초록 ▼

The present invention relates to a heat storage element having a latent heat storage material sealed in the container under a reduced pressure. This heat storage element permits effective reduction of air in the heat storage element, and therefore, heat is smoothly transferred from outside to the la

The present invention relates to a heat storage element having a latent heat storage material sealed in the container under a reduced pressure. This heat storage element permits effective reduction of air in the heat storage element, and therefore, heat is smoothly transferred from outside to the latent heat storage material through the wall of the container. Accordingly, a heat storage element which has a very high heat storage characteristic is realized. Furthermore, this heat storage element, having almost no air sealed in, has a large heat storage density. When this heat storage element is used in combination with an electric heater element, heat will be uniformly transferred from the electric heater element to the latent heat storage material, involving a very small risk of part of the electric heater element being overheated.

대표청구항 ▼

An electric heater comprising a latent heat storage material a flexible container for housing this heat storage material and said heat storage material closely contacting the inner surface of said container, and an electric heater element arranged in close contact with said container having this hea

An electric heater comprising a latent heat storage material a flexible container for housing this heat storage material and said heat storage material closely contacting the inner surface of said container, and an electric heater element arranged in close contact with said container having this heat storage material hermetically sealed therein, said electric heater being designed to have said heat storage material hermetically sealed in the container under a reduced pressure.