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    • 1. 发明授权
    • Displacement responsive air bag vent
    • 排量响应式气囊排气口
    • US5280953A
    • 1994-01-25
    • US987965
    • 1992-11-25
    • Michael J. WolaninLaura C. StevensonDavid E. PettigroveJack L. JensenJohn W. MelvinLaura A. HawthornHubert P. Blom
    • Michael J. WolaninLaura C. StevensonDavid E. PettigroveJack L. JensenJohn W. MelvinLaura A. HawthornHubert P. Blom
    • B60R21/16B60R21/233B60R21/239B60R21/30
    • B60R21/239B60R21/233
    • An occupant restraint air bag assembly includes an air bag having a base wall portion communicating with an inflator and a face wall for contacting the occupant upon inflation of the bag. A vent opening is provided in the base wall portion of the air bag for venting a portion of the inflation gas from the air bag to the occupant compartment. A valve flap carried by the air bag is operable to a position closing the vent opening to contain the inflation gas within the air bag. A tether has a first end connected to the valve flap and a second end attached to the face wall so that the inflation of the air bag and consequent displacement of the face wall pulls the tether to close the valve flap. The vent opening is preferably a plurality of spaced apart openings and the tether progressively moves the valve flap across the openings to progressively close the vent opening in response to the progressive travel of the face wall toward the occupant. If desired, one or more additional vent openings with flap valves may be provided and operated by tethers of different operative lengths to provide selected and variable control over the venting of inflation gas from the air bag in response to displacement of the bag.
    • 乘员约束气囊组件包括具有与充气器连通的底壁部分的气囊和用于在袋充气时使乘客接触的面壁。 在气囊的底壁部分设有排气口,用于将一部分膨胀气体从气囊排出到乘员舱。 由气囊承载的阀瓣可操作到关闭通气口的位置,以将充气气体容纳在气囊内。 系绳具有连接到阀瓣的第一端和附接到面壁的第二端,使得气囊的膨胀以及随后的面壁的位移拉动系绳以关闭瓣膜。 排气口优选地是多个间隔开的开口,并且系绳响应于面壁向乘员的逐渐行进而逐渐地将阀瓣横过开口移动以逐渐关闭通气口。 如果需要,可以通过不同的操作长度的系绳来提供具有瓣阀的一个或多个另外的通气孔,以响应于袋的移位而对来自气囊的充气气体的排气进行选择和可变的控制。
    • 2. 发明授权
    • Multi-chamber air bag with displacement responsive valve
    • 具有位移响应阀的多室气囊
    • US5282646A
    • 1994-02-01
    • US19182
    • 1993-02-16
    • John W. MelvinJack L. Jensen
    • John W. MelvinJack L. Jensen
    • B60R21/16B60R21/233B60R21/239B60R21/24
    • B60R21/233B60R21/2338B60R2021/23324B60R2021/23382B60R21/239
    • An occupant restraint air bag assembly includes an air bag having a base wall portion communicating with an inflator and an occupant contacting face wall for contact with the occupant upon inflation of the bag. The air bag also has an internal dividing wall which divides the air bag into a first chamber communicating directly with the inflator and a second chamber defined between the dividing wall and the occupant contacting face wall. A first opening in the dividing wall between the chambers communicate inflation gas from the first chamber to the second chamber to inflate the second chamber. A second opening in the dividing wall is normally closed by a vent flap which is operably connected to the occupant contacting face wall so that the inflation of the second chamber and resultant travel of the face wall toward the occupant and away from the dividing wall will move the valve flap to an open position by which the inflation gas is communicated into the second chamber through both the first opening and the second opening during the further inflation of the bag.
    • 乘员约束气囊组件包括具有与充气机连通的底壁部分的空气袋和用于在袋子充气时与乘员接触的乘员接触面壁。 气囊还具有内分隔壁,其将气囊分成与充气机直接连通的第一室和限定在分隔壁与乘员接触面壁之间的第二室。 在室之间的分隔壁中的第一开口将膨胀气体从第一室连通到第二室,以使第二室膨胀。 分隔壁中的第二个开口通常由通气口闭合,该排气口可操作地连接到乘员接触面壁,使得第二室的膨胀和面壁朝向乘员并远离分隔壁的行进将移动 所述阀瓣处于打开位置,在所述袋的进一步充气期间,所述充气气体通过所述第一开口和所述第二开口连通到所述第二室。