Disclosed is a frequency sensitive type shock absorber including a piston rod reciprocating an inside of a cylinder and having a connection passage therein; a piston valve mounted on the piston rod and having a plurality of compression and rebound flow paths penetrating up and down thereof, and partitioning the cylinder into compression and rebound chambers; and a valve assembly mounted on the piston rod to generate a damping force that changes with frequency during a rebound stroke; wherein the valve assembly comprises a housing coupled to the piston rod and having a pilot chamber in communication with the connection passage; a main retainer coupled to the piston rod and having a main chamber formed on an upper portion thereof in communication with the connection passage; a first pilot valve coupled to the piston rod and disposed between the housing and the main retainer to partition the pilot chamber and the main chamber; and a second pilot valve coupled to the piston rod and disposed above the pilot chamber and configure to be elastically deformable depending on a change in pressure of the pilot chamber.


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    Titel :

    Frequency sensitive type shock absorber


    Beteiligte:
    KIM KYUDO (Autor:in) / KANG DONGWON (Autor:in) / KIM NAMHO (Autor:in) / PARK HYUNSOO (Autor:in)

    Erscheinungsdatum :

    20.06.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    F16F SPRINGS , Federn / B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge



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