发明名称 |
RARE-EARTH COLD STORAGE MATERIAL PARTICLE, RARE-EARTH COLD STORAGE MATERIAL PARTICLES, REFRIGERATOR UTILIZING SAME, MEASURING DEVICE, AND METHOD FOR PRODUCING SAME |
摘要 |
Provided is a group of rare-earth regenerator material particles having an average particle size of 0.01 to 3 mm, wherein the proportion of particles having a ratio of a long diameter to a short diameter of 2 or less is 90% or more by number, and the proportion of particles having a depressed portion having a length of 1/10 to 1/2 of a circumferential length on a particle surface is 30% or more by number. By forming the depressed portion on the surface of the regenerator material particles, it is possible to increase permeability of an operating medium gas and a contact surface area with the operating medium gas. |
申请公布号 |
EP2472201(A4) |
申请公布日期 |
2015.10.21 |
申请号 |
EP20100811807 |
申请日期 |
2010.08.23 |
申请人 |
KABUSHIKI KAISHA TOSHIBA;TOSHIBA MATERIALS CO., LTD. |
发明人 |
YAMADA, KATSUHIKO;FUSE, KEIICHI |
分类号 |
F25B9/14;B22F9/10;C09K5/08;C09K5/14 |
主分类号 |
F25B9/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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