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.
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
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