A tank system of a motor vehicle includes a volume-modifying element, which is provided in the interior of the fuel tank at least substantially above the liquid level and which is designed as a deformable bag, which forms a compensation volume connected to the environment, and includes a valve assembly, which closes under the control of a float during the filling of the fuel tank and thus brings about a maximum fill level in the fuel tank. A measure is provided for eliminating an effect of the volume-modifying element on the maximum fill level height. This measure can be that the volume-modifying element is arranged in the fuel tank such that, when the vehicle is standing on a horizontal surface, the top side of the volume-modifying element is not significantly above the fuel fill level at which the valve assembly closes in the vertical axis direction. Other measures include, for example, a controllable valve, which is provided in the connection between the compensation volume of the volume-modifying element and the environment and which is actuated in the closing direction when the fill level rising during the filling process has reached the maximum fill level height.
TANKSYSTEM EINES KRAFTFAHRZEUGS MIT EINEM VOLUMENVERÄNDERUNGSELEMENT
TANK SYSTEM OF A MOTOR VEHICLE COMPRISING A VOLUME-MODIFYING ELEMENT
SYSTÈME DE RÉSERVOIR D'UN VÉHICULE AUTOMOBILE MUNI D'UN ÉLÉMENT DE MODIFICATION DU VOLUME
2024-08-14
Patent
Electronic Resource
German
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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