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    • 6. 发明申请
    • Head-protecting airbag
    • 头部保护安全气囊
    • US20090236833A1
    • 2009-09-24
    • US12382581
    • 2009-03-19
    • Motoyuki TANAKAYoshio Mizuno
    • Motoyuki TANAKAYoshio Mizuno
    • B60R21/16
    • B60R21/232B60R2021/23316
    • A head-protecting airbag is deployable downward from an upper periphery of a window of vehicle to cover the window. The airbag includes a primary inflatable portion that includes a protection portion for receiving an occupant's head and a secondary inflatable portion that admits inflation gas of the primary inflatable portion and is inflatable secondarily for preventing a pressure increase of the primary inflatable portion. The primary inflatable portion and the secondary inflatable portion are, communicated with a tubular conduit that is arranged along the lower periphery of the airbag. The protection portion includes an inlet-side inflatable portion communicated with the conduit and an upper inflatable portion located above the conduit. The conduit includes a main region located facing the outlet port and an enlarged-diameter region that is located facing the inlet port and has a greater opening dimension than the main region.
    • 头部保护气囊从车窗的上部周边向下展开以覆盖窗户。 该安全气囊包括主充气部分,其包括用于容纳乘客头部的保护部分和允许主充气部分的充气气体并可再次充气以便防止主充气部分的压力增加的次充气部分。 主充气部分和次充气部分与沿着气囊的下周边布置的管状导管连通。 保护部分包括与导管连通的入口侧可充气部分和位于导管上方的上部可充气部分。 导管包括面向出口定位的主区域和位于面向入口并且具有比主区域更大的开口尺寸的扩径区域。