| 发明名称 |
Water boiler with metal core |
| 摘要 |
This invention relates to a natural gas fired water boiler having a spirally wrapped finned heat exchanger surrounding a burner. The center of the heat exchanger being plugged by a metal core having a constantly reducing diameter truncated cone top.
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| 申请公布号 |
US5782208(A) |
申请公布日期 |
1998.07.21 |
| 申请号 |
US19960661746 |
申请日期 |
1996.06.11 |
| 申请人 |
GLOWCORE ACQUISITION COMPANY |
发明人 |
LACKSTROM, DAVID;HORROCKS, JOHN |
| 分类号 |
F24H1/43;F28D7/02;F28F21/08;(IPC1-7):F22B23/06;F22B37/10 |
主分类号 |
F24H1/43 |
| 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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