The invention refers to a fuel vapor storage and recovery apparatus (1) comprising at least one main vapor storage compartment (3) filled with an adsorbent material, at least one vapor inlet port (7), at least one atmospheric vent port (8) and at least one purge port (9), said vapor inlet port (7) being connectable to a fuel tank venting line and said purge port (9) being connectable to an engine air intake line, wherein said main vapor storage compartment (3) comprises a purge buffer zone (14) as well as first and second fuel vapor distribution chambers (10, 24) not filled with an adsorbent material. Said first fuel vapor distribution chamber is arranged upstream said purge buffer zone (14) and communicates with said fuel vapor inlet port (7). Said second fuel vapor distribution chamber (24) is arranged downstream said purge buffer zone and communicates with said purge port (9).
Fuel vapor storage and recovery apparatus
Kraftstoffdampfspeicher- und -rückgewinnungsvorrichtung
Appareil de stockage et récupération de vapeurs de combustible
2017-05-17
Patent
Electronic Resource
English
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 / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF |