| 摘要 |
PROBLEM TO BE SOLVED: To provide a fuel cell system capable of reducing variations in the temeperature of a stack.SOLUTION: A ventilation flue cover 22 is provided along a sidewall surface 19 of a stack, a ventilation flue 25 is formed between the stack and the ventilation flue cover, and a cooling fan for introducing air to the ventilation flue is provided. The ventilation flue is configured so that the cross-sectional area near the center in a blowing direction is smaller than the opening area of an air intake opening and an exhaust opening. The blowing speed becomes higher near the center than at the air intake opening and the exhaust opening, and the central part of the stack is cooled intensively, thus reducing variations in temperature.SELECTED DRAWING: Figure 3 |
