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    • 4. 发明授权
    • Arrangement and method for checking the tightness of a vessel
    • 用于检查船舶紧密度的布置和方法
    • US5898103A
    • 1999-04-27
    • US877799
    • 1997-06-18
    • Helmut DenzAndreas BlumenstoohGeorge MallebreinUwe Konzelmann
    • Helmut DenzAndreas BlumenstoohGeorge MallebreinUwe Konzelmann
    • G01M3/26F02M25/08G01M3/04
    • F02M25/0818
    • The invention is directed to an arrangement for checking the tightness of a vessel such as a tank system of a motor vehicle. The vessel can have a possible leak and this can be viewed as a first flow resistor. The arrangement includes a pressure source for generating a pressure change in the vessel and a pressure divider system is connected between the pressure source and the vessel which is subjected to the pressure change. The pressure divider system is defined by and includes the first flow resistor and a reference branch having a predetermined second flow resistor. A pressure sensor measures the pressure relationships in the pressure divider system. The invention provides a reliable statement as to a possible leak in the tank system of a motor vehicle while providing a simple and therefore cost effective manufacture. The pressure source used to check the tightness can be utilized for other tasks required in a motor vehicle. The invention also relates to a method for checking the tightness of the vessel.
    • 本发明涉及一种用于检查诸如机动车辆的罐系统的容器的紧密度的装置。 容器可能有可能的泄漏,这可以被看作是第一流量电阻器。 该装置包括用于在容器中产生压力变化的压力源,并且压力分配器系统连接在压力源和经受压力变化的容器之间。 压力分配器系统由第一流量电阻器和具有预定的第二流量电阻器的参考支路限定并包括。 压力传感器测量压力分配器系统中的压力关系。 本发明提供了关于机动车辆的罐系统中可能的泄漏的可靠陈述,同时提供简单且因此成本有效的制造。 用于检查紧密度的压力源可用于机动车辆中所需的其他任务。 本发明还涉及一种用于检查容器密封性的方法。