EMERGENCY CONTROL DEVICE OF FUEL SUPPLY TO MAIN COMBUSTION CHAMBER OF GAS TURBINE ENGINE Russian patent published in 2011 - IPC F02C9/26 

FIELD: engines and pumps.

SUBSTANCE: invention can be used for control of aircraft gas-turbine engines operation in emergency situations in case of one or several fuel supply units failure. The device is equipped with changeover valve that has two inlets and two outlets, the first valve inlet is connected with regulator output, the first outlet - with pump input, the second valve outlet is connected with fuel distributor. Note that the device is equipped with metering device with the actuator of dosing element movement and control unit that switches on power supply switch that has the possibility to connect to power source, also valve switch and fuel supply manual mode device that are connected to the switch. Note that valve switch is connected to the valve and fuel supply manual mode device is connected to the actuator of dosing element movement, the input of which is connected to fuel pump output and the output is connected to the second input of switching valve.

EFFECT: provision of possibility of fuel supply manual control in gas-turbine engines in case of fuel supply system failure.

2 cl, 1 dwg