Valve assemblies are provided in a track tensioning system or in other applications. The valve assemblies allow pressurized fluid (grease or hydraulic fluid from a power machine) to be introduced or evacuated from the same port. The valve assemblies use either a single check ball or poppet configuration, or a dual check ball or poppet configuration which are moveable from a first configuration, in which fluid is blocked in one direction while allowing flow in the other direction, to a second configuration where the reverse is true. A track tensioning element includes piston retaining features which retain a piston within a track tensioning cylinder tube. A track tensioning element can also include a no-pre-load spring positioned in-line with the tensioning cylinder. Disclosed track tensioning systems and track tensioning elements can, in various embodiments, utilize any combination of all or some of the disclosed features.


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    Titel :

    TRACK TENSIONER


    Weitere Titelangaben:

    KETTENSPANNVORRICHTUNG
    TENDEUR DE CHENILLE


    Beteiligte:
    TOKACH THOMAS J (Autor:in) / COOMBS JASON R (Autor:in)

    Erscheinungsdatum :

    2018-03-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / F16K VALVES , Ventile



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