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    • 3. 发明申请
    • FUEL CELL SYSTEM
    • 燃油电池系统
    • US20100151291A1
    • 2010-06-17
    • US12638330
    • 2009-12-15
    • Narihiro TakagiKuri Kasuya
    • Narihiro TakagiKuri Kasuya
    • H01M8/04
    • H01M8/04089H01M8/0271H01M8/04201H01M8/04223H01M8/04225H01M8/04253H01M8/04303
    • A fuel cell system includes: a fuel cell having an anode and a cathode; an oxidant gas flowpath supplying the oxidant gas to the fuel cell and discharging the oxidant gas from the fuel cell; a first shut-off valve disposed upstream from the fuel cell and having a first valve body; a second shut-off valve disposed downstream from the fuel cell and having a second valve body; a cathode control unit for sealing the cathode; and a scavenging unit for scavenging the anode by supplying the oxidant gas to the anode, wherein the cathode control unit, before scavenging the anode by using the scavenging unit, unseals the cathode by opening the first shut-off valve and the second shut-off valve. The fuel cell system is capable of preventing the valve bodies pressed against seat sections from being frozen even below the freezing temperature, and capable of avoiding a situation unable to restart a turned-off state of the fuel cell system.
    • 燃料电池系统包括:具有阳极和阴极的燃料电池; 将氧化剂气体供应到燃料电池并从燃料电池排出氧化剂气体的氧化剂气体流路; 第一截止阀,设置在燃料电池的上游并具有第一阀体; 第二截止阀,其设置在所述燃料电池的下游并具有第二阀体; 用于密封阴极的阴极控制单元; 以及用于通过向阳极供给氧化剂气体来清除阳极的清除单元,其中阴极控制单元在通过使用扫气单元清除阳极之前通过打开第一截止阀和第二截止阀来封闭阴极 阀。 燃料电池系统能够防止阀座压在座部上,甚至低于冷冻温度而被冷冻,并且能够避免不能重新启动燃料电池系统的关闭状态的情况。
    • 5. 发明授权
    • Fuel cell system
    • 燃料电池系统
    • US08399140B2
    • 2013-03-19
    • US12631448
    • 2009-12-04
    • Narihiro TakagiKuri Kasuya
    • Narihiro TakagiKuri Kasuya
    • H01M8/04
    • H01M8/04201H01M8/04223
    • A fuel cell system includes: a fuel cell; a normally-closed first shut-off valve provided upstream from the fuel cell and opening and closing pipes c1 and allowing air supplied from an air pump to pass therethrough; a normally-closed second shut-off valve opening and closing a pipe allowing cathode off-gas, discharged from the fuel cell, to pass therethrough; a valve-driving section for opening and closing discs of the shut-off valves; and valve lock units maintaining discs of the shut-off valves in open state when the cathode is released by opening the first shut-off valve and the second shut-off valve during electro-chemical reaction progressing in the fuel cell. This structure provides a simple and small-size fuel cell system capable of maintaining opening state of shut-off valves stably and reliably.
    • 燃料电池系统包括:燃料电池; 设置在燃料电池上游的常闭第一截止阀,以及开闭管c1,并且允许从空气泵供给的空气通过; 常开闭合的第二截止阀,其开启和关闭允许从燃料电池排出的阴极废气通过的管道; 用于打开和关闭截止阀的盘的阀驱动部分; 以及阀锁定单元,当通过在燃料电池中的电化学反应进行期间打开第一截止阀和第二截止阀来释放阴极时,将截止阀的盘保持在打开状态。 该结构提供了能够稳定可靠地保持截止阀的开启状态的简单且小型的燃料电池系统。
    • 6. 发明申请
    • FUEL CELL SYSTEM
    • 燃油电池系统
    • US20100143757A1
    • 2010-06-10
    • US12631448
    • 2009-12-04
    • Narihiro TakagiKuri Kasuya
    • Narihiro TakagiKuri Kasuya
    • H01M8/04
    • H01M8/04201H01M8/04223
    • A fuel cell system includes: a fuel cell; a normally-closed first shut-off valve provided upstream from the fuel cell and opening and closing pipes c1 and allowing air supplied from an air pump to pass therethrough; a normally-closed second shut-off valve opening and closing a pipe allowing cathode off-gas, discharged from the fuel cell, to pass therethrough; a valve-driving section for opening and closing discs of the shut-off valves; and valve lock units maintaining discs of the shut-off valves in open state when the cathode is released by opening the first shut-off valve and the second shut-off valve during electro-chemical reaction progressing in the fuel cell. This structure provides a simple and small-size fuel cell system capable of maintaining opening state of shut-off valves stably and reliably.
    • 燃料电池系统包括:燃料电池; 设置在燃料电池上游的常闭第一截止阀,以及开闭管c1,并且允许从空气泵供给的空气通过; 常开闭合的第二截止阀,其开启和关闭允许从燃料电池排出的阴极废气通过的管道; 用于打开和关闭截止阀的盘的阀驱动部分; 以及阀锁定单元,当通过在燃料电池中的电化学反应进行期间打开第一截止阀和第二截止阀来释放阴极时,将截止阀的盘保持在打开状态。 该结构提供了能够稳定可靠地保持截止阀的开启状态的简单且小型的燃料电池系统。