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    • 55. 发明授权
    • Fuel cell with cooling method at start up
    • 燃料电池在启动时具有冷却方式
    • US08257874B2
    • 2012-09-04
    • US12910939
    • 2010-10-25
    • Kenji YamagaHironori Sasaki
    • Kenji YamagaHironori Sasaki
    • H01M8/04
    • H01M8/04014H01M8/04365H01M8/04559H01M8/04589H01M8/04723H01M8/04768
    • The fuel cell system includes a fuel cell stack, a fuel cell temperature sensor for measuring the internal temperature of the fuel cell, a voltage sensor for measuring the power generation voltage of the fuel cell, a current sensor for measuring the current flowing from the fuel cell, a radiator for radiating heat generated by the fuel cell, a fan attached to the radiator for controlling the heat radiation amount, a cooling water pump for increasing the pressure of a cooling fluid, a bypass valve for controlling the cooling fluid amount entering the radiator, and a controller, on the basis of the voltage information measured by the voltage sensor, the temperature information measured by the temperature sensor, and the current information measured by the current sensor, for controlling at least one of the operation amount of the cooling water pump, the operation amount of the fan, and the cooling fluid amount flowing through the bypass valve.
    • 燃料电池系统包括燃料电池堆,用于测量燃料电池的内部温度的燃料电池温度传感器,用于测量燃料电池的发电电压的电压传感器,用于测量从燃料流出的电流的电流传感器 电池,用于散发由燃料电池产生的热量的散热器,附接到散热器以控制散热量的风扇,用于增加冷却流体的压力的冷却水泵;用于控制进入 散热器和控制器,基于由电压传感器测量的电压信息,由温度传感器测量的温度信息和由电流传感器测量的电流信息,用于控制冷却的操作量中的至少一个 水泵,风扇的运转量以及流过旁通阀的冷却流体量。
    • 57. 发明申请
    • SEPARATOR AND FUEL CELL USING THEREOF
    • 使用它的分离器和燃料电池
    • US20090081524A1
    • 2009-03-26
    • US12276527
    • 2008-11-24
    • Hiroshi YamauchiKenji YamagaKo Takahashi
    • Hiroshi YamauchiKenji YamagaKo Takahashi
    • H01M2/02
    • H01M8/0206H01M8/0204H01M8/021H01M8/0234H01M8/0239H01M8/0243H01M8/0263H01M8/0267H01M8/0273H01M8/04029H01M8/04074H01M8/1011H01M8/242H01M2008/1095Y02E60/523
    • A fuel cell is provided therein with a metal separator for aiming at preventing corrosion and at reducing a contact resistance. The separator is compose of conductive passage board formed therein with passages, and a metal planar panel, the passage boards and the metal planar panel being superposed with one another. The metal planar panel is formed therein with a plurality of manifolds for passing reactive gas or cooling medium through an adjacent cell while the passage boards are formed therein with a plurality of meandering through channels for distributing the reactive gas or the cooling medium from the manifolds. Further, a part of the meandering through channels is superposed with a part or all parts of the manifolds, and a covering layer for preventing the metal planar panel from being corroded, and for restraining a growth of a nonconductive film is formed over an entire part of the metal planar panel or over at least a part thereof which makes contact with the meandering through channels.
    • 在其中设置有用于防止腐蚀和降低接触电阻的金属隔板的燃料电池。 分离器由形成有通道的导电通路板和金属平板组成,通路板和金属平面板彼此重叠。 金属平面板在其中形成有多个歧管,用于使反应性气体或冷却介质通过相邻电池,同时通道板中形成有多个曲折通道,用于从歧管分配反应气体或冷却介质。 此外,弯曲通道的一部分与歧管的一部分或全部重叠,并且用于防止金属平面板被腐蚀并且用于抑制非导电膜的生长的覆盖层形成在整个部分上 的金属平板或其至少一部分,其与曲折的通道相接触。
    • 58. 发明申请
    • POLYMER ELECTROLYTE FUEL CELL
    • 聚合物电解质燃料电池
    • US20080166610A1
    • 2008-07-10
    • US11923780
    • 2007-10-25
    • Katsunori NishimuraHironori SasakiKenji Yamaga
    • Katsunori NishimuraHironori SasakiKenji Yamaga
    • H01M8/04H01M8/10
    • H01M8/04291H01M8/04007H01M8/04097H01M8/04179H01M8/04223H01M8/04225H01M16/006
    • An object of the present invention is to provide a polymer electrolyte fuel cell capable of producing a high output without causing a drop or instability of the cell voltage of the fuel cell and a generating system having the polymer electrolyte fuel cell mounted thereon.A fuel cell system, wherein if, in a polymer electrolyte fuel cell having a cell comprising separators sandwiching an electrolyte membrane and electrodes, a temperature (Tmax) at which a standard deviation of a cell voltage begins to increase when water content retained in the cell is increased under conditions under which a cell temperature, a gas entrance dew point, and a current are specified and the temperature (Tmin) at which an average value of the cell voltage begins to drop when the gas dew point is decreased under conditions under which the cell temperature, gas entrance dew point, and current are specified are defined, the water content retained in the cell satisfies: upper limit of a maximum amount of water retained in a cell≧water content retained in a cell≧lower limit of a maximum amount of water retained in a cell is provided.
    • 本发明的目的是提供能够产生高输出而不引起燃料电池的电池电压的下降或不稳定的固体高分子型燃料电池,以及安装有聚合物电解质燃料电池的发电系统。 一种燃料电池系统,其中,如果在具有包含夹着电解质膜和电极的隔板的电池的聚合物电解质燃料电池中,当在电池中保持水分时,电池电压的标准偏差开始增加的温度(Tmax) 在规定了电池温度,气体入口露点和电流的条件下,在气体露点下降的情况下电池电压的平均值开始下降的温度(Tmin)增加,在此条件下, 规定电池温度,气体入口露点和电流,保留在电池中的水含量满足:保留在电池中的水的最大量的上限> =保留在电池中的水含量> =下限 提供保留在电池中的最大量的水。
    • 60. 发明授权
    • Optical recording medium and method of evaluating optical recording medium
    • 光记录媒体及评估光记录介质的方法
    • US07283457B2
    • 2007-10-16
    • US10493420
    • 2002-10-21
    • Kenji YamagaHideki Hirata
    • Kenji YamagaHideki Hirata
    • G11B7/24
    • G11B7/24079G11B7/00G11B7/00375G11B7/00736
    • A conventional mechanical precision measuring device is used effectively in the measurement of the eccentricity of a high density optical disc. A DVR optical disc 2 comprises a pattern 4 of fine depressions and protrusions conformed to the intended format of the disc (a first depressions and protrusions: pits and/or grooves) formed within an information recording area 6 of the disc, as well as a pattern 8 of fine depressions and protrusions for measuring the eccentricity (a second depressions and protrusions), which is formed in an area other than the information recording area 6, and is formed in accordance with a CD format having lower recording density than that of the format defined for the DVR optical disc 2. By using this pattern 8 of fine depressions and protrusions for mechanical detection, conventional mechanical precision measuring devices designed for the CD family can be used as it is, for measuring the eccentricity (mechanical precision) of the DVR optical disc 2.
    • 传统的机械精密测量装置有效地用于测量高密度光盘的偏心度。 DVR光盘2包括细分凹凸图案4,其形成在盘的信息记录区域6内形成的盘的预期格式(第一凹部和突起:凹坑和/或凹槽),以及 用于测量在信息记录区域6以外的区域中形成的偏心率(第二凹陷和突起)的细小凹陷和突起的图案8,并且根据具有比记录密度低的记录密度的CD格式形成 为DVR光盘2定义的格式。 通过使用这种用于机械检测的精细凹凸和突起的图案8,可以直接使用为CD系列设计的常规机械精密测量装置,用于测量DVR光盘2的偏心率(机械精度)。