| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technology of improving drainage efficiency of stored water in a storage part in a fuel cell system. <P>SOLUTION: This is provided with a fuel gas supply flow passage, a fuel gas discharge flow passage, the storage part which is connected to the fuel gas discharge flow passage, in which water in the gas flow passage of the fuel cell system is made to flow in accompanied with a stream of the fuel gas, and which stores the water which has been made to flow in, a fuel gas circulation flow passage, a drain valve installed at the storage part, a circulation shutoff valve installed at the fuel gas circulation flow passage, a circulation pump installed at a position which is at the fuel gas circulation flow passage and which is on the more downstream side to the circulation direction of the fuel gas than the arrangement position of the circulation shutoff valve, a pump control part to drive control the circulation pump, and a valve control part to control so as to close valve the circulation shutoff vale in the case of drive controlling the circulation pump, and to drain out the stored water in the storage part to its outside by controlling to open valve the drain valve. <P>COPYRIGHT: (C)2007,JPO&INPIT |
