Heat storage material
AssigneeMitsubishi Denki Kabushiki Kaisha
InventorHiroshi Kimura
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Abstract
A heat storage material which comprises CaCl.sub.2.6H.sub.2 O, as a main component, containing at least one anhydride selected from the group consisting of an anhydrous bromide and an anhydrous nitrate.
Claims12
A heat storage material which comprises CaCl.sub.2.6H.sub.2 O, as a main component, an amount effective to decrease the melting point thereof of at least one anhydrous component selected from the group consisting of NH.sub.4 Br and KNO.sub.3 and mixtures thereof with at least one of KBr and NH.sub.4 NO.sub.3, and up to an amount not exceeding the saturation point of the anhydrous NH.sub.4 Br or KNO.sub.3 in the liquefied heat storage material at 30.degree. C. and not exceeding a concentration of 10 percent by weight, and 0 to 10% of at least one hydrate selected from the group consisting of a hydrate of a chloride other than of calcium, a bromide and a nitrate.
A heat storage material which comprises CaCl.sub.2.6H.sub.2 O, as a main component, containing (a) an anhydrous bromide, (b) an anhydrous nitrate and (c) at least one hydrate selected from the group consisting of a hydrate of a chloride of other than calcium, a bromide and a nitrate, the total of (a) and (b) being an amount effective to decrease the melting point of CaCl.sub.2.6H.sub.2 O and up to an amount not exceeding the saturation point of the same in the liquefied heat storage material at 30.degree. C. and not exceeding a concentration of up to 10% by weight, and the amount (c) being effective to diminish supercooling but not more than 10% by weight of the composition.
Dependencies are inferred from the claim text.