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    • 3. 发明授权
    • Air classifier
    • 空气分级机
    • US06318561B1
    • 2001-11-20
    • US09447862
    • 1999-11-23
    • Stefano ZampiniMarcus AdamGeorg Konetzka
    • Stefano ZampiniMarcus AdamGeorg Konetzka
    • B07B402
    • B07B7/083
    • This invention relates to an air classifier for the separation of granular material into three fractions, whereby each individual fraction is very precisely separated in a single housing. The classifier incorporates motor-driven separator/classifying wheels each of which is provided with a tangential separating-air supply at the level of the respective wheel, a fixed guide vane ring positioned at a radial distance from the circumference of the respective separating wheel, and at least one bulk-product feeder system as well as discharge provisions for fine, intermediate and coarse material, respectively. The wheels are provided with a closed cover disk at their respective first axial end and with fine and, respectively, medium fraction discharge port at their respective second axial end. The closed cover disks of the wheels form a free-flow gap in the space between the two stages of the classifier. An outward flow of air at the level of the upper and lower areas of the gap and an inward flow of air at the level of the center of the gap combine to produce a rotating eddy current or vortex in the separating zone. The vortex causes an extended dwell time of the dispersed bulk material particles in the transition zones of the two separating stages.
    • 本发明涉及一种用于将颗粒材料分离成三个部分的空气分级器,其中每个单独部分在单个壳体中非常精确地分离。 分选机包括电动分离器/分级轮,每个轮分别在相应车轮的水平面处设置有切向分离空气供应源,定位在距离相应分离轮的圆周径向距离的固定导向叶环上;以及 至少一个散装产品送料系统,以及分别用于精细,中间和粗料的排放设备。 轮子在它们各自的第一轴向端处设置有封闭的盖盘,并且在它们各自的第二轴向端处分别具有细的和分别为中等分数的排出口。 车轮的封闭盖盘在分级机的两级之间的空间中形成自由流动的间隙。 在间隙的上部和下部区域的水平面上的空气的向外的流动以及在间隙的中心水平处的向内的空气流合并在分离区域中产生旋转的涡流或涡流。 涡流导致分散的体积材料颗粒在两个分离阶段的过渡区域中延长的停留时间。
    • 4. 发明授权
    • Method for air classification of toner
    • 调色剂空气分级方法
    • US06260708B1
    • 2001-07-17
    • US09233059
    • 1999-01-20
    • Marcus AdamStefano ZampiniBodo Furc Hner
    • Marcus AdamStefano ZampiniBodo Furc Hner
    • B07B400
    • G03G9/0817B07B7/083B07B11/06
    • The method for air classification of toner used to develop electrostatic images, whereby a toner product consisting of a powder with a wide particle size distribution is converted into a higher-quality toner product with a narrow particle size distribution in that the residence time of the toner product is controlled by means of components, components which in the upper section of the classifying chamber quickly introduce the toner product in a homogeneous state into the classifying chamber, which in the central section of the classifying chamber permit a longer residence time of the toner product, and which in the bottom section of the classifying chamber permit rapid discharge of the toner product from the classifying chamber, all of which makes it possible to produce a toner end product with an extremely narrow particle size distribution.
    • 用于显影静电图像的调色剂的空气分级方法,由此由具有宽的粒度分布的粉末组成的调色剂产物转化为具有窄的粒度分布的较高质量的调色剂产物,因为调色剂的停留时间 产品通过部件控制,分级室的上部部分将均匀状态的调色剂产物快速地引入分级室,分级室的中央部分允许调色剂产品的停留时间更长 ,并且在分级室的底部区域允许调色剂产物从分级室快速排出,所有这些使得可以生产具有非常窄的粒度分布的调色剂终产物。