An evaporated fuel treatment device includes a fuel tank that stores fuel for an internal combustion engine, a canister that adsorbs evaporated fuel generated in the fuel tank, a pump that pressurizes and depressurizes a diagnostic target system including the fuel tank, a pressure detection unit that detects pressure in the diagnostic target system, a fuel state detection unit that detects a state of the fuel in the fuel tank, a leakage diagnosis unit that diagnoses leakages of evaporated fuel from the diagnostic target system, the diagnostic target system based on a change in a detection value detected by the pressure detection unit when the pump pressurizes or depressurizes the diagnostic target system, and a diagnosis determination unit that determines whether the leakage diagnosis unit performs the diagnosis based on a change in a state detection value detected by the fuel state detection unit.


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    Titel :

    EVAPORATED FUEL TREATMENT DEVICE


    Beteiligte:
    YASUZAKA TAIKI (Autor:in)

    Erscheinungsdatum :

    02.04.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / 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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