发明授权
- 专利标题： Automatic damper means and controls therefor
- 专利标题（中）： 自动减震装置和控制装置
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申请号： US870479申请日： 1978-01-18
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公开(公告)号： US4254759A公开(公告)日： 1981-03-10
- 发明人: Robert H. Schmidt
- 申请人： Robert H. Schmidt
- 专利权人： Schmidt Robert H
- 当前专利权人： Schmidt Robert H
- 主分类号： F23L11/00
- IPC分类号： F23L11/00 ; F23N3/08 ; F23J11/00 ; F23L1/00 ; F23N5/10
摘要：
An automatic damper means and controls, which provide an exceedingly safe automatic damper for the exhaust duct-work of an associated gas furnace or the like, by automatic control of the damper, and automatic control of the gas supply, with redundancy features for providing exceedingly safe operation.