| 摘要 |
PROBLEM TO BE SOLVED: To provide a magnetic refrigerating device with rotation type permanent magnets, capable of strengthening a magnetic field in the vicinity of a magnetic circuit, and arranging a magnetic field distribution by using a pair of permanent magnetic circuits having circular Halbach array fitted to a common rotary shaft, and constituting a part fixing the pair of permanent magnets of a cover body of a magnetic metal.SOLUTION: In a magnetic refrigerating device with rotation type permanent magnets, a pair of permanent magnetic circuits having circular Halbach array fitted to a common rotary shaft is used, a cover plate 5 is arranged in a part fixing the pair of permanent magnets, and the cover plate 5 comprises a magnetic metal. |
