Patent ID: 7028672
Filing Date: 2006-04-18
Classification: F02D,F02M,Y02T

Abstract:
1. A fuel supply system for an internal combustion engine having two separate storage containers ( 1 , 13 ) for liquid fuel, a first controllable valve ( 5 ) having two inlets, connected via fuel lines each to one of the storage containers ( 11 , 13 ) and an outlet, which is connected by a fuel pump ( 2 ) to the inlet of a second controllable valve ( 6 ), the second controllable valve ( 6 ) having two outlets extending to a fuel injection nozzle of the internal combustion engine via two separate fuel lines ( 9 , 15 ), each of two separate fuel lines containing a fuel pressure regulator ( 11 , 17 ) between the second valve ( 6 ) and the fuel injection nozzle ( 12 ) and each fuel regulator being in communication with one of the fuel storage containers by a return line ( 14 , 18 ) extending to the respective storage containers ( 1 , 13 ) from the respective fuel pressure regulator ( 11 , 17 ).