A brake pressure modulator (110, 110a, 110b, 110c, 106) includes: a relay valve (202); a first valve sub-unit (204) that receives a primary control pressure from primary source (II) intended for opening the relay valve (202); and a second valve unit (206) that receives a secondary control pressure from a secondary source (‘BST’) and at least part of the primary control pressure. The second valve unit (206) is a pneumatically controlled valve (206D, 206A, 206B, 206C) having a valve casing (304) including a pressurized guiding sleeve (304.4) providing a valve chamber (305) that axially guides a spool (320) adapted for mere pneumatic actuation, and a coil casing (304.5) providing a coil chamber (306) next to the pressurized guiding sleeve (304.4). The valve chamber (305) is free of a spring (321) and the coil chamber (306) is free of a solenoid (311), such that the spool (320) is actuable pneumatically only.


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    Titel :

    BRAKE PRESSURE MODULATOR, PNEUMATIC BRAKE SYSTEM AND VEHICLE


    Beteiligte:

    Erscheinungsdatum :

    2023-12-07


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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