FIELD: engines and pumps.
SUBSTANCE: system is equipped with a check valve installed at the outlet of the high pressure pump in the fuel supply line before the bypass output connecting and the fuel temperature sensor installed in the fuel supply line after the low pressure pump before the bypass inlet connecting, the high-pressure pump bypass control is designed in the form of a check valve, and the digital regulator is further connected by a communication channel with a fuel temperature sensor.
EFFECT: ensuring the operability of the two-stage fuel feed system while maintaining the permissible fuel metering accuracy when any of the low and high pressure pumps or their electric drives fail.
1 dwg
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