Internal-combustion engines – Miscellaneous – Fuels – lubricants and additives
Reexamination Certificate
2007-09-18
2007-09-18
Huynh, Hai (Department: 3747)
Internal-combustion engines
Miscellaneous
Fuels, lubricants and additives
C123S514000, C123S19800E
Reexamination Certificate
active
11075344
ABSTRACT:
A system for storage and delivery of a fuel additive to a fuel tank includes a reservoir in fluidic communication with a volumetric pump, through a tubular member such as a steel-braided hose. The pump is in further fluidic communication with the fuel return line of a vehicle, via another tubular member, such as a steel-braided hose. Valves disposed along the fluidic pathway prevent backflow of additive. The pump is electrically connected to and actuated by a timer, the timer calibrated to a rate of the pump to provide a predetermined amount of fuel additive necessary to treat an amount of fuel added to the fuel tank of the vehicle. A user interface with user-selectable, volumetric settings and control switches is electrically connected to the timer. A related method of adding a fuel additive to the fuel tank of a vehicle is also disclosed.
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Huynh Hai
Lathrop & Gage LC
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