| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a hot water supply machine having a heat insulation material structure, facilitating assembly and simplifying maintenance. <P>SOLUTION: This hot water supply machine includes: a substantially cylindrical hot water storage tank 7 storing hot water heated by a heating means 2; a facing case 1 shaped substantially like a square-tube and enveloping the hot water storage tank 7; and a heat insulating material provided in a space between the hot water storage tank 7 and the facing case 1 for performing warmth keeping and heat insulation for the hot water storage tank 7, wherein the heat insulating material is formed of a foam heat insulating material 26 and a vacuum heat insulating material 29, the foam heat insulating material 26 is provided with a recessed part 27 in a portion to which the side of the hot water storage tank 7 and the side of the facing case 1 are close, a pair of grooves 28 are provided on the right and left of the recessed part 27, and the plate-like vacuum insulating material 29 is slid in the vertical direction and fitted to the grooves 28. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
