发明名称 |
Device for reducing undesired energy consumption in a room provided with heating and/or air conditioning means |
摘要 |
Disclosed is a simple apparatus for turning off a heating or air conditioning unit when a door or window is opened. Switches activated by the opening of doors or windows control the operation of a heater or air conditioner through a relay system that doubles as a burglar alarm when an alarm circuit is activated.
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申请公布号 |
US4035796(A) |
申请公布日期 |
1977.07.12 |
申请号 |
US19750601410 |
申请日期 |
1975.08.04 |
申请人 |
HEDLY, SVEN;WINHAMMAR, LARS |
发明人 |
HEDLY, SVEN;WINHAMMAR, LARS |
分类号 |
F24F11/00;F24F11/02;G05D23/19;(IPC1-7):G08B19/00 |
主分类号 |
F24F11/00 |
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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