| 摘要 |
An apparatus or a method serves for humidifying a gas flow flowing to a fuel cell. A humidifier and a bypass line passed around the humidifier are thereby present. The gas flow is partially passed around the humidifier and partially through the bypass line, so that an appropriate humidity level adjusts itself in the gas flow when it has been mixed again. In order to realize this, at least one valve is arranged either in the bypass line and/or in the area of the humidifier. This valve can be switched in a clock form between two positions, specifically an open position and a closed position.
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