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    • 3. 发明专利
    • Method for machining inner grooved tube
    • 用于加工内部管道的方法
    • JP2009208139A
    • 2009-09-17
    • JP2008056097
    • 2008-03-06
    • Hitachi Cable Ltd日立電線株式会社
    • SUZUKI YOSHIOKIYOFUJI MASAHIRO
    • B21C1/22B21C3/16
    • PROBLEM TO BE SOLVED: To provide a method for machining an inner grooved tube, which can easily apply twist to a metal tube and can increase a lead angle of the inner groove.
      SOLUTION: In the method for machining an inner grooved tube, a floating plug 2 and a grooved plug 4 connected to the floating plug 2 through a connecting rod 3 are arranged within a metal tube 1 withdrawn from a metal tube coil 18. The metal tube 1 is passed through a drawing die 9 to fasten the floating plug 2 to the drawing die 9. At the position of the grooved plug 4, the metal tube 1 is pressed on the grooved plug 4 to form a plurality of grooves 8 on the inner surface of the metal tube 1. The metal tube 1 is withdrawn in an axial direction from the metal tube coil 18, and, further, the metal tube coil 18 is rotated around the axis so that the metal tube 1 is rotated in the same direction as the direction of rotation of the grooved plug 4.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种加工内槽管的方法,其可以容易地对金属管施加扭曲并且可以增加内槽的引导角。 解决方案:在用于加工内槽管的方法中,通过连杆3连接到浮动塞2的浮动塞2和带槽塞4布置在从金属管线圈18撤回的金属管1内。 金属管1穿过拉丝模9将浮动塞2固定在拉丝模9上。在带槽塞4的位置,金属管1被压在带槽的塞子4上以形成多个槽8 在金属管1的内表面上。金属管1从金属管线圈18沿轴向退避,此外,金属管线圈18围绕轴线旋转,使得金属管1旋转 与槽式插头4的旋转方向相同的方向。版权所有(C)2009,JPO&INPIT
    • 5. 发明专利
    • Separator for fuel cell and fuel cell
    • 燃料电池和燃料电池分离器
    • JP2005228517A
    • 2005-08-25
    • JP2004033691
    • 2004-02-10
    • Hitachi Cable LtdHitachi Ltd日立電線株式会社株式会社日立製作所
    • NAKAGAWA KAZUHIKOTONOKI TATSUYAKIYOFUJI MASAHIROWAJIMA MINEOKUBOTA OSAMU
    • H01M8/02H01M8/10
    • Y02E60/523
    • PROBLEM TO BE SOLVED: To provide a separator for a fuel cell and a fuel cell which solve the problem of decrease of reaction area due to carbon dioxide gas at the fuel electrode side and gas passage closure by the generated water at the oxidizer electrode side, and uses a liquid fuel capable of application to a portable equipment or the like.
      SOLUTION: This is a fuel cell separator in which a fuel electrode 12 and an oxidizer electrode 13 are installed on both sides and which is arranged in a solid polyelectrolyte layer 11 and in which passage grooves 15, 16 for supplying respectively the fuel and the oxidizer are formed. One or a plurality of pieces of passage grooves 15, 16 are arranged in parallel in zigzag line on an identical surface and the passage groove 15 in which the fuel is supplied is formed so that the fuel may flow from the upper part toward the lower part, and the passage groove 16 in which the oxidizer gas is supplied is formed so that the oxidizer gas may flow from the upper part toward the lower part.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种用于解决由于燃料电极侧的二氧化碳气体引起的反应面积减少和氧化剂中产生的水的气体通道闭合的问题的燃料电池和燃料电池的隔板 电极侧,并且使用能够应用于便携式设备等的液体燃料。 解决方案:这是一种燃料电池分离器,其中燃料电极12和氧化剂电极13安装在两侧并且布置在固体聚电解质层11中,并且其中分别供应燃料的通道槽15,16 并形成氧化剂。 一个或多个通道槽15,16平行布置在同一表面上的之字形线上,并且其中供应燃料的通道槽15形成为使得燃料可以从上部向下部流动 并且形成有供给氧化剂气体的通路槽16,使得氧化剂气体可以从上部向下部流动。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Nb3Sn SUPERCONDUCTING WIRE AND METHOD FOR MANUFACTURING THE SAME
    • Nb3Sn超导线及其制造方法
    • JP2011150847A
    • 2011-08-04
    • JP2010010134
    • 2010-01-20
    • Hitachi Cable Ltd日立電線株式会社
    • OHATA KAZUMIKIYOFUJI MASAHIROKIMURA MORIO
    • H01B13/00C22C9/00C22C27/02C22F1/00H01B12/10
    • H01B12/04H01L39/2409Y10T29/49014Y10T428/12486
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing an Nb 3 Sn superconducting wire, which can suppress degradation in characteristics due to excess or deficiency in Sn and to provide the Nb 3 Sn superconducting wire. SOLUTION: The method of manufacturing Nb 3 Sn includes: a material preparing step of preparing metal materials containing Nb, Sn, and Cu; a wiring material-forming step of forming the wiring material which contains Nb, Sn, and Cu, with a molar ratio of Sn represented as ax+b(1-x) (0.3≤a≤0.4, 0.02≤b≤0.1), when the molar ratio of Nb and that of Cu are respectively represented by x and (1-x) (0.25≤x≤0.8) with respect to the total of Nb and Cu mole numbers; and a thermal-processing step of performing the thermal process to the wiring material to constitute Nb 3 Sn from Nb and Sn. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种制造Nb 3 SBS超导线的方法,其可以抑制由于Sn的过量或不足引起的特性劣化,并提供Nb 3 Sn超导线。 解决方案:制备Nb 3 S 3 Sn的方法包括:制备含有Nb,Sn和Cu的金属材料的材料制备步骤; 形成包含Nb,Sn和Cu的布线材料的布线材料形成步骤,其中Sn表示为ax + b(1-x)(0.3≤a≤0.4,0.02≤b≤0.1)的摩尔比, 当Nb和Cu的摩尔比分别由x和(1-x)(0.25≤x≤0.8)表示时,相对于Nb和Cu的总数; 以及对Nb和Sn构成NbS 3 Sn Sn的布线材料进行热处理的热处理工序。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Metal separator for fuel cell and its manufacturing method
    • 燃料电池的金属分离器及其制造方法
    • JP2009076304A
    • 2009-04-09
    • JP2007243964
    • 2007-09-20
    • Hitachi Cable Ltd日立電線株式会社
    • KIYOFUJI MASAHIRONAKAGAWA KAZUHIKOSASAOKA TAKAAKIWAJIMA MINEO
    • H01M8/02H01M8/10
    • H01M8/0228H01M8/0206H01M8/0254Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a high-accuracy fuel cell separator by enabling to carry out processing of complex recess-projection shapes without giving rise to cracks, even with a material with little ductility and poor processability. SOLUTION: For the metal separator for a fuel cell provided between laminated cells and having trapezoid recess-projection shapes formed on a metal plate to zone flow channels for fuel gas and oxidant gas, flat parts 4 in contact with upper and lower cells and slanted parts 5 coupling the flat parts 4 are formed by stamping or the like to make up a recess-projection shape, for which, thicknesses t of either the upper or lower flat parts 4, or, of both the upper and the lower flat parts are formed uniformly thinner at 90% or less of a thickness 'to' of the metal plate molded, and then the slanted parts 5 are to be formed. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:即使使用延展性低,加工性差的材料,也能够通过能够进行复杂的凹凸形状的处理而不产生裂纹,来提供高精度的燃料电池隔板。 解决方案:用于燃料电池的金属隔板,其设置在层叠电池之间,并且具有形成在金属板上的梯形凹凸形状,以分隔用于燃料气体和氧化剂气体的流动通道,与上部和下部电池接触的平坦部件4 并且通过冲压等形成与扁平部件4连接的倾斜部件5,以构成凹凸形状,对于该凹部形状,上下平坦部件4或上下平坦部件4的厚度t 在模制的金属板的厚度“to”的90%以下均匀地形成零件,然后形成倾斜部5。 版权所有(C)2009,JPO&INPIT
    • 8. 发明专利
    • Fuel cell, its separator, and its processing method
    • 燃料电池,其分离器及其加工方法
    • JP2008282728A
    • 2008-11-20
    • JP2007126937
    • 2007-05-11
    • Hitachi Cable Ltd日立電線株式会社
    • ASAKAWA YOHEIKIYOFUJI MASAHIRONAKAGAWA KAZUHIKO
    • H01M8/02H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To obtain a fuel cell with high reliability in which cracks of a corrosion resistant film are suppressed and a variation in groove shape hardly effect power generation efficiency, and its separator and its manufacturing method. SOLUTION: The fuel cell comprises an electrolyte/electrode complex 11, a separator 12 having a power generation part of a shape in which a plurality of grooves are connected, an end plate 9, a fuel gas supply tube 3, a fuel gas exhaust tube 4, an oxidant gas supply tube 5, and an oxidant gas exhaust tube 6. The electrolyte/electrode complex 11 and the separator 12 are alternately laminated, and recessed parts 18 are formed at both ends of a portion where the power generation part of the separator 12 contacts with the electrolyte/electrode complex 11. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了获得耐腐蚀膜的裂纹被抑制并且凹槽形状的变化几乎不影响发电效率的高可靠性的燃料电池及其隔板及其制造方法。 解决方案:燃料电池包括电解质/电极复合体11,具有连接多个槽的形状的发电部的隔板12,端板9,燃料气体供给管3,燃料 排气管4,氧化剂气体供给管5和氧化剂排气管6.电解质/电极复合体11和隔板12交替层叠,在发电部的两端形成有凹部18 分离器12的一部分与电解质/电极复合体11接触。版权所有(C)2009,JPO&INPIT