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    • 15. 发明专利
    • Water heater
    • JP4971682B2
    • 2012-07-11
    • JP2006134699
    • 2006-05-15
    • 三洋電機株式会社
    • 正信 斉藤
    • F24H9/00F16L59/08F24H1/18
    • PROBLEM TO BE SOLVED: To provide a hot water storage tank of a water heater capable of improving heat-retaining/heat insulating effect without increasing a thickness of an expandable molding heat-insulating material. SOLUTION: This water heater comprises a hot water storage tank 12 to which a plurality of pipes 13, 18, 23 are connected and which stores hot water heated by a heating device 4, and an outer hull of the hot water storage tank is coated with the expandable molding heat insulating materials 32, 33 to obtain a heat-retaining/heat insulating constitution. Reflecting films 36, 37 for reflecting the heat from the hot water storage tank 12 to a hot water storage tank 12 side are formed on inner surfaces of the expandable molding heat insulating materials 32, 33 at the hot water storage 12 side. A gap X for forming an air layer is formed between the reflecting films 36, 37 and an outer surface of the hot water storage tank 12. COPYRIGHT: (C)2008,JPO&INPIT