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    • 4. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2006164562A
    • 2006-06-22
    • JP2004349930
    • 2004-12-02
    • Denso Corp株式会社デンソー
    • HIRAMATSU HIDEHIKOYAMAMOTO TAKESHIMORISHIMA SHINGO
    • H01M8/04
    • H01M8/04231H01M8/04097H01M2008/1095H01M2250/20Y02T90/32
    • PROBLEM TO BE SOLVED: To suppress hydrogen exhaust value of a fuel cell by detecting hydrogen concentration or a physical value related to hydrogen concentration in a hydrogen electrode exit side of the fuel cell with simple configuration. SOLUTION: The fuel cell system is provided with offgas exhaust paths 31 and 48 exhausting offgas from the fuel cell 10, offgas exhaust means 36 and 42 discharging offgas from the offgas exhaust paths 31 and 48, an offgas pressure detecting means 37 detecting the pressure of the offgas, an offgas pressure variation value calculating means 40 deriving the pressure variation value before and after the offgas discharge and an offgas concentration calculating means calculating the offgas concentration based on the offgas variation value and the offgas pressure before the offgas discharge. Furthermore, a hydrogen concentration calculating means 40 calculating the hydrogen concentration in the offgas based on the offgas concentration is provided. A purge process is carried out based on the offgas concentration or the hydrogen concentration. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:通过以简单的结构检测燃料电池的氢电极出口侧的氢浓度或与氢浓度相关的物理值,来抑制燃料电池的氢排出值。 解决方案:燃料电池系统设有从燃料电池10排出废气的废气排放通道31和48,从排气通道31和48排出废气的排气装置36和42,废气压力检测装置37检测 废气压力,废气压力变化值计算装置40,其导出废气排放前后的压力变化值,废气浓度计算装置根据排气变化值和废气排出前的废气压力来计算废气浓度。 此外,提供了基于废气浓度计算废气中的氢浓度的氢浓度计算装置40。 基于废气浓度或氢气浓度进行吹扫处理。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Ejector device and fuel cell system using it
    • 使用它的喷射器装置和燃料电池系统
    • JP2005129315A
    • 2005-05-19
    • JP2003362492
    • 2003-10-22
    • Denso Corp株式会社デンソー
    • YAMAMOTO TAKESHIMORISHIMA SHINGOHIRAMATSU HIDEHIKO
    • H01M8/10H01M8/04H01M8/06
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To secure a moisturizing amount by warming main supply hydrogen by an extremely simple structure.
      SOLUTION: A metal sintered filter 55 is arranged at mainstream port 5114. There are numerous cases in which an ejector device 50 is usually adhered to a fuel cell 10 and arranged, and because the fuel cell 10 generates electric energy and heat by chemical reaction, a nozzle body 511 of the ejector device 50 is also heated by heat convection and a high temperature atmosphere. By means of the simple structure in which the metal sintered filter 55 is arranged at the mainstream port 5114 formed on the heated nozzle body 511, the metal sintered filter 55 is also heated by the heat convection from the nozzle body 511, and by means that the main supply hydrogen is circulated in a micro spaces of the heated metal sintered filter 55, the metal sintered filter acts as a heat exchanging function in which external heat is transferred to the main supply hydrogen, and heated, and the moisturizing amount is secured.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:通过以非常简单的结构加热主供应氢来确保保湿量。 解决方案:金属烧结过滤器55布置在主流端口5114处。喷射器装置50通常粘附到燃料电池10并布置的情况很多,并且因为燃料电池10通过以下方式产生电能和热量 喷射装置50的喷嘴体511也被热对流和高温气氛加热。 通过金属烧结过滤器55配置在形成在加热喷嘴体511上的主流口5114的简单结构,金属烧结过滤器55也受到来自喷嘴体511的热对流的加热, 主要供应的氢气在加热的金属烧结过滤器55的微小空间内循环,金属烧结过滤器用作热交换功能,其中外部热量传递到主供应氢,并被加热,并且保湿量得以确保。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2006310000A
    • 2006-11-09
    • JP2005129055
    • 2005-04-27
    • Denso Corp株式会社デンソー
    • HIRAMATSU HIDEHIKOMORISHIMA SHINGOYAMAMOTO TAKESHI
    • H01M8/04H01M8/00
    • H01M8/04097H01M8/04223H01M8/04388H01M8/04753H01M8/04761
    • PROBLEM TO BE SOLVED: To prevent exhaust of gas present in a fuel electrode of a fuel cell to the outside in starting of the fuel cell and at the same time, make the fuel cell ready to generate electric power by supplying fuel gas to the fuel cell.
      SOLUTION: Circulation ratio adjusting means 35, 50 controlling at least one of the flow rate of fuel gas flowing through fuel gas supply passages 30, 31, and that of off gas flowing through an off gas circulation passage and adjusting a circulation ratio which is a ratio of molar flow rate of off gas to that of the fuel gas are installed, and power generation pretreatment introducing fuel gas into the fuel cell 10 so that the circulation ratio enters a prescribed range before the fuel cell 10 starts power generation. The lower limit value of the prescribed range is set as a value for exhausting all gas present on the fuel electrode side of the fuel cell 10 before conducting the power generation pretreatment. The upper limit value of the prescribed range is set as a value for making the fuel gas concentration of mixture gas of fuel gas supplied to the fuel cell 10 and off gas in the concentration enough to generate electric power with the fuel cell 10.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了在燃料电池启动时防止燃料电池的燃料电极中存在的气体向外部排出,并且同时通过供应燃料气体使燃料电池准备好发电 到燃料电池。 解决方案:循环比调节装置35,50控制流过燃料气体供应通道30,31的燃料气体的流量和流过废气循环通道的废气的流量中的至少一个,并调节循环比 安装废气与燃料气体的摩尔流量的比率,以及将燃料气体引入燃料电池10的发电预处理,使得循环比在燃料电池10开始发电之前进入规定的范围。 在进行发电预处理之前,规定范围的下限值被设定为排出存在于燃料电池10的燃料电极侧的全部气体的值。 将规定范围的上限值设定为使供给到燃料电池10的燃料气体和废气的混合气体的燃料气体浓度达到足以与燃料电池10发电的值的值。

      版权所有(C)2007,JPO&INPIT

    • 8. 发明专利
    • Fuel cell system
    • 燃油电池系统
    • JP2005203179A
    • 2005-07-28
    • JP2004006683
    • 2004-01-14
    • Denso Corp株式会社デンソー
    • SAKAGAMI YUICHIKASHIWAGI HIDEKISAKAGUCHI SHINYAIMAMURA TOMONORIHIRAMATSU HIDEHIKOOKAMOTO KUNIO
    • H01M8/10H01M8/04
    • Y02E60/521
    • PROBLEM TO BE SOLVED: To provide a fuel cell system which is simple as compared with a conventional fuel cell system and which can always suppress the decrease of a power generating efficiency due to the presence of a reaction inhibitor without a fuel cell.
      SOLUTION: The fuel cell system has an air supply route 21 and an air exhaust route 22 for supplying and exhausting air to and from the fuel cell 10, and a hydrogen gas supply route 31 for supplying hydrogen to the fuel cell 10. Further, the system includes a reaction inhibitor exhaust route 32 for exhausting a reaction frost damage substance such as nitrogen and steam, etc. from the fuel electrode side of the fuel cell 10. The reaction inhibitor exhaust route 32 is connected between a pump 32 disposed on the air supply route 21 and an air cleaner 25. Further, an end module 37 having a film 43 for penetrating the nitrogen and the steam is disposed in the reaction inhibitor exhaust route 32.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种与传统的燃料电池系统相比简单的燃料电池系统,并且可以总是抑制由于没有燃料电池的反应抑制剂的存在而导致的发电效率的降低。 解决方案:燃料电池系统具有用于向燃料电池10供应空气和从燃料电池10排出空气的供气路径21和排气路径22,以及用于向燃料电池10供给氢的氢气供给路径31。 此外,该系统包括用于从燃料电池10的燃料电极侧排出诸如氮气和蒸汽等的反应冻害物质的反应抑制剂排出路线32.反应抑制剂排气路线32连接在设置的泵32之间 在空气供给路径21和空气净化器25上。此外,在反应抑制器排气路径32中设置有具有渗透氮气的膜43和蒸汽的端部模块37.副本(C)2005,JPO&NCIPI