Patent ID: 6840263

Claim:
A mutifunctional valve for the fuel tank of a motor vehicle, comprising a housing which is attached to a roof of a fuel tank, dipping at least partially therein and has a vertical axis, of a float which is guided in a direction of the axis, and of a closing element which is attached to said float, wherein a) the closing element ( 22 ) can be moved to a limited degree with respect to the float ( 16 ) in the axial direction ( 49 ), is acted on by a first spring ( 27 ) and has a small pressure equalization hole ( 25 ), b) an intermediate element ( 30 ) is provided on the float ( 16 ) and above the closing element ( 22 ) and can move to a limited degree with respect to the float ( 16 ) in the axial direction and is acted on by a second spring ( 35 ), c) the intermediate element ( 30 ) has a plate ( 32 ) with an outermost edge, which plate has a first through-flow opening ( 36 ) whose edge ( 37 ) forms a first seat for the closing element ( 22 ) located below it, and d) a seat plate ( 38 ) is arranged above the intermediate element ( 30 ) and pressed downward against a second seat ( 43 ) by a third spring ( 39 ), and has a second, larger through-flow opening ( 40 ) whose edge ( 41 ) forms a second seat for the intermediate element ( 30 ).