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    • 8. 发明授权
    • Magnetic brush development apparatus
    • 磁刷开发装置
    • US4987853A
    • 1991-01-29
    • US280068
    • 1988-12-05
    • Richard AllenPaul HartleyThomas HilbertAndrew J. MauerThomas T. Stetz
    • Richard AllenPaul HartleyThomas HilbertAndrew J. MauerThomas T. Stetz
    • G03G15/08G03G15/09
    • G03G15/0822G03G15/09
    • Magnetic brush development apparatus for applying developer material to a latent electrostatic image in which flow of developer material, distributed in balance across the length of the apparatus, is assured. The apparatus includes a housing having a portion defining a sump adapted to contain a supply of developer material. A magnetic brush is located substantially within the housing in spaced relation to the sump portion for applying developer material to the latent image. A feed mechanism, located within the housing between the sump portion and the magnetic brush transports developer material from the sump to the magnetic brush. An agitating and transporting mechanism, located in said sump portion, agitates developer material and transports developer material to the feed mechanism. In the preferred embodiment the agitating and transporting mechanism is a ribbon blender. In order to assure the desired balanced developer material distribution in the apparatus housing under all conditions, a magnet is attached to the external wall of the housing adjacent to the sump portion.
    • 用于将显影剂材料施加到静电潜像的磁刷显影装置中,其中确保了跨装置长度平衡分布的显影剂材料流。 该装置包括具有限定适于容纳显影剂材料供应的贮槽的部分的壳体。 磁刷基本上位于壳体内,与贮槽部分间隔开,以将显影剂材料施加到潜像上。 位于贮槽部分和磁刷之间的壳体内的进料机构将显影剂材料从贮槽输送到磁刷。 位于所述贮槽部分中的搅拌和输送机构搅拌显影剂材料并将显影剂材料输送到进料机构。 在优选实施例中,搅拌和输送机构是带式搅拌器。 为了在所有条件下确保设备壳体中所需的平衡的显影剂材料分布,磁体附接到壳体的与贮槽部分相邻的外壁。
    • 10. 发明授权
    • Method of making a transformer with an improved insulation system
    • 制造具有改进绝缘系统的变压器的方法
    • US4179796A
    • 1979-12-25
    • US886125
    • 1978-03-13
    • Richard Allen
    • Richard Allen
    • H01F41/00H01F41/12
    • H01F41/127H01F41/005Y10T29/49071
    • A potted transformer winding and a method of manufacturing the same are disclosed. The method of manufacture includes the steps of inserting a temporary core pin in a hollow bobbin, winding a first coil of wire on the bobbin, placing a bobbin sleeve over the bobbin, and winding a second coil of wire on the sleeve to form a transformer winding assembly. Other sleeves and coils can be provided if desired. The transformer winding assembly is located in the interior of a casing, the casing and winding are heated, the casing interior and winding are subjected to a vacuum, and a potting compound is introduced into the casing interior in continuation of the vacuum and heat. The potting compound then flows between the core pin and the bobbin to form an electrically insulative coating inside the bobbin hollow. After the casing, winding and potting compound have cooled, at least one hole is formed in the casing adjacent an end of the pin and the pin is removed from the bobbin casing. A leg of a transformer core member may then be inserted into the cylindrical space defined by the thus exposed potting compound layer.
    • 公开了一种盆式变压器绕组及其制造方法。 制造方法包括以下步骤:将暂时的芯销插入中空筒管中,将线圈的第一线圈缠绕在线轴上,将筒管套筒放置在线轴上,并将第二线圈绕组套在套筒上以形成变压器 绕组装配。 如果需要,可以提供其他套筒和线圈。 变压器绕组组件位于壳体的内部,壳体和绕组被加热,壳体内部和绕组受到真空,并且灌封化合物在真空和热量的连续中被引入壳体内部。 然后,灌封组合物在芯销和筒管之间流动,以在筒管中心内部形成电绝缘涂层。 在壳体,绕组和灌封化合物已经冷却之后,在壳体中邻近销的端部形成至少一个孔,并且销从筒管套管移除。 然后可以将变压器铁心构件的腿插入由如此暴露的灌封化合物层限定的圆柱形空间中。