Patent ID: 6152212
Filing Date: 2000-11-28
Classification: C09K,F28D,Y02E,Y10S

Abstract:
A heat storage system, comprising: a heat storage material containing a salt hydrate, the heat storage material comprising (A) a seed crystal part in which the seed crystal is maintained, (B) a switch part for controlling heating, or heating and cooling by the heat storage system and (C) a main body part for storing and releasing heat; and a heater for controlling the switch part; wherein the seed crystal part is always maintained at a temperature not higher than the melting point of the seed crystal, crystal propagation from the seed crystal part to the main body part, which is in a supercooled condition, is conducted by heating the switch part above, or conducted by cooling the switch part below, the melting point of the material of the switch part, and the salt hydrate heat storage material is connected in a continuous order of the seed crystal part, the switch part and the main body part.