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2. 发明申请

WO1996041136A1 LIQUID LEVEL GAUGE ASSEMBLY INCLUDING POTENTIOMETER WITH CONDUCTIVE POLYMERIC ELEMENT 审中-公开
标题翻译：液位计组件，其中包括具有导电聚合物元件的电位计
公开(公告)号：WO1996041136A1
公开(公告)日：1996-12-19
申请号：PCT/US1995011206
申请日：1995-09-01
申请人： ROCHESTER GAUGES, INC.
发明人： ROCHESTER GAUGES, INC. , ROSS, Herbert, G., Jr. , TAYLOR, Carl, A.
IPC分类号： G01F23/60
CPC分类号： H01C10/14 , G01F23/36 , G01F23/68
摘要： A liquid level gauge assembly utilizing one or more polymeric resistive elements is provided which measures the liquid level in a tank using a three-terminal voltage divider network or a two-terminal voltage or current network. The resistive elements being in slidable contact with a conductor mounted on a float such that the voltage across, or current through the resistive elements vary with the position of the conductor along the resistive elements. An elongate member (406) having external longitudinal grooves (414, 416, 418, 420) formed therein extends into the fluid in the tank. The polymeric resistive elements are in the form of electrically conductive strips (422, 424) and are positioned within grooves (416, 420) in the elongate member. The float (426) is provided with an opening for receiving the elongate member and electrical contacts (428, 430) supported thereon for making sliding contact with the conductive strips. The contacts of the float are electrically connected together to form the float conductor. Guide projections (426A, 426B) are provided on the float for engaging grooves (414, 418) of the elongate member.
摘要翻译：提供了使用一个或多个聚合物电阻元件的液位计组件，其使用三端分压器网络或两端电压或电流网络测量罐中的液位。电阻元件与安装在浮子上的导体滑动接触，使得跨过电阻元件的电流或通过电阻元件的电流随着导体沿着电阻元件的位置而变化。具有形成在其中的外部纵向槽（414,416,418,420）的细长构件（406）延伸到罐中的流体中。聚合物电阻元件是导电条（422,424）的形式，并且位于细长元件中的凹槽（416,420）内。浮子（426）设置有用于接收细长构件的开口和支撑在其上的电触点（428,430），用于与导电条滑动接触。浮子的触点电连接在一起形成浮子导体。引导突起（426A，426B）设置在浮子上，用于接合细长构件的凹槽（414,418）。

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