A valve device for a fuel vapor system includes: a case having a valve seat; and an umbrella valve having a valve portion that provides a valve closed state by contacting the valve seat and provides a valve open state by separating from the valve seat, and an outer edge portion that is formed on a radially outer side of the valve portion and restrained by the case. The valve portion is elastically deformed so as to be convex by a predetermined amount in one direction in an axial direction in the valve closed state; and the valve portion is elastically deformed so as to be convex by greater than the predetermined amount in the one direction in the valve open state.


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    Titel :

    VALVE DEVICE FOR FUEL VAPOR SYSTEM


    Beteiligte:

    Erscheinungsdatum :

    16.06.2016


    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 / F16K VALVES , Ventile



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