FIELD: aircraft industry.
SUBSTANCE: invention can be used in automatic control systems of gas-turbine engines. According to invention spool is installed additionally in main line connecting air bypass valve control spool after compressor with its drive hydraulic cylinder. Said spool is hydraulically connected with power pressure main line. Free control space of said spool is connected with constant-pressure main line, and spring space is connected through jet with constant-pressure main line and through normally-closed electromagnetic valve, with drain line.
EFFECT: provision of control of position of position of air bypass valve after the compressor by electric signal from antisurge system which improves reliability of operation of gas-turbine engine.
1 dwg
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