JET ENGINE AUTOMATIC CONTROL SYSTEM Russian patent published in 2003 - IPC

FIELD: automatic control of jet engines, in particular, fuel supply to the engine combustion chamber in all flight conditions. SUBSTANCE: the system has proportioners linked through respective levers with the respective feedback springs and flexible members characterizing the air flow through the engine. The flexible member is made in the form of a vacuum-treated bellows located in an air cavity, where pressure is fed after a normal shock of the air collector diffuser, and the flexible member is made in the form of a spring linking the proportioned with the proportioner lever through a carriage. The fuel consumption adjuster is linked with the proportioner and made in the form of a static servo motor, whose control cavity is coupled to a low-current electrohydroconverter, which is connected the flight vehicle computer. EFFECT: enhanced quality of control and enhanced reliability of system operation. 3 cl, 3 dwg