Patent ID: 7849679
Filing Date: 2010-12-14
Classification: F01N,F02M,Y02T

Abstract:
1. A fuel delivery system for a combustion engine, comprising: an exhaust treatment device; a fuel injection unit configured to direct fuel into the combustion engine; a fuel supply; and a fuel pump including: at least one inlet configured to receive fuel from the fuel supply; a first fixed-output pumping element configured to generate a first fuel flow at a first pressure and a first flow rate; a second fixed-output pumping element configured to generate a second fuel flow at a second pressure and a second flow rate, at least one of the second pressure and the second flow rate being different from the first pressure and the first flow rate; a first outlet configured to direct the first fuel flow to the fuel injection unit; and a second outlet configured to direct the second fuel flow to the exhaust treatment device.