发明名称 |
CALDAIA A GAS..PARTICOLARMENTE PER RISCALDAMENTO CENTRALE |
摘要 |
Gas-burning boilers have in a chamber a plurality of finned heat-exchange tubes arranged around a central gas burner which is substantially of the same length as the finned tubes. An extraction fan draws gases from the chamber such that the chamber works under sub-atmospheric pressure which is preferably 12 mm water column or more below atmospheric. |
申请公布号 |
IT1061804(B) |
申请公布日期 |
1983.04.30 |
申请号 |
IT19760068394 |
申请日期 |
1976.06.08 |
申请人 |
VIDALENQ MAURICE |
发明人 |
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分类号 |
F23N1/02;F23D14/02;F24H1/40;F24H9/18;(IPC1-7):F24H/ |
主分类号 |
F23N1/02 |
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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