Patent ID: 9435286
Filing Date: 2016-09-06
CPC Classification: F02D,F02M,Y10T

Claim Text:
1. A system for delivering fuel to an engine comprising: a fuel reservoir pump configured to pump fuel from a fuel tank to a fuel pump reservoir; a low pressure fuel pump configured to pump fuel out from within the fuel pump reservoir and to the fuel reservoir pump; a high pressure fuel pump configured to pump fuel to the engine, the low pressure fuel pump is configured to pump fuel to the high pressure fuel pump; and a controller operable to configure the low pressure fuel pump in a high mode at a first pump rate when the high pressure fuel pump is in a first configuration, and operable to configure the low pressure fuel pump in a low mode at a second pump rate when the high pressure fuel pump is in a second configuration different from the first configuration, the first pump rate is different from the second pump rate; wherein the controller is configured to operate the low pressure fuel pump in the low mode when the high pressure fuel pump is performing a pumping stroke.