| 摘要 |
PURPOSE:To obtain a refrigerator with a small-sized low-temperature heat accumulator 1 having excellent heat transfer characteristics and recuperative characteristics and high thermal efficiency. CONSTITUTION:In a refrigerator with a low-temperature heat accumulator 1 filled with a heat storage material 2, the heat accumulating material 2 is composed of one, two or more selected from a magnetic substance shown in general formula (I), AMz (where A in the formula represents at least one of rare earth elements selected from Y, La, Ce, Pr, Nb, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and M represents at least one of metals selected from Ni, Co and Cu and (z) represents 0.001<=z<=9.0). |
