利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

6 条记录 (耗时 0.016 秒)

    Separator for fuel cell, fuel cell stack, method for manufacturing separator for fuel cell, and fuel cell vehicle
    2.
    发明申请
    Separator for fuel cell, fuel cell stack, method for manufacturing separator for fuel cell, and fuel cell vehicle 审中-公开
    燃料电池用分离器，燃料电池堆，燃料电池用隔板的制造方法以及燃料电池车辆

    公开(公告)号：US20070037033A1

    公开(公告)日：2007-02-15

    申请号：US10572741

    申请日：2004-08-19

    申请人： Nobutaka Chiba ,  Keizo Otani ,  Shinji Ooe ,  Makoto Kano

    发明人： Nobutaka Chiba ,  Keizo Otani ,  Shinji Ooe ,  Makoto Kano

    IPC分类号： H01M8/04 ,  H01M8/00 ,  H01M2/18 ,  H01M2/14 ,  H01M8/02

    CPC分类号： H01M8/021 ,  H01M8/0206 ,  H01M8/0228 ,  H01M8/0254 ,  H01M8/026 ,  H01M8/1007 ,  Y02P70/56

    摘要： A separator for a fuel cell comprises a corrugated or undulated gas flow path portion (4) formed on central portion (2) of a clad thin plate: and a flat portion (6) formed on an outer periphery of the central portion, wherein the clad thin plate is obtained by applying rolling work on a metal plate whose surface is covered with a precious metal layer at a draft of 5% to 15% to make clad, and a limit plate thickness residual rate indicating a boundary limit in which cracking of the precious metal layer in the clad thin plate and reduction of corrosion resistance due to exposure of the metal plate are negligible is obtained in advance, wherein regarding a sectional shape in a direction orthogonal to a flow path of the gas flow path portion (4), when a plate thickness of the thinnest portion of a rib shoulder portion is represented as t2 and a plate thickness of a peripheral portion of the separator is represented as t4, a relationship of t2≧t4×limit plate thickness residual rate is satisfied.

    摘要翻译： 燃料电池用隔板包括形成在包层薄板的中央部（2）上的波纹状或波状的气体流路部（4）和形成在中央部的外周的平坦部（6），其中， 通过在表面覆盖有贵金属层的金属板上以5％〜15％的压下量进行轧制加工，得到包层薄板，制成包层，限制板厚残留率表示边界极限， 预先获得包覆薄板中的贵金属层和由金属板的暴露引起的耐腐蚀性的降低，其中关于与气体流路部分（4）的流动路径正交的方向上的截面形状， 当肋肩部的最薄部分的板厚被表示为t 2，并且隔板的周边部分的板厚表示为t 4时，t 2> = t 4×限制板厚度残差的关系 价格满意。

    Method and device for forming tubular work into shaped hollow product by using tubular hydroforming
    6.
    发明授权
    Method and device for forming tubular work into shaped hollow product by using tubular hydroforming 有权
    通过使用管状液压成型将管状工件形成成形中空产品的方法和装置

    公开(公告)号：US06415638B1

    公开(公告)日：2002-07-09

    申请号：US09534261

    申请日：2000-03-24

    申请人： Hiroshi Sakurai ,  Eizaburou Nakanishi ,  Shinji Ooe ,  Masanobu Hayasaka ,  Junji Katamura

    发明人： Hiroshi Sakurai ,  Eizaburou Nakanishi ,  Shinji Ooe ,  Masanobu Hayasaka ,  Junji Katamura

    IPC分类号： B21D2602

    CPC分类号： B21D22/125 ,  B21D22/105

    摘要： For forming a tubular work into a shaped hollow product by using hydroforming process, a method and a device are described. In the method, female and male dies are prepared. The female die has a longitudinally extending cavity which has a polygonal cross section when receiving the male die. The tubular work is placed into the cavity of the female die. The interior of the tubular work is then fed with a hydraulic fluid, and the pressure of the fluid is increased to a given level. The given level is smaller than a critical level that causes a bulging of the tubular work. The male die is then pressed against the tubular work to deform the same while keeping the hydraulic fluid at the given level, thereby forming a shaped hollow product that has a polygonal cross section that conforms to that of the cavity. The pressing work is continued until a circumferential length of the shaped hollow product becomes shorter than that of the tubular work.

    摘要翻译： 为了通过使用液压成型工艺将管状工件形成成型的中空产品，描述了一种方法和装置。 在该方法中，制备阴模和阴模。 阴模具有纵向延伸的空腔，当接收阳模时，其具有多边形横截面。 将管状工件放入阴模的空腔中。 然后，管状工件的内部被供给液压流体，并且流体的压力增加到给定的水平。 给定的水平小于导致管状工作膨胀的临界水平。 然后将阳模压在管状工件上以使其变形，同时将液压流体保持在给定的水平，从而形成具有与腔的多边形横截面一致的成形中空产品。 压制工作继续进行，直到成形中空制品的圆周长度变得短于管状工件的圆周长度。