TURBO-FAN ENGINE PROPELLER CONTROL SYSTEM Russian patent published in 1994 - IPC

FIELD: aircraft engines. SUBSTANCE: system has an engine control lever position transducer, a program setting device, a first adder, a fuel feed regulator, a setting device, a second adder, a front propeller speed of rotation regulator, a front propeller tachometer, a third adder, a tail propeller tachometer, a low- pressure compressor inlet temperature transducer, a low-pressure compressor inlet pressure pickup. Moreover, the system has a low-pressure compressor tachometer, a high-pressure compressor tachometer, a fuel flowmeter. The speed of rotation regulators of the front and tail propellers are made in the form of twelve multipliers, four differentiators, two integrators and twelve functional converters. EFFECT: improved dynamic control accuracy. 7 dwg