SYSTEM OF FUEL FEED TO COMBUSTION CHAMBER OF AIRCRAFT GAS TURBINE ENGINE Russian patent published in 2017 - IPC F02C7/236 

FIELD: engines and pumps.

SUBSTANCE: system is equipped with a shut-off valve, a fuel metering unit including a metering element and an actuator for controlling the position of the metering element, and with a control unit to the input of which an engine rotor speed sensor can be connected. The shut-off valve is connected to the control unit and mounted in a fuel channel connecting the output of the plunger pump and metering unit inlet, the outlet of the metering unit is connected to the main fuel channel through a backup fuel channel. The actuator for controlling the position of the metering element is connected with the control unit, wherein the system is further equipped with a position sensor of the dosing metering element associated with the control unit.

EFFECT: increase of the reliability of the system and simplified design.

5 cl, 1 dwg