A spraying apparatus for applying a friction modifying fluid to a railroad rail, comprising: a nozzle body disposed in a housing; a fluid inlet conduit in fluid communication with an opening in housing; a fluid inlet disposed in the housing in fluid communication with a first fluid conduit defined by or disposed in the nozzle body; wherein the first fluid conduit runs from fluid inlet to a hollow nozzle tip body disposed on and protruding through a bottom of housing and wherein fluid inlet is also disposed below, and in fluid communication with, the fluid inlet conduit; a control fluid supply line and an atomizing fluid supply line each partially disposed in the housing and each having respective portions external of the housing for connecting with the same fluid supply or respective fluid supplies; wherein the control fluid supply line injects a pressurized control fluid against a piston assembly disposed in a piston cavity; wherein the piston assembly carries stopper needle which is biased towards hollow nozzle tip body by a spring so that the needle closes a nozzle tip opening of hollow nozzle tip body; wherein the atomizing fluid supply line provides a pressurized atomizing fluid into hollow nozzle tip body to atomize the first fluid supplied by the first fluid conduit into the hollow nozzle tip body via a fluid cap disposed on the hollow nozzle tip body; wherein in operation the control fluid supply line and the atomizing fluid supply line are operated simultaneously while the first fluid is supplied by the first fluid conduit into the hollow nozzle tip body via a fluid cap such that the pressurized control fluid injected by control fluid supply line against a piston assembly displaces needle out of the nozzle tip opening and allows the first fluid to exit out of the nozzle tip opening where the first fluid is atomized by the pressurized atomizing fluid supplied by the atomizing fluid supply line.


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    Titel :

    SPRAYING APPARATUS FOR APPLYING FRICTION MODIFYING MATERIAL TO RAILROAD RAIL


    Weitere Titelangaben:

    SPRÜHVORRICHTUNG ZUM AUFBRINGEN VON REIBUNGSMODIFIZIERENDEM MATERIAL AUF EISENBAHNSCHIENEN
    APPAREIL DE PULVÉRISATION PERMETTANT D'APPLIQUER UN MATÉRIAU DE MODIFICATION DE FROTTEMENT SUR UN RAIL DE CHEMIN DE FER


    Beteiligte:
    MITCHELL DAVEY (Autor:in) / ELVIDGE DAVID (Autor:in) / LOO DARREN (Autor:in) / MCKAY DOUG (Autor:in) / VANDERMAREL JOEL (Autor:in) / DAVIS NIGEL (Autor:in) / LUK SZE KEI (Autor:in)

    Erscheinungsdatum :

    2024-01-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B61C Lokomotiven , LOCOMOTIVES / B05B Sprühvorrichtungen , SPRAYING APPARATUS



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