Patent ID: 6848423

Claim:
A fuel injection system for an internal combustion engine, comprising a fuel reservoir ( 16 ), a high-pressure fuel pump ( 14 ) by which fuel is pumped, as a function of engine operating parameters, into the fuel reservoir ( 16 ), a prefeed pump ( 12 ) by which fuel is pumped out of a fuel tank ( 10 ) to the intake side of the high-pressure fuel pump ( 14 ), a fuel metering device ( 44 ) for adjusting the fuel quantity pumped by the high-pressure fuel pump ( 14 ) into the fuel reservoir ( 16 ), and at least one injector ( 20 ), communicating with the fuel reservoir ( 16 ), for injecting fuel to the engine, the metering device ( 44 ) being disposed between the fuel tank ( 10 ) and the intake side of the prefeed pump ( 12 ).