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    • 4. 发明申请
    • CLOSURE SYSTEM ON A FUEL TANK
    • 燃油舱封闭系统
    • US20140138385A1
    • 2014-05-22
    • US14126949
    • 2012-06-12
    • Hartmut Wolf
    • Hartmut Wolf
    • B65D90/54
    • B65D90/54B60K15/03B60K15/0406B60K2015/03322B60K2015/03447F16J15/022F16J15/025
    • The invention relates to a closure system on a fuel tank (1) comprising an opening (2) in the wall of the fuel tank (1) and a closure cover (6) which covers the opening (2) and clamps at least one elastomer seal (5) between itself and a border of the tank wall enclosing the opening (2), the elastomer seal (5) being formed as a multilobed sealing cord or multilobed sealing ring surrounding the opening (2), in such a way that it forms a number of sealing lips (11) that are spaced apart from one another, at least two spaced-apart sealing lips (11) of the elastomer seal (5) consisting of different materials, one of which is impermeable to hydro carbons and a second is impermeable to alcohol-containing media or alcohol-containing additives.
    • 本发明涉及一种在燃料箱(1)上的封闭系统,其包括在燃料箱(1)的壁中的开口(2)和覆盖开口(2)的封闭盖(6),并夹紧至少一种弹性体 密封件(5)在其与包围开口(2)的罐壁的边界之间,弹性体密封件(5)形成为围绕开口(2)的多叶密封帘线或多叶密封环,使得其 形成彼此间隔开的多个密封唇缘(11),弹性体密封件(5)的至少两个间隔开的密封唇缘(11)由不同的材料组成,其中一个不可渗透到碳氢化合物和 第二种是含醇介质或含醇添加剂是不渗透的。