Hot water producer used for mobile residence |
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| 申请号 | JP6465280 | 申请日 | 1980-05-15 | 公开(公告)号 | JPS55158440A | 公开(公告)日 | 1980-12-09 |
| 申请人 | Siegas Metallwarenfab; | 发明人 | SUBEN TORUSUTEN SUTORUKU; | ||||
| 摘要 | A water heater for mobile installations such as caravans comprises a coil of pipe 3 mounted in a sealed container 1 filled with a frost- resistant heat carrier 2 which is constantly kept at a predetermined temperature by heating elements 12, 13. A hot water tap 8 controlling the outlet from the coil 3 is electrically connected to a feed pump 6 immersed in a water reservoir 15 so that when the tap is turned on water is fed through and heated by the pre-heated coil 3. When the tap 8 is turned off, the pump 6 is switched off first so that air enters the coil 3 and allows the water to drain back into the reservoir 15. | ||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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