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    • 2. 发明申请
    • FUEL FILTER WITH FILTER RECOGNITION
    • 燃油过滤器和过滤检测
    • WO2009000247A3
    • 2009-03-26
    • PCT/DE2008001017
    • 2008-06-25
    • HENGST GMBH & CO KG FAMENDEL FRANKPRINZ NORBERT
    • MENDEL FRANKPRINZ NORBERT
    • B01D35/143B01D36/00
    • B01D35/143B01D36/005B01D2201/4046
    • The invention relates to a fuel filter comprising a housing, an interchangeable filter cartridge that is located in the housing, a water collection chamber and a water level sensor. Said water level sensor has two electric conductors, which can be electrically interconnected by means of water if there is a correspondingly high water level. The filter is provided with a switching element that can move between a contact position and an interruption position, said switching element making contact with the two conductors in the contact position and the contact between the switching element and at least one of the two conductors is interrupted when the switching element is in the interruption position. The electric resistance that occurs between the two conductors has a first value, when the switching element is in the first contact position and a second value that differs from the first, if the switching element is in the interruption position.
    • 本发明涉及一种以燃料过滤器具有壳体,一个可更换的布置在壳体Filtereinsatz.einem集水空间,和一个水位传感器,所述水位传感器包括两个被电按照高水位通过水彼此连接的电导体,其中 开关元件,其是一个接触位置和一个脱开位置,其中,所述开关元件处于它的接触位置在与所述两个导体接触,并且其中,所述开关元件的接触是通过在两个导体中的至少一个,当所述开关元件处于其断开位置,以及中断之间是可移动 其中所述压力在两个导体电阻之间盛行具有第一值时使开关元件处于其接触位置,以及第二,从所述第一值不同的值,当开关元件处于其UNT erbrechungsstellung位置。