A pneumatically piloted retainer valve (10) for bottling brake cylinder pressure that can be set and released in response to changes in the brake pipe pressure. Pneumatically piloted retainer valve (26) provides a brake cylinder (BC) pressure retaining function that bottles applied brake cylinder pressure in the brake cylinder when brake pipe pressure is less than a predetermined cut-in pressure. Pneumatically piloted retainer valve includes a retainer valve (10) movable between a reset position, where brake cylinder pressure is in communication with exhaust and a bottle position, wherein brake cylinder pressure is isolated from exhaust. A retainer pilot control valve (40) provides for piloting of the retainer valve in response to a predetermined reduction or threshold increase in brake pipe pressure.


    Access

    Download


    Export, share and cite



    Title :

    Pneumatically piloted retainer valve for rail cars


    Contributors:

    Publication date :

    2020-10-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    Pneumatically piloted retainer valve for rail cars

    WRIGHT ERIC C / CONNELL JASON | European Patent Office | 2019

    Free access

    PNEUMATICALLY PILOTED RETAINER VALVE FOR RAIL CARS

    WRIGHT ERIC / CONNELL JASON | European Patent Office | 2018

    Free access

    PNEUMATICALLY PILOTED RETAINER VALVE FOR RAIL CARS

    WRIGHT ERIC C / CONNELL JASON | European Patent Office | 2018

    Free access

    PNEUMATICALLY PILOTED RETAINER VALVE FOR RAIL CARS

    WRIGHT ERIC C / CONNELL JASON | European Patent Office | 2019

    Free access

    Pneumatically operated devices on locomotives and cars

    Nellis, F.M. | Engineering Index Backfile | 1916