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发明授权
US06990862B2 Hermetic fuel level sender having tank bottom referencing 有权
具有油箱底部参考的气密燃料液位传感器

Hermetic fuel level sender having tank bottom referencing
摘要：
A fuel level sender (26) for signaling liquid fuel level in a fuel tank (22). An enclosure (31) forming a hub of the sender provides an interior that is hermetically sealed against intrusion of fuel vapor and liquid. An actuator (110, 122) is positionable on the enclosure exterior in correlation with liquid fuel level. A movement (52) within the enclosure interior follows the positioning of the actuator. An electric circuit element (62; 86) within the enclosure interior is operated by the movement to provide an electric characteristic for transmission through the enclosure to signal liquid fuel level. A bottom reference rod (150) and stop (152) position the enclosure circumferentially within its mounting in a fuel pump module to cause the circuit element to signal zero fuel level when the stop is on the tank bottom wall and the actuator is in position corresponding to zero fuel level in the tank.
摘要（中）：

用于在燃料箱（22）中用于指示液体燃料液位的燃料液位传感器（26）。 形成发送器的轮毂的外壳（31）提供密封的内部，以防止燃料蒸汽和液体的侵入。 致动器（110,122）可以与液体燃料水平相关联地定位在外壳上。 外壳内部的运动（52）跟随致动器的定位。 外壳内部的电路元件（62; 86）由运动操作，以提供电气特性，用于通过外壳传输信号，以发出液体燃料水平。 底部参考杆（150）和止动件（152）将外壳周向定位在其安装在燃料泵模块中以使得当止动件在罐底壁上时电路元件发出零燃料水平，并且致动器处于对应位置 使油箱内的油位零。

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