| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat storage tank, having a structure where water is hardly held in a welded part between an inner tank and an outer tank. SOLUTION: In this heat storage tank 1, (1) the welded part 15 between the inner tank 11 and the outer tank 12 is opened outward in the radial direction of a tank body opening part 13 not to be surrounded by a housing 20, and a gap 3 in the axial direction of the tank body opening part 13 is provided between the welded part 15 and a part 28. (2) An elastic member 29 is provided between the peripheral part 18 of a pipe inserting hole 17 of a streamline member 16 and a collar part 26. COPYRIGHT: (C)2005,JPO&NCIPI
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