FIELD: aircraft engine manufacture.
SUBSTANCE: invention can be used in automatic control systems of gas-turbine engines. According to invention, normally-closed electromagnetic valve is installed additionally in main line connecting controlled space of metering needle with valve of electrohydraulic converter. Said electromagnetic valve is connected with output of control module of electronic controller, and electrohydraulic converter is provided with two windings, one of its windings creates force to close the valve, and the other, to open the valve.
EFFECT: improved reliability of operation of electrohydraulic converter, reliability of gas-turbine engine in operation and provision of safety in flight.
1 dwg
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