It is proposed a method for detecting a leak in a fuel system of a combustion engine comprising a fuel tank. The method is such that it comprises the steps of: obtaining a first set of data comprising at least a pressure data measured in the fuel system at a first time; adding energy to fluids contained in the fuel system, said energy being produced or wasted by means already present on board the vehicle for other purposes; obtaining a second set of data comprising at least a pressure data measured in the fuel system at a second time; determining the presence/absence of a leak in said fuel system by calculating a predetermined function on the basis of said first and second sets of data.
METHOD AND SYSTEM FOR DETECTING A LEAK IN A FUEL SYSTEM
VERFAHREN UND SYSTEM ZUR ERKENNUNG EINES LECKS IN EINEM KRAFTSTOFFSYSTEM
PROCÉDÉ ET SYSTÈME PERMETTANT DE DÉTECTER UNE FUITE DANS UN SYSTÈME DE CARBURANT
2018-11-14
Patent
Electronic Resource
English
IPC: | F01P Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein , COOLING OF MACHINES OR ENGINES IN GENERAL / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen |
FUEL REACTANT LEAK DETECTION SYSTEM AND METHOD OF DETECTING FUEL REACTANT LEAKS
European Patent Office | 2023
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