| 摘要 |
PURPOSE: A vacuum insulation hot water tank is provided to maximize the efficiency reducing the heat loss of hot water by efficiently reducing the rate in which the heat of the hot water in the inside is discharged to the outside through a cover. CONSTITUTION: A vacuum insulation hot water tank comprises an inner container (20), an outer container (30), and a cover (40). The inner container includes a cross section reducing section formed in order for a cross-sectional area to become smaller towards an opening part. The outer container is arranged on the circumference of the inner container in order for a vacuum layer (10b) to be formed between the inner container and the outer container. The opening part is formed at the end of the cross section reducing section. The size of the cover is formed to be correspondent to the size of the opening part. |
