Patent ID: 6739361
Filing Date: 2004-05-25
Classification: F02M,Y10T

Abstract:
A method for operating a tank system including a tank system of a motor vehicle, the tank system including a tank for receiving a fluid medium forming a volatile substance; an adsorption filter having a fresh air inlet and being connected to said tank for receiving the volatile substance which emanates from said tank; a shutoff valve operatively connected to said adsorption filter and being electrically drivable between an open position and a closed position whereat said tank system is closed off pressure tight with respect to the ambient; a tank fill-level sensor for detecting the fill level of said fluid medium in said tank and for transmitting a signal indicative of said fill level of said fluid medium; and, a fill pipe connected to said tank for filling said tank with said fluid medium; the method comprising the steps of:mounting said shutoff valve at said fresh air inlet of said adsorption filter; detecting said fill level when tanking said tank; and, driving said shutoff valve into said closed position when said fill level has reached a maximum fill level.