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REFUELING METHOD WITH VEHICLE SELF LEVELING SUSPENSION COMPENSATION

IP.com Disclosure Number: IPCOM000244488D
Publication Date: 2015-Dec-16
Document File: 1 page(s) / 234K

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The IP.com Prior Art Database

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REFUELING METHOD WITH VEHICLE SELF LEVELING SUSPENSION COMPENSATION

Certain gas stations are not built on flat surface, such as in San Francisco and other hilly terrains. A slight incline in the parking surface causes pre-mature shutoffs during refueling. Even if the surface itself is flat, potholes or other irregularities may cause the vehicle to not be perfectly level. Another condition where vehicle is not perfectly level occurs when vehicle is being refueled from a trailer mounted mobile refueling truck. This is common in remote industrial applications (mining, logging, oil exploration) where a gasoline storage truck refuels the vehicle in the field. The vehicle that is being refueled may not be parked on a flat surface. Under normal refueling on flat surfaces, the Fuel Level Vent Valve ("FLVV") shuts off when fuel level reaches 100%. When this occurs, back pressure builds up inside the fuel tank which shuts off the dispense pump. With an inclined surface, the fuel level does not rise evenly inside the fuel tank. Depending on the incline orientation and the position of the FLVV in the fuel tank, this tends to displace the FLVV prematurely before 100% fuel level is reached. When this occurs, the customer thinks that the fuel tank is full when in reality the fuel inside the tank is < 100% advertised capacity. Another side effect is overfilling the fuel tank, which can result in fuel spit back.

Method

This method utilizes the existing inertial sensors that are...