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US 6,681,811 B2Granted
Fuel and reductant delivery system
AssigneeFord Global Technologies, LLC
InventorDerek Albert Channing
Life of this patent
Estimating the term…
Abstract
A system and a method for providing fuel and reductant to a vehicle from a fuel dispensing station are disclosed which allow for providing both fluids to a vehicle equipped with a fuel and reductant tank and allows for providing only fuel to a vehicle without a reductant tank.
Claims4
A urea tank system onboard a motor vehicle, comprising:
- a pressurized supply source for supplying urea through a nozzle, wherein said nozzle has both a passageway for urea and a passageway for fuel;
- a fuel tank having an inlet which is capable of being coupled to said fuel passageway;
- a urea tank having an inlet which is capable of being coupled to said the supply urea passageway wherein said urea tank is capable of withstanding a pressure greater than a supply pressure of said pressurized supply source;
- and
- a vent valve coupled to said urea tank wherein said vent valve closes when said urea tank is full.
2 more elements
A urea tank system onboard a motor vehicle, the urea reservoir system being capable of receiving urea from a pressurized supply source comprising:
- a urea tank having an inlet which is capable of being coupled to the pressurized supply source wherein said urea tank is capable of withstanding a pressure greater than a supply pressure of the pressurized supply source;
- and
- a vent valve coupled to said urea tank wherein said vent valve closes when said urea tank is full system wherein said vehicle has a fuel tank and said urea tank has a volume greater than a volume of said fuel tank times a predetermined ratio.
Dependencies are inferred from the claim text.