HoCu-based cold-storage material, and cold-storage device and refrigerating machine each equipped therewith
US11370949B2 · kind B2 · utility
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6References
8Claims
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Key dates
| Filing date | Apr 27, 2018 |
| Grant date | Jun 28, 2022 |
| Priority date | — |
| Expiry date | Jan 17, 2039 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25B2309/003
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This invention provides a regenerator material having a high specific heat, particularly in the temperature range of 10 to 25K, and a regenerator and a refrigerator comprising the regenerator material. The present invention specifically provides an HoCu-based regenerator material represented by general formula (1): HoCu2-xMx (1), wherein x is 0<x≤1, and M is at least one member selected from the group consisting of Al and transition metal elements (excluding Cu), as well as a regenerator and a refrigerator comprising the regenerator material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.