본 발명은 자동차의 연료 주유시 벤팅밸브의 통기를 차단하여 연료탱크에 주입되는 연료의 과주유를 방지하기 위한 자동차의 연료탱크 벤팅 시스템에 관한 것으로, 구체적으로는 캐니스터와 연료주입구 사이에 엔진 흡기부압에 의해 작동되는 부압작동밸브를 적용하여, 연료 주유시에는 캐니스터와 연료주입구 사이에 연통하는 통로를 막아 벤팅밸브의 통기를 차단함으로써 연료탱크에 주입되는 연료의 추가 주유를 제한하고, 차량 주행시에는 캐니스터와 연료주입구 사이에 연통하는 통로를 열어 벤팅밸브에 의한 통기성을 확보함으로써 연료탱크의 상시 벤팅을 가능하게 하는 자동차의 연료탱크 벤팅 시스템을 제공하는데 그 목적이 있다.

    The present invention relates to a fuel tank venting system for a vehicle, which prevents a fuel from being injected into a fuel tank by blocking ventilation of a venting valve during fuel filling of a vehicle and, more specifically, to a fuel tank venting system for a vehicle, which restricts ventilation of a venting valve by blocking a passage connected between a canister and a fuel inlet during fuel filling by applying a negative pressure operating valve operated by an engine intake pressure between a canister and a fuel inlet, restricts additional filling of a fuel injected into the fuel tank, and secures ventilation by the venting valve by opening a passage connected between the canister and the fuel inlet when driving the vehicle, thereby enabling the fuel tank to be continuously vented.


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    Titel :

    Fuel tank venting system for vehicle


    Weitere Titelangaben:

    자동차의 연료탱크 벤팅 시스템


    Erscheinungsdatum :

    2022-04-05


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Koreanisch


    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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