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    • 13. 发明授权
    • Transformer
    • 变压器
    • US07167068B2
    • 2007-01-23
    • US10525199
    • 2003-08-13
    • Tomoyuki NakanoKazuhiko KinutaniHiroshi OgasawaraMizuto IdaYoshiharu Nakamura
    • Tomoyuki NakanoKazuhiko KinutaniHiroshi OgasawaraMizuto IdaYoshiharu Nakamura
    • H01F21/06
    • H01F27/327H01F27/255H01F27/2885H01F27/324H01F2017/046
    • A transformer has a bar-shaped ferrite core, an inner winding wound directly around the ferrite core, an outer winding wound over the inner winding, and a dielectric shield surrounding the outer winding. The outer winding has its circumference covered by a dielectric sheath, and has an intermediate winding portion between its winding start end and its winding stop end. The dielectric sheath in the intermediate winding portion is spaced from each other along the axis of the ferrite core to leave thereat a gap which is filled with a molding material. By provision of the gap between the dielectric sheath of the outer winding, the molding material forming the dielectric shield can be easy to flow in between the dielectric sheath of the outer winding and the inner winding, avoiding the void from appearing between the inner and outer windings for attaining stable electrical characteristic.
    • 变压器具有棒状铁氧体磁芯,直接缠绕在铁氧体磁芯周围的内绕组,缠绕在内绕组上的外绕组和围绕外绕组的电介质屏蔽。 外绕组的周缘由绝缘护套覆盖,并且在绕组起始端和绕组终止端之间具有中间绕组部分。 中间绕组部分中的电介质护套沿着铁氧体磁芯的轴线彼此间隔开,留下填充有模制材料的间隙。 通过设置外绕组的电介质护套之间的间隙,形成电介质屏蔽的成型材料可以容易地流入外绕组的介质护套和内绕组之间,从而避免在内外圈之间出现空隙 用于获得稳定的电气特性的绕组。
    • 19. 发明申请
    • Bulky paper
    • 庞大的纸
    • US20050178517A1
    • 2005-08-18
    • US10508969
    • 2003-03-26
    • Tomoyuki NakanoYasunori NanriReiji OhashiMitsutoshi Nakamura
    • Tomoyuki NakanoYasunori NanriReiji OhashiMitsutoshi Nakamura
    • D21H17/37D21H17/45D21H21/22D21H11/18D21H17/68
    • D21H17/45D21H17/375D21H21/22
    • Provide a bulky paper that provides improved paper-strength properties such as higher tensile strength without increasing paper density, while also offering good optical characteristics such as opacity and brightness, wherein the paper is produced by: (a) blending polyacrylamides that have an electric charge of 2.0 m-equivalent/g or less at pH2 and also 2.0 m-equivalent/g or less at pH12; (b) adding fillers comprising amorphous silica or silicate with a specific bulk density of 0.3 g/ml or less, bulk-increasing agents comprising fatty-acid polyamide compound or of ester compound of polyhydric alcohol and fatty acid, and/or mercerized pulps or bridged pulps; and (c) adjusting the relative bonding area of the paper containing polyacrylamides to 1.2 times the relative bonding area of a paper not containing polyacrylamides, or less.
    • 提供一种庞大的纸张,其提供更好的纸张强度性能,例如更高的拉伸强度,而不增加纸张密度,同时还提供良好的光学特性,例如不透明度和亮度,其中纸张通过以下方式制备:(a)混合具有电荷的聚丙烯酰胺 在pH2时为2.0m当量/ g或更低,在pH12时为2.0m当量/ g或更小; (b)添加包含特定体积密度为0.3g / ml以下的无定形二氧化硅或硅酸盐的填料,包含脂肪酸聚酰胺化合物或多元醇和脂肪酸的酯化合物的增量剂,和/或丝光化纸浆或 桥接纸浆 和(c)将含有聚丙烯酰胺的纸的相对粘合面积调整为不含聚丙烯酰胺的纸的相对粘合面积的1.2倍以下。