| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cooling device 1 of a fuel cell stack 2 hardly generating cavitation even if a cooling medium 5 is circulated by a pump 3. <P>SOLUTION: The cooling device 1 of the fuel cell stack 2 introducing cooling medium 5 discharged from the pump 3 into the fuel cell stack 2, and putting the introduced cooling medium 5 from the fuel cell stack 2 back to a suction port 3b of the pump 3 to make the cooling medium 5 circulate, is provided with a reservoir tank 4 storing the cooling medium 5 which is overflown inside, and with an atmosphere open hole 4a for making its inside pressure equivalent to the atmospheric pressure, and an atmospheric pressure setting pipe 12 with an end connected to the suction port 3b and the other opened in the cooling medium 5 stored in the reservoir tank 4. <P>COPYRIGHT: (C)2010,JPO&INPIT |
