Process for producing insulations for electrical conductors by means of powder coating
    1.
    发明授权
    Process for producing insulations for electrical conductors by means of powder coating 失效
    通过粉末涂层生产电导体绝缘的工艺

    公开(公告)号:US06942900B2

    公开(公告)日:2005-09-13

    申请号:US10168625

    申请日:2000-12-21

    摘要: A process for producing insulations for electrical conductors by powder coating, which results in aging which is improved compared to glass-mica or casting-resin insulation, and a powder which is suitable for such a process. The powder is applied a number of times in succession, in the form of individual layers which follow one another, until a layer thickness of ≦10 mm is reached, and each of the individual layers undergoes intermediate heat curing before the next individual layer is applied. The intermediate curing of each individual layer uses a curing time which corresponds to 2-10 times the gel time of the powder used. Finally, the entire insulation undergoes final curing. The result of an electrical life test carried out on various specimens insulated with epoxy-resin powder which contains fine filler.

    摘要翻译: 通过粉末涂料制造电导体的绝缘体的方法,其与玻璃云母或浇铸树脂绝缘相比导致老化,并且适合于这种方法的粉末。 将粉末连续施加多次,以彼此相邻的各层的形式,直到达到<= 10mm的层厚度,并且每个单独的层在下一个层之前经历中间热固化 应用。 每个单层的中间固化使用相当于所用粉末凝胶时间的2-10倍的固化时间。 最后,整个绝缘体经历最终的固化。 在使用含有细填料的环氧树脂粉末绝缘的各种试样上进行电寿命试验的结果。

    Method for producing a high-quality insulation of electrical conductors or conductor bundles of rotating electrical machines by means of fluidized-bed sintering
    2.
    发明授权
    Method for producing a high-quality insulation of electrical conductors or conductor bundles of rotating electrical machines by means of fluidized-bed sintering 失效
    通过流化床烧结制造旋转电机电导体或导体束的高品质绝缘的方法

    公开(公告)号:US06780457B2

    公开(公告)日:2004-08-24

    申请号:US10168620

    申请日:2002-10-11

    IPC分类号: B05D124

    CPC分类号: H02K15/12 H02K3/40

    摘要: The invention discloses a process for producing a high-quality insulation on a conductor or conductor bundle of rotating electrical machines, in which, in successive immersion passes in a fluidized-bed sintering tank, internal corona-discharge protection, insulation and external corona-discharge protection are applied, in each case with layer thicknesses of ≦0.2 mm. The sintering and curing take place at temperatures of approx. 200° C., so that it is possible to use materials which satisfy the demands which are imposed on the insulation of conductors or conductor bundles of this type for rotating electrical machines. Furthermore, the production process, in particular the layer thickness selected for the individual layers, ensures that the individual layers are free of defects, so that it is impossible for there to be any partial discharges, which would otherwise lead to damage to the insulation.

    摘要翻译: 本发明公开了一种用于在旋转电机的导体或导体束上制造高质量绝缘的方法,其中在流化床烧结罐中连续浸没,内部电晕放电保护,绝缘和外部电晕放电 在每种情况下,层厚度<= 0.2 mm都可以进行保护。 烧结和固化发生在约 200℃,因此可以使用满足对旋转电机的这种类型的导体或导体束的绝缘的要求的材料。 此外,生产过程,特别是为各层选择的层厚度确保了各层没有缺陷,使得不可能存在任何局部放电,否则会导致绝缘损坏。

    Method for producing a high-quality insulation of electric conductors or conductor bundles of rotating electrical machines by means of spray sintering
    3.
    发明授权
    Method for producing a high-quality insulation of electric conductors or conductor bundles of rotating electrical machines by means of spray sintering 失效
    通过喷雾烧结制造旋转电机电导体或导体束的高品质绝缘的方法

    公开(公告)号:US07052569B2

    公开(公告)日:2006-05-30

    申请号:US10168174

    申请日:2000-12-21

    IPC分类号: B05D1/06

    摘要: The present invention discloses a process for producing a high-quality insulation for conductors or conductor bundles of electrical machines by means of spray-sintering. Unlike in the prior art, it is possible to apply internal corona-discharge protection, insulation and external corona-discharge protection to conductors or conductor bundles in which, on account of a very low level of defects in the insulation and its inherent resistance to partial discharges, it is possible to dispense with the use of winding processes using glass/mica tapes. This eliminates the need to use complex special equipment and allows the throughput times to be shortened considerably.

    摘要翻译: 本发明公开了一种通过喷雾烧结来生产电机的导体或导体束的高质量绝缘的方法。 与现有技术不同,可以对导体或导体束施加内部电晕放电保护,绝缘和外部电晕放电保护,其中由于绝缘中的缺陷水平非常低,并且其固有的部分抗电阻 放电,可以省略使用玻璃/云母带的卷绕工艺。 这消除了使用复杂的特殊设备的需要,并且可以大大缩短生产时间。

    Method and device for controlling the outflow of a fluidized solid from
a container
    5.
    发明授权
    Method and device for controlling the outflow of a fluidized solid from a container 失效
    用于控制流化固体从容器流出的方法和装置

    公开(公告)号:US5800876A

    公开(公告)日:1998-09-01

    申请号:US804129

    申请日:1997-02-20

    摘要: A method and a device for controlling the outflow of fluid powder from a container can be used for controlling the expulsion of powder out of a powder-spraying apparatus for electrostatic coating. The disadvantages of a mechanical closing device are avoided by introducing closing air into an extraction pipe for extracting fluidized powder out of a container. The closing air is introduced through a pipe which opens into an orifice in the casing of the extraction pipe. The mass flow of fluidized powder can be controlled by an appropriate setting of a pressure in the extraction pipe in relation to the pressure in the fluid bed, that is to say by the introduction of closing air at an appropriate pressure.

    摘要翻译: 用于控制流体粉末从容器流出的方法和装置可用于控制粉末从粉末喷涂装置中排出静电涂布。 通过将闭合空气引入用于从容器中提取流化粉末的提取管中来避免机械闭合装置的缺点。 关闭空气通过在抽吸管的壳体内开口的管道引入。 流化粉末的质量流量可以通过相对于流化床中的压力适当地设定提取管中的压力来控制,也就是说通过在合适的压力下引入封闭空气。