| 摘要 |
PROBLEM TO BE SOLVED: To prevent occurrence of failure of electrical components due to dew condensation and moisture infiltration in a unit case, and corrosion of the electrical components and metal components due to salt damage by achieving both waterproofness and air permeability of the unit case, in a configuration in which a mixed gas supply device of a refrigeration device for a container are unitized and configured integrally.SOLUTION: In a unit case 70 having an airtight waterproof structure, an air pump 31 and adsorption cylinders 34, 35 are accommodated, and also, on a side surface of the unit case 70, a membrane filter 76 having air permeability and waterproofness is provided. |
