FIELD: engines and pumps.
SUBSTANCE: invention relates to aircraft engine production and can be used in gas turbine engine automatic control systems (ACS). The invention consists in that the device additionally incorporates the engine rotor rpm tachometer limiter drain valve connected, via a throttle assembly, with the fuel pump outlet and, via the check valve, with the hydraulic control valve inlet.
EFFECT: higher-efficiency operation of the drain valve, higher reliability of engine operation and higher safety of aircraft flight.
1 dwg
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