Patent ID: 7028671
Filing Date: 2006-04-18
Classification: B60K,F02M,Y10T

Abstract:
1. A fuel return system for returning fuel to at least first and second fuel tanks connected by a fuel draw line to a fuel pump, the return fuel system comprising; a fuel return line having an inlet end connected to the fuel pump and an outlet end; an open split connection connected to the outlet end of the fuel return line; first and second return line branches connected at upstream ends thereof to the open split connection and at downstream ends thereof to the first and second fuel tanks, respectively; high return fuel flow and low return fuel flow orifices disposed upstream of the downstream end of each return line branch, and a pressure responsive valve normally closing the high return fuel flow orifices while the low return fuel flow orifices are open, until return fuel pressure in the fuel return line exceeds a valve cracking pressure level.