Reaction material and chemical heat pump
US9243179B2 · kind B2 · utility
1Cited by
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5Claims
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Key dates
| Filing date | Feb 14, 2014 |
| Grant date | Jan 26, 2016 |
| Priority date | — |
| Expiry date | May 23, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/14
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A reaction material for a chemical heat pump includes type III anhydrous gypsum, a magnesium compound, and CaxMg1-xSO4. The reaction material for the chemical heat pump structurally changes between a compound including type III anhydrous gypsum, the magnesium compound, and CaxMg1-xSO4, and a compound including hemihydrate gypsum, a hydrate of the magnesium compound, and a hydrate of CaxMg1-xSO4 when subjected to heat storage process and heat release process. x is 0<x<1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.