| 发明名称 |
HEAT PUMP TYPE HOT WATER SUPPLY DEVICE |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To securely operate a heat pump type heat collector to re-boil even if temperature of the hot water inside of a hot water reservoir is lowered by natural heat radiation when a hot water supply device is not used for a long time. <P>SOLUTION: When this heat pump type hot water supply device is not used for a long time and temperature of the hot water inside of the hot water reservoir 9 is lowered by natural heat radiation, an auxiliary evaporator 12 connected to a circulation piping 11 catches the heat of the hot water inside of the circulation piping 11 with an evaporator 7, and temperature of the hot water inside of the circulation piping 11 is lowered to normally operate the heat pump type heat collector 8 to re-boil the hot water inside of the hot water reservoir 9. <P>COPYRIGHT: (C)2003,JPO |
| 申请公布号 |
JP2003185252(A) |
申请公布日期 |
2003.07.03 |
| 申请号 |
JP20010381513 |
申请日期 |
2001.12.14 |
| 申请人 |
TOSHIBA ELECTRIC APPLIANCE CO LTD |
发明人 |
IRISAWA KAZUYOSHI;ARAI KEITARO;KATAYAMA KAORU;YAJIMA HATSUO;MACHIDA EIICHI |
| 分类号 |
F24H1/00;F24D3/18;F25B30/02 |
主分类号 |
F24H1/00 |
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