HOT WATER SUPPLY DEVICE FOR STORAGE TYPE WATER HEATER

PROBLEM TO BE SOLVED: To minimize heat loss without unnecessarily heating hot water in a bathtub B. SOLUTION: This hot water supply device is provided with an on-off valve 12 for supplying hot water and a circulating system 20 for circulating the hot water in the bathtub B via a pump 21 into a heat...

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Bibliographische Detailangaben
Hauptverfasser:	NARUSE HIRONORI, AKI YOSHITAKA
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL HEATING LIGHTING MECHANICAL ENGINEERING RANGES VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To minimize heat loss without unnecessarily heating hot water in a bathtub B. SOLUTION: This hot water supply device is provided with an on-off valve 12 for supplying hot water and a circulating system 20 for circulating the hot water in the bathtub B via a pump 21 into a heat exchanger 23 in a tank T. The circulating system 20 has a bypass line 20a with a selector valve 22 for selecting the heat exchanger 23 to be used or not. The circulating system 20 can circulate the hot water in the bathtub B via the selector valve 22 and the bypass line 20a without using the heat exchanger 23 during checking the temperature of hot water as required in temperature retaining operation or during operation of preventing the freezing of the line. COPYRIGHT: (C)2004,JPO&NCIPI