| 摘要 |
A cartridge-type ion removal filter 15 to remove ions from the cooling liquid in the cooling liquid circulation passage 20 is disposed in the middle of a cooling liquid circulation passage 20 to circulate the cooling liquid between a fuel cell stack 11 and a radiator 12. The ion removal filter 15 is disposed in the cooling liquid circulation passage so that an opening 26b of a vessel main body 26 is in a higher position than the highest level “H” of the cooling liquid in the reservoir tank 14.
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