| 摘要 |
A control valve is provided for regulating flow and controlling pressure through a fuel cell stack having a plurality of fuel cells arranged in a layer configuration. A control valve is positioned at at least one of the four corners of the stacked configuration. The control valve includes a body and a tubular cylinder selectively rotatable within the body. A plurality of ports are vertically spaced in the body and in the tubular cylinder and in communication with the flow channels defined by each layer of the fuel cell.
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