| 摘要 |
PROBLEM TO BE SOLVED: To rapidly store powder of a hydrogen occlusion alloy in a reaction vessel, in a refrigerating system using a hydrogen occlusion alloy. SOLUTION: In reaction vessels 1 and 2, a medium flow pipe 5 to flow a heating medium and a cooling medium and a heat-exchange medium, such as cooling water, is disposed in a body part 3 and a number of heat-exchange fins 4 and 4 are formed in the medium flow pipe 5. A notch part S is coaxially formed in the all heat-exchange fin 4. Since powder of a hydrogen occlusion alloy charged in the main body part 3 can easily move through a notch part S, as a passage route, to the terminal of the body part 3, a time for filling a given amount of powder is further shortened than that in a conventional type. A time required for taking out a filled alloy powder from the body part 3 of the vessel is also shortened.
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