发明名称 |
Barometric draft regulator |
摘要 |
An improved automatic draft regulator having significantly fewer parts than previous such devices, and comprising a frame adapted to fit into the flue pipe of a furnace, a gate pivotally mounted in the frame, and adjustable weight means pivotally connected to the gate and extending through it.
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申请公布号 |
US3941067(A) |
申请公布日期 |
1976.03.02 |
申请号 |
US19740515342 |
申请日期 |
1974.10.16 |
申请人 |
SELKIRK METALBESTOS |
发明人 |
NICOLAS, NABIL Y.;SCHMELZLE, CHRISTIAN G. |
分类号 |
F23L13/02;(IPC1-7):F23L13/00;F23N3/00 |
主分类号 |
F23L13/02 |
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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