| 发明名称 |
Method of making a waste flue heat recovery device |
| 摘要 |
A novel and easy method of construction and assembly which enables a tubular coil to be inserted in an open flue pipe so the flue pipe can be joined; water passing through the coil will recover waste flue heat from furnaces and boilers.
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| 申请公布号 |
US4043014(A) |
申请公布日期 |
1977.08.23 |
| 申请号 |
US19750630796 |
申请日期 |
1975.11.11 |
| 申请人 |
WILSON, JOHN C. |
发明人 |
WILSON, JOHN C. |
| 分类号 |
F22D1/02;F28D21/00;(IPC1-7):F22D1/02;B21D53/02 |
主分类号 |
F22D1/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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