FIELD: motors and pumps.
SUBSTANCE: fuel system is intended for pairs of helicopter turbine jets. It contains two hydromechanical parts (HMP). In order to use the system in two-motor helicopters with a high level of reliability, HMPs have motor power synchroniser, revolution limiter of free turbine and solenoid valve. The shuttle valve spool for switchover of synchronisation mode to the limitation mode is connected with ECM of another motor. The metering element has a fixation valve. The controlling cavity of the valve is connected to the magnet valve, the shuttle valve spool for switchover from the main mode to the standby mode, and the spool connected to the motor control lever.
EFFECT: expansion of the scope of application of the fuel system, improvement of reliability of its operation with decrease of weight and overall dimensions of the system.
2 dwg
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