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    SYSTEM AND METHOD FOR UTILIZATION OF SHROUDED PLASMA SPRAY OR SHROUDED LIQUID SUSPENSION INJECTION IN SUSPENSION PLASMA SPRAY PROCESSES
    1.
    发明申请
    SYSTEM AND METHOD FOR UTILIZATION OF SHROUDED PLASMA SPRAY OR SHROUDED LIQUID SUSPENSION INJECTION IN SUSPENSION PLASMA SPRAY PROCESSES 审中-公开
    使用等离子体喷雾或悬浮液喷射方法的悬浮液悬浮液注入系统和方法

    公开(公告)号：US20130157040A1

    公开(公告)日：2013-06-20

    申请号：US13715189

    申请日：2012-12-14

    申请人： Christopher A. Petorak ,  Don J. Lemen ,  Albert Feuerstein ,  Thomas F. Lewis, III ,  Mark McCoy

    发明人： Christopher A. Petorak ,  Don J. Lemen ,  Albert Feuerstein ,  Thomas F. Lewis, III ,  Mark McCoy

    IPC分类号： B05B7/20 ,  C23C4/12

    CPC分类号： B05B7/205 ,  C23C4/12 ,  C23C4/123 ,  C23C4/134 ,  Y10T428/25

    摘要： A system and method for producing thermal spray coatings on a substrate from a liquid suspension is disclosed. The disclosed system and method include a thermal spray torch for generating a plasma and a liquid suspension delivery subsystem for delivering a flow of liquid suspension with sub-micron particles to the plasma to produce a plasma effluent. The liquid suspension delivery subsystem comprises an injector or nozzle which can produce an inert or reactive gas sheath partially or fully surrounding the plasma effluent. A sheath can also be used to isolate injection of the liquid suspension. A gas assist stream can also be employed at or near the suspension injection point. The shroud, sheath or gas assist technique can retain the sub-micron particles entrained within the plasma effluent and substantially prevent entrainment of ambient gases into the plasma effluent. The liquid suspension delivery subsystem can be arranged as an axial injection system, a radial internal injection system or an external radial injection system.

    摘要翻译： 公开了一种用于从液体悬浮液在衬底上生产热喷涂的系统和方法。 所公开的系统和方法包括用于产生等离子体的热喷枪和用于将具有亚微米颗粒的液体悬浮液流传送到等离子体以产生等离子体流出物的液体悬浮物输送子系统。 液体悬浮液输送子系统包括可以部分或完全围绕等离子体流出物产生惰性或反应性气体鞘的喷射器或喷嘴。 护套也可用于分离液体悬浮液的注射。 也可以在悬浮液注入点处或附近使用气体助流。 护罩，护套或气体辅助技术可以保持夹带在等离子体流出物内的亚微米颗粒，并且基本上防止环境气体夹带到等离子体流出物中。 液体悬挂输送子系统可以布置为轴向注射系统，径向内部注射系统或外部径向注射系统。

    REACTIVE GAS SHROUD OR FLAME SHEATH FOR SUSPENSION PLASMA SPRAY PROCESSES
    3.
    发明申请
    REACTIVE GAS SHROUD OR FLAME SHEATH FOR SUSPENSION PLASMA SPRAY PROCESSES 审中-公开
    用于悬浮等离子喷涂工艺的反应性气体或火焰管

    公开(公告)号：US20130156968A1

    公开(公告)日：2013-06-20

    申请号：US13715361

    申请日：2012-12-14

    申请人： Christopher A. Petorak ,  Don J. Lemen ,  Albert Feuerstein ,  Thomas F. Lewis, III

    发明人： Christopher A. Petorak ,  Don J. Lemen ,  Albert Feuerstein ,  Thomas F. Lewis, III

    IPC分类号： C23C4/12

    摘要： A system and method for producing thermal spray coatings on a substrate from a liquid suspension is disclosed. The disclosed system and method include a thermal spray torch for generating a plasma and a liquid suspension delivery subsystem for delivering a flow of liquid suspension with sub-micron particles to the plasma to produce a plasma effluent. The liquid suspension delivery subsystem comprises an injector or nozzle which can produce a reactive gas shroud surrounding the plasma effluent. A flame envelope can also be used to isolate injection of the liquid suspension. The shroud or flame envelope can retain the sub-micron particles entrained within the plasma effluent and substantially prevent entrainment of ambient gases into the plasma effluent. The liquid suspension delivery subsystem can be arranged as an axial injection system, a radial internal injection system or an external radial injection system.

    摘要翻译： 公开了一种用于从液体悬浮液在衬底上生产热喷涂的系统和方法。 所公开的系统和方法包括用于产生等离子体的热喷枪和用于将具有亚微米颗粒的液体悬浮液流传送到等离子体以产生等离子体流出物的液体悬浮物输送子系统。 液体悬浮物输送子系统包括可以产生围绕等离子体流出物的反应性气体护罩的喷射器或喷嘴。 也可以使用火焰包络来分离液体悬浮液的注入。 护罩或火焰封套可以保持夹带在等离子体流出物内的亚微米颗粒，并且基本上防止环境气体夹带到等离子体流出物中。 液体悬挂输送子系统可以布置为轴向注射系统，径向内部注射系统或外部径向注射系统。