发明名称 Liquid level detection device
摘要 A liquid level detecting apparatus having detachable terminals and capable of holding down the formation of silver sulfide is provided. The apparatus includes a movable contact displaced in accordance with the fluctuation of a liquid level, electrodes slidingly contacted by the movable contact on a circuit board, a first resistance connected to the electrodes, and connecting portions which the terminals contact, a resistance value of the first resistance which varies when the movable contact is slidingly moved on the electrodes being outputted from the terminals via the connecting portions, wherein the sections of the connecting portions which contact at least the terminals are covered with second resistances.
申请公布号 US7111510(B2) 申请公布日期 2006.09.26
申请号 US20050533900 申请日期 2005.05.05
申请人 NIPPON SEIKI CO., LTD. 发明人 TADOA NAKAGAWA;TETSUYA SATO
分类号 G01F23/24;G01F23/36 主分类号 G01F23/24
代理机构 代理人
主权项
地址