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    • 3. 发明授权
    • Ventilation arrangement for a fuel tank
    • 燃油箱通风布置
    • US08789557B2
    • 2014-07-29
    • US13224385
    • 2011-09-02
    • Gerhard Müller-RiedererBernd Kipp
    • Gerhard Müller-RiedererBernd Kipp
    • F16K17/19F16K17/196
    • F16K24/04B60K15/03519B60K2015/03296B60K2015/03302F16K31/0655Y10T137/7775Y10T137/7777Y10T137/778Y10T137/7876
    • A ventilation arrangement for the head space of the fuel tank of a vehicle consists of a valve assembly received in a housing (30), which assembly is arranged to produce a maximum pressure, which is not to be exceeded, a minimum pressure below which the pressure must not fall, and a random pressure, for example, for the tank filling process, within the head space. For this purpose a valve which is biased by a spring (25) in the direction towards an atmospheric connector (6) and is characterised by a sealing plate (17), and a valve biased by a spring (19) in the direction towards a connector (5) intended for connection to the head space, and a valve characterised by a sealing head (24) are provided, the latter of which is simultaneously connected to an electromagnetic drive in order to produce the random pressure. As a result of the constructional combination of all three valve functions in the housing (30), the mutually coaxial guidance of the sealing head (24) and of the sealing plate (17), a valve assembly is provided which takes up a small construction volume and is suitable in particular for use under the spatially limited installation conditions of a hybrid vehicle.
    • 用于车辆的燃料箱的顶部空间的通风装置包括容纳在壳体(30)中的阀组件,该组件布置成产生不超过最大压力的最小压力,在该最小压力下, 压力不得下降,并且在头部空间内存在例如用于罐填充过程的随机压力。 为此,在朝向大气连接器(6)的方向上由弹簧(25)偏压的阀门的特征在于密封板(17),以及由弹簧(19)沿朝向 连接器(5),用于连接到顶部空间,并且提供了一种特征在于密封头(24)的阀门,其中后者同时连接到电磁驱动器以产生随机压力。 由于壳体(30)中所有三个阀功能的结构组合,密封头(24)和密封板(17)的相互同轴的引导,提供了一种占用小的结构的阀组件 并且特别适合在混合动力车辆的空间有限的安装条件下使用。