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    • 1. 发明授权
    • Armature coil for slotless rotary electric machinery
    • 无转位旋转电机的电枢线圈
    • US06806612B2
    • 2004-10-19
    • US10621469
    • 2003-07-18
    • Kimiaki NakamuraNaomasa KimuraHiroshi Shiina
    • Kimiaki NakamuraNaomasa KimuraHiroshi Shiina
    • H02K1700
    • H02K3/24H02K3/04H02K3/47H02K9/005H02K15/045
    • An armature coil for a rotary electric machinery includes a plurality of identical coil blocks each formed by a plurality of turns of and elongated conductor. Each of the coil blocks includes two groups of axial sections which are diametrically opposed to each other, and curved sections joining the two groups to each other at each axial end. The axial sections of one of the groups is disposed in an inner cylindrical layer while the axial sections of the other of the groups are disposed in an outer cylindrical layer which is coaxial with the inner cylindrical layer. The coil blocks are combined with each other by circumferentially shifting one coil block from another in such a maimer that the axial sections are arranged circumferentially along the inner and outer cylindrical layers, one next to another.
    • 用于旋转电机的电枢线圈包括多个相同的线圈块,每个线圈块由多个细长导体形成。 每个线圈块包括彼此直径相对的两组轴向部分,以及在两个轴向端部将两个组彼此连接的弯曲部分。 组中的一个的轴向部分设置在内圆柱形层中,而另一组的轴向部分设置在与内圆柱形层同轴的外圆柱形层中。 线圈块通过周向地将一个线圈块从另一个线圈块彼此组合,使得轴向部分沿着内圆柱体层和外圆柱体层沿着另一个相邻布置。
    • 9. 发明授权
    • Process for producing methacrylic acid
    • 生产甲基丙烯酸的方法
    • US06410786B1
    • 2002-06-25
    • US09556697
    • 2000-04-24
    • Hideo OnoderaNaomasa KimuraEiichi Shiraishi
    • Hideo OnoderaNaomasa KimuraEiichi Shiraishi
    • C07C5121
    • C07C51/252C07C57/04
    • A process for vapor phase catalytic oxidation of methacrolein to produce methacrylic acid at high yield and with stability over a prolonged period is provided. The process is characterized, in the occasion of producing methacrylic acid by vapor phase catalytic oxidation of methacrolein using a fixed bed shell-and-tube reactor, in that (1) the catalyst layer in each reaction tube is divided into at least two layers in the axial direction of the tube to provide plural reaction zones, and (2) each of the reaction zones is filled with the catalyst in such a manner that the amount of the catalytically active component per unit volume of the reaction tube decreases from the gas inlet portion toward the gas outlet portion.
    • 提供了甲基丙烯醛的气相催化氧化以高产率和长时间稳定地生产甲基丙烯酸的方法。 该方法的特征在于,通过使用固定床管壳反应器通过气相催化氧化甲基丙烯醛来生产甲基丙烯酸,其中(1)将每个反应管中的催化剂层分成至少两层 管的轴向以提供多个反应区,和(2)每个反应区用催化剂填充,使得每单位体积的催化活性组分的量从气体入口减少 部分朝向气体出口部分。