A check valve of a vacuum booster device is provided with a main body assembled in a vacuum pressure inlet port, a first passage, an accommodating portion and a second passage, a valve seat formed in the first passage, a valve body accommodated in the accommodating portion, and a spring which urges the valve body toward the valve seat. The spring is configured to include an end coil portion which engages with a spring seat, an expanding and contracting coil portion which expands and contracts and is separated from a flange portion of the valve body, and a linking coil portion which is separated from the flange portion and the spring seat and links the end coil portion and the expanding and contracting coil portion.


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    Titel :

    VACUUM BOOSTER DEVICE


    Beteiligte:

    Erscheinungsdatum :

    06.08.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / F16K VALVES , Ventile



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