发明名称 LIQUID LEVEL WARNING DEVICE
摘要 A liquid level warning device with a separate audible alarm is disposed in a liquid tank for indicating the amount of liquid in the tank. The device also includes a plurality of float switches disposed at pre-selected levels within the tank and a plurality of LED's for indicating the level of liquid in the tank. A separate audible alarm independent of the visual indicators sounds an alarm when the tank is at a pre-selected level. A float switch is also disclosed.
申请公布号 US2009303060(A1) 申请公布日期 2009.12.10
申请号 US20080133437 申请日期 2008.06.05
申请人 ALMOUMEN ABDULMOHSEN AHMED 发明人 ALMOUMEN ABDULMOHSEN AHMED
分类号 G08B21/00;H01H35/00 主分类号 G08B21/00
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