| 摘要 |
PROBLEM TO BE SOLVED: To reduce the amount of heat invading in a chamber in a refrigerator as low as possible, improve the cooling efficiency, and save energy by rationally maintaining the dew formation prevention function of dew prevention piping. SOLUTION: By providing a refrigeration chamber 37 formed at the upper portion of a first partition wall 35 in a heat-insulation box 31, a vegetable chamber 38 formed between the first and second partition walls 35 and 36, a refrigeration chamber 39 formed at the lower portion of the second partition wall 36, by arranging a line of dew-preventing pipe 53 on the front of the first and second partition walls 35 and 36, and by arranging condensation piping 54 on the inner surface of an outer box separated from the opening peripheral end part of the heat-insulation box 31 by a specific distance L68, the dew formation of the opening peripheral end of the first and second partition walls 35 and 36, the refrigeration chamber 37, the vegetable chamber 38, and the refrigeration chamber 39 is prevented rationally with simple and inexpensive piping configuration, and at the same time amount of invasion quantity of heat is reduced and cooling efficiency is improved.
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