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    Apparatus and process for depositing coatings
    2.
    发明授权
    Apparatus and process for depositing coatings 有权
    沉积涂层的设备和工艺

    公开(公告)号：US08052074B2

    公开(公告)日：2011-11-08

    申请号：US12548572

    申请日：2009-08-27

    申请人： Viswanathan Venkatachalapathy ,  Yuk-Chiu Lau ,  Eklavya Calla

    发明人： Viswanathan Venkatachalapathy ,  Yuk-Chiu Lau ,  Eklavya Calla

    IPC分类号： A01C3/06 ,  B05B1/24 ,  B05B7/00 ,  B05D1/12 ,  B24C5/04

    CPC分类号： B05B7/1486 ,  B05B7/1626 ,  B05B13/0636 ,  C23C24/04 ,  Y02T50/67

    摘要： A spray coating process and apparatus suitable for depositing coatings on surfaces of components, and particularly surfaces that are difficult to access with conventional cold spraying equipment. The process and apparatus employ a spray gun having a tubular body with a longitudinal axis and an exit at one end thereof. The body has a first portion defining a converging passage, a second portion defining a diverging passage that defines the exit of the body, and a throat portion therebetween that defines a throat between and connecting the converging and diverging passages. The gun is further equipped with at least one gas inlet for introducing a gas upstream of the converging passage, and at least one feedstock inlet for introducing a feedstock at or immediately upstream of the throat.

    摘要翻译： 适用于在组件表面上沉积涂层的喷涂工艺和装置，特别是用常规冷喷涂设备难以接近的表面。 该方法和装置采用喷枪，该喷枪具有一纵向轴线的管状体和一端的出口。 主体具有限定会聚通道的第一部分，限定限定主体出口的发散通道的第二部分和在其之间的喉部，其在收敛和发散通道之间​​限定了喉部并连接。 枪还配有至少一个用于在会聚通道上游引入气体的气体入口，以及至少一个用于在喉部上游或在喉部上游引入原料的原料入口。

    APPARATUS AND PROCESS FOR DEPOSITING COATINGS
    3.
    发明申请
    APPARATUS AND PROCESS FOR DEPOSITING COATINGS 有权
    沉积涂料的设备和工艺

    公开(公告)号：US20110052824A1

    公开(公告)日：2011-03-03

    申请号：US12548572

    申请日：2009-08-27

    申请人： Viswanathan Venkatachalapathy ,  Yuk-Chiu Lau ,  Eklavya Calla

    发明人： Viswanathan Venkatachalapathy ,  Yuk-Chiu Lau ,  Eklavya Calla

    IPC分类号： B05D1/02 ,  B05B7/00 ,  B05B3/00

    CPC分类号： B05B7/1486 ,  B05B7/1626 ,  B05B13/0636 ,  C23C24/04 ,  Y02T50/67

    摘要： A spray coating process and apparatus suitable for depositing coatings on surfaces of components, and particularly surfaces that are difficult to access with conventional cold spraying equipment. The process and apparatus employ a spray gun having a tubular body with a longitudinal axis and an exit at one end thereof. The body has a first portion defining a converging passage, a second portion defining a diverging passage that defines the exit of the body, and a throat portion therebetween that defines a throat between and connecting the converging and diverging passages. The gun is further equipped with at least one gas inlet for introducing a gas upstream of the converging passage, and at least one feedstock inlet for introducing a feedstock at or immediately upstream of the throat.

    摘要翻译： 适用于在组件表面上沉积涂层的喷涂工艺和装置，特别是用常规冷喷涂设备难以接近的表面。 该方法和装置采用喷枪，该喷枪具有一纵向轴线的管状体和一端的出口。 主体具有限定会聚通道的第一部分，限定限定主体出口的发散通道的第二部分和在其之间的喉部，其在收敛和发散通道之间​​限定了喉部并连接。 枪还配有至少一个用于在会聚通道上游引入气体的气体入口，以及至少一个用于在喉部上游或在喉部上游引入原料的原料入口。

    Multi-nozzle spray gun
    4.
    发明授权
    Multi-nozzle spray gun 有权
    多喷嘴喷枪

    公开(公告)号：US08544769B2

    公开(公告)日：2013-10-01

    申请号：US13190762

    申请日：2011-07-26

    申请人： Eklavya Calla ,  Viswanathan Venkatachalapathy

    发明人： Eklavya Calla ,  Viswanathan Venkatachalapathy

    IPC分类号： A62C2/08

    CPC分类号： B05B7/1486 ,  B05B1/14 ,  B05B7/0807 ,  B05B13/0431 ,  C23C24/04

    摘要： A spray apparatus includes a body having an outer surface and an interior portion, and a first nozzle arranged in the interior portion of the body. The first nozzle includes a first material inlet, a first convergent region, a first throat region, a first divergent region, and a first outlet. The first throat region and first outlet establish a first expansion ratio. A second nozzle is arranged in the interior portion of the body adjacent the first nozzle. The second nozzle includes a second material inlet, a second convergent region, a second throat region, a second divergent region, and a second outlet. The second throat region and the second outlet establish a second expansion ratio that is distinct from the first expansion ratio.

    摘要翻译： 喷雾装置包括具有外表面和内部部分的主体以及布置在主体内部的第一喷嘴。 第一喷嘴包括第一材料入口，第一收敛区域，第一喉部区域，第一发散区域和第一出口。 第一喉区和第一出口建立第一膨胀比。 第二喷嘴布置在与第一喷嘴相邻的主体的内部部分中。 第二喷嘴包括第二材料入口，第二收敛区域，第二喉部区域，第二发散区域和第二出口。 第二喉部区域和第二出口形成与第一膨胀比不同的第二膨胀比。

    MULTI-NOZZLE SPRAY GUN
    5.
    发明申请
    MULTI-NOZZLE SPRAY GUN 有权
    多喷嘴喷枪

    公开(公告)号：US20130026247A1

    公开(公告)日：2013-01-31

    申请号：US13190762

    申请日：2011-07-26

    申请人： Eklavya Calla ,  Viswanathan Venkatachalapathy

    发明人： Eklavya Calla ,  Viswanathan Venkatachalapathy

    IPC分类号： B05B17/00 ,  B05B7/02

    CPC分类号： B05B7/1486 ,  B05B1/14 ,  B05B7/0807 ,  B05B13/0431 ,  C23C24/04

    摘要： A spray apparatus includes a body having an outer surface and an interior portion, and a first nozzle arranged in the interior portion of the body. The first nozzle includes a first material inlet, a first convergent region, a first throat region, a first divergent region, and a first outlet. The first throat region and first outlet establish a first expansion ratio. A second nozzle is arranged in the interior portion of the body adjacent the first nozzle. The second nozzle includes a second material inlet, a second convergent region, a second throat region, a second divergent region, and a second outlet. The second throat region and the second outlet establish a second expansion ratio that is distinct from the first expansion ratio.

    摘要翻译： 喷雾装置包括具有外表面和内部部分的主体以及布置在主体内部的第一喷嘴。 第一喷嘴包括第一材料入口，第一收敛区域，第一喉部区域，第一发散区域和第一出口。 第一喉区和第一出口建立第一膨胀比。 第二喷嘴布置在与第一喷嘴相邻的主体的内部部分中。 第二喷嘴包括第二材料入口，第二收敛区域，第二喉部区域，第二发散区域和第二出口。 第二喉部区域和第二出口形成与第一膨胀比不同的第二膨胀比。