FIELD: aviation technology.
SUBSTANCE: invention can be used in emergency systems of civil aircrafts. The essence of the invention: the power transmission unit of the aircraft hydraulic system contains three adjustable axial piston pump-motors controlled by proportional regulators designed to regulate their characteristic working volume by moving the rods of control hydraulic cylinders with spring return and through the action of proportional hydraulic valves with electromagnetic control, while axial piston pump-motors are connected by a mechanical shaft and connected to three subsystems of the aircraft hydraulic system, which, depending on the need, allows for multidirectional energy transfer between subsystems.
EFFECT: increasing the performance and reliability of the aircraft hydraulic system due to multidirectional energy transfer between three subsystems of the aircraft hydraulic system using adjustable pump-motors.
1 cl, 2 dwg
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