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    • 13. 发明申请
    • Heat exchanger for fuel cell
    • 燃料电池换热器
    • US20070277960A1
    • 2007-12-06
    • US11515029
    • 2006-09-05
    • Tae-won SongSeung-jae Lee
    • Tae-won SongSeung-jae Lee
    • F28D7/02H01M8/04F28D11/00
    • F28D15/0266F28D7/024F28D15/06F28D2021/0043F28F2265/14H01M8/04029
    • A heat exchanger that can mechanically automatically control a level of cooling water according to heat generation of the fuel cell. The heat exchanger includes a housing having a cooling water inlet and an outlet connected to a fuel cell stack, a moving plate which moves reciprocally in the housing and discharges cooling water filled in the housing to the stack when it moves in a one direction and when it receives a steam pressure from the stack it moves in an opposite direction, and an elastic member that applies a force to the moving plate in the one direction. The heat exchanger can automatically maintain the level of cooling water despite a difference in heat generated between a full and a partial load operation of the fuel cell obviating complicated electronics such as a thermo-sensor, a valve, or a controller. Also, under a partial load, the exposure of flow channels to superheated steam is avoided, thereby extending the lifetime of the fuel cell.
    • 一种热交换器,其能够根据燃料电池的发热机械地自动控制冷却水的水平。 所述热交换器包括壳体,所述壳体具有冷却水入口和连接到燃料电池堆的出口;移动板,其在所述壳体中往复运动,并且当其沿一个方向移动时将填充在所述壳体中的冷却水排出到所述堆叠 它从相对方向移动的烟囱接收蒸汽压力,以及向一个方向向移动板施加力的弹性部件。 尽管在燃料电池的全部和部分负载操作之间产生的热量差别,热交换器可以自动保持冷却水平,从而消除诸如热传感器,阀门或控制器的复杂电子设备。 此外,在部分负荷下,避免了流动通道暴露于过热蒸汽,从而延长了燃料电池的寿命。