发明授权
- 专利标题： Valve for furnace stack pipe
- 专利标题（中）： 炉膛管道阀
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申请号： US264087申请日： 1981-05-15
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公开(公告)号： US4470401A公开(公告)日： 1984-09-11
- 发明人: John H. Newell
- 申请人： John H. Newell
- 专利权人： Newell John H
- 当前专利权人： Newell John H
- 主分类号： F23L3/00
- IPC分类号： F23L3/00 ; F23L11/02 ; F23L13/02 ; F23L13/06
摘要：
A valve for provided for installation in the auxillary duct of a furnace stack pipe. The valve prevents flow of air through the damper plate in the auxillary duct when the furnace is switched off. The valve is controlled by a temperature responsive bimetallic strip which is impinged upon by flue gases to move the valve to an open position upon the furnace being ignited and producing combustion gases.
公开/授权文献
- US5464301A Rotary latch 公开/授权日：1995-11-07
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