable 6 at axial displacement of turbine disc 2 towards exhaust nozzle 9 in case of break of engine turbine shaft 8. EFFECT: enhanced efficiency. 1 dwg
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