A valve assembly for fuel tanks of vehicles, which can be arranged, in a respective operating configuration, along a communication route (A) between the fuel tank of a vehicle and the external environment; the route (A) can be of the type of a filler neck (B) of the fuel tank, a ventilation tube of the fuel tank, and the like. The assembly (1) comprises at least one first diaphragm (2) which is normally arranged so as to close the communication route (A) and is elastically movable following an increase in the pressure level inside the fuel tank, in order to allow the temporary exit of air from the fuel tank and the lowering of the pressure level. The valve assembly (1) comprises at least one second diaphragm (3), which is arranged so as to close the communication route (A) in series with the first diaphragm (2) on the other side from the fuel tank, in the operating configuration; the second diaphragm (3) has an aperture (4) which can be closed by a respective occlusion element (5), which is normally free to move in a space (6) comprised at least between the first diaphragm (2) and the second diaphragm (3), and is automatically positionable so as to close the aperture (4), when the space (6) is at least partially filled by the fuel normally contained in the fuel tank


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    Titel :

    VALVE ASSEMBLY FOR FUEL TANKS OF VEHICLES


    Weitere Titelangaben:

    VENTILANORDNUNG FÜR KRAFTSTOFFTANKS VON FAHRZEUGEN
    ENSEMBLE DE SOUPAPE POUR RÉSERVOIRS DE CARBURANT DE VÉHICULES


    Beteiligte:
    POMA ARMANDO (Autor:in)

    Erscheinungsdatum :

    2019-07-03


    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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