TWO-CHANNEL SYSTEM OF FUEL SUPPLY AND CONTROL OF GAS-TURBINE ENGINE Russian patent published in 2009 - IPC F02C9/26 

FIELD: motors and pumps.

SUBSTANCE: two-channel system of fuel supply and control is intended for control of gas-turbine engines. System comprises pump, fuel distributor with differential valve, main and reserve control channels with switching selector. Electric hydraulic transducer of main control channel by commands of engine control electronic unit controls fuel consumption at static and alternating modes. Reserve control channel comprises modes master, pneumatic hydraulic transducer, interthrottle chamber, control slide valve and valve of maximum pressure limitation in interthrottle chamber. When reserve channel is in operation, fuel consumption depends on position of modes master and value of air command supplied to pneumatic hydraulic transducer. Valve of maximum pressure limitation in interthrottle chamber limits value of maximum fuel consumption by engine.

EFFECT: provision of different ranges of fuel consumption change for every channel of engine control and to improvement of its operational and power characteristics.

1 dwg