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FUEL LEVEL INDICATION REALTIME ILLUMINATION DURING REFUELING EVENTS

IP.com Disclosure Number: IPCOM000247035D
Publication Date: 2016-Jul-28
Document File: 1 page(s) / 198K

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FUEL LEVEL INDICATION REALTIME ILLUMINATION DURING REFUELING EVENTS

Some customers desire to add fuel to a vehicle up to a certain amount that is less than a full tank. This is especially true for HEV customers and car rental customers. Car rental customers may receive a car that has 75% fuel. When the customer returns the vehicle, they desire to only fuel the tank to exactly 75% level. Fueling greater than 75% amount and the customer loses money while fueling less than 75% and the car rental agency penalizes the customer with a refueling fee that can be high. Since the fuel gage is inside the vehicle, it is difficult to refuel and watch the fuel gage on the dash at the same time. Customers may have to interrupt fueling to view the fuel level on the dash. It becomes difficult to regulate an exact fuel tank capacity amount. Similarly, HEV drivers like to carry around only 25% fuel level to alleviate range anxiety. Filling a HEV fuel tank full to maximum limits increases vehicle weight which degrades efficiency and electric range. Finally, test engineers have to follow procedures that include testing vehicles at specific fuel levels. While the gas station dispensing pumps display the amount of gallons dispensed, customers may have difficulty correlating the gallons of fuel dispensed to % of fuel tank capacity. Fuel tanks can come in all sorts of shapes and sizes. Hence a 5 gallon fuel fill could be 50% of tank capacity in some fuel tanks or 15% capacity in other f...