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1. 发明公开

EP2660569A1 Fuel level sensor and method 有权转让
标题翻译： Treibstofffüllstandsensor和Verfahren
公开(公告)号：EP2660569A1
公开(公告)日：2013-11-06
申请号：EP13163943.7
申请日：2013-04-16
申请人： Nissan Motor Manufacturing (UK) Ltd.
发明人： Kavanagh, Robert
IPC分类号： G01F23/32 , C09D5/00 , C09D191/06 , C09D193/02 , G01F23/34 , G01F23/36
CPC分类号： G01F23/32 , C09D5/008 , G01F23/34 , G01F23/36
摘要： A fuel level sensor comprises a variable resistor assembly including a resistor card 13' with at least one resistive area 15, 16; and a wiper (10, Fig. 2 ) for sliding movement across the resistive area(s). To protect said sensor from damage during transportation within a fuel tank assembly, the at least one resistive area 15, 16 is covered by a temporary barrier layer 19 of material to prevent fretting between the contacts on the wiper 10 and the at least one resistive area. Barrier layer 19 is formed of a material, such as petroleum jelly or shellac resin, which is dissolvable in the fuel. The thickness of barrier layer 19 is sufficient to eliminate fretting during transportation, but thin enough to dissolve in fuel, which may be petrol or diesel, on a first filling of the tank.
摘要翻译：燃料液位传感器包括可变电阻器组件，其包括具有至少一个电阻区域15,16的电阻器卡13' 以及用于在电阻区域上滑动移动的刮水器（10，图2）。为了保护所述传感器免于在燃料箱组件内运输期间的损坏，至少一个电阻区域15,16被材料的临时阻挡层19覆盖，以防止擦拭器10上的触点与至少一个电阻区域。阻挡层19由可溶于燃料的材料制成，例如凡士林或虫胶树脂。阻挡层19的厚度足以消除运输过程中的微动，但足以在罐的第一次填充时溶解在可能是汽油或柴油的燃料中。

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