It is proposed a method for controlling a pressure inside a fuel tank system comprising a fuel tank (150) and a controllable pressure relief valve. The method consists in: - assessing whether a predetermined vapor expulsion risk is present, the predetermined vapor expulsion risk pertaining to a vapor expulsion from a main volume of the tank (150) into a space accessible to an operator; - if said risk is present, operating the pressure relief valve in accordance with a first pressure threshold, - if the risk is not present, operating the pressure relief valve in accordance with a second pressure threshold which is higher than the first pressure threshold.
Method for controlling a pressure inside vehicular fuel tank system
Verfahren zur Steuerung eines Druckes innerhalb eines Kraftstofftanks eines Fahrzeuges
Procédé pour commander une pression à l'intérieur d'un système de réservoir à carburant de véhicule
07.03.2018
Patent
Elektronische Ressource
Englisch
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 / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF |
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