A fuel vapor recovery apparatus includes an adsorbent canister capable of capturing fuel vapor, a vapor passage connecting the adsorbent canister to a fuel tank, an atmospheric air passage communicating the adsorbent canister with the atmosphere, and a purge passage coupling the adsorbent canister to an intake pipe of an internal combustion engine. In addition, the apparatus includes a purge pump configured to generate a gas flow from the adsorbent canister to the intake pipe through the purge passage, and a flow control valve provided at the purge passage and configured to regulate the gas flow through the purge passage. Further, the apparatus includes a pressure regulator configured to make an absolute value of pressure at an outlet side of the purge pump smaller than an absolute value of pressure at an inlet side of the purge pump while the purge pump is driven.


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    Titel :

    Fuel vapor recovery apparatus


    Beteiligte:

    Erscheinungsdatum :

    20.02.2018


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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



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