A timer valve (1) relating to an aspect of the present invention includes: a housing (2) including a spool hole (5) being in communication with a drain port (9), a feeding port (6) configured to receive hydraulic oil fed thereto and a discharge port (7) configured to discharge the hydraulic oil; and a spool (3) movably provided in the spool hole (5). The spool (3) has a first connection recess (15) defined in an outer surface (3a), the first connection recess (15) being configured to establish communication between the feeding port (6) and the discharge port (7); and a liaison channel (30) establishing communication between the first connection recess (15) and the drain port (9). Within the liaison channel (30), a filter (25) is formed between the spool hole (5) and the outer surface (3a) of the spool (3) to stop foreign matter from entering into the drain port (9).


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    Title :

    FLUID VALVE


    Additional title:

    FLUIDVENTIL
    SOUPAPE DE FLUIDE


    Contributors:
    KARINO TAKUHIRO (author) / AOKI YUJI (author)

    Publication date :

    2024-05-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / E02F Baggern , DREDGING



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