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    • 7. 发明申请
    • Apparatus and method for airbag inflation gas distribution
    • 气囊膨胀气体分布的装置和方法
    • US20020195804A1
    • 2002-12-26
    • US09892388
    • 2001-06-26
    • Travis B. HessKurt E. Kottke
    • B60R021/22B60R021/16
    • B60R21/2346B60R21/232B60R2021/23316B60R2021/23514B60R2021/23519B60R2021/2359
    • ABSTRACT OF THE INVENTION The present invention provides a system and method for distributing inflation gases within an airbag cushion. Such a cushion may have one or more protection zones configured to inflate to protect vehicle occupants. An inflation channel maybe enclosed by one or more of the protection zones, and may be attached to a mounting surface within a protection zone. The inflation channel may be connected to an inflator, and may have a plurality of holes along its length, sized or spaced apart in a manner selected to provide a comparatively even flow rate of inflation gas to all parts of the cushion during inflation. Additionally, the inflation channel may have a gas outlet extension along which the holes are disposed; the gas outlet extension may have a tapered shape configured to collapse under external pressure to prevent backflow of inflation gases into the inflation channel. The inflation channel may be easily manufactured in a number of ways, including extrusion of a polymeric workpiece with a slit along its length. The slit may be intermittently closed to form the gas outlet extension with the holes, without the need for punching or drilling.
    • 发明内容本发明提供一种用于在气囊垫内分配充气气体的系统和方法。 这样的缓冲垫可以具有一个或多个保护区,其被配置为膨胀以保护车辆乘客。 充气通道可以由一个或多个保护区包围,并且可以附接到保护区内的安装表面。 充气通道可以连接到充气机,并且可以具有沿其长度的多个孔,其大小或间隔开的方式被选择以在充气期间向缓冲器的所有部分提供相对均匀的充气气体流量。 此外,充气通道可以具有气体出口延伸部,孔布置在该气体出口延伸部上; 气体出口延伸部可以具有锥形形状,其被配置为在外部压力下塌缩以防止充气气体回流到充气通道中。 膨胀通道可以以许多方式容易地制造,包括沿着其长度挤出具有狭缝的聚合物工件。 狭缝可以间歇地关闭以形成具有孔的气体出口延伸部,而不需要冲压或钻孔。
    • 8. 发明申请
    • Air bag diffusion device
    • 气囊扩散装置
    • US20020033590A1
    • 2002-03-21
    • US09920063
    • 2001-07-31
    • Rick Adkisson
    • B60R021/20
    • B60R21/2346B60R21/18B60R21/2342B60R2021/23316B60R2021/2359
    • An airbag that is preferably deployed over and/or around a top surface of a seatbelt has a deployment mechanism that includes a fabric screen, flap or bladder which may be located over one or more high pressure gas diffusion heads. The fabric screen, flap or bladder includes one or more openings that allow pressurized gas to pass therethrough and fill an airbag during deployment. Advantageously, the fabric screen, flap or bladder does not interfere with the deployment of the airbag and also may be used to alter the deployment characteristics of the airbag. A further feature and advantage of the fabric screen, flap or bladder which is preferably located over one or more diffusion heads in accordance with the present invention is that the fabric screen, flap or bladder aids in the diffusion of the pressurized gas into the airbag chamber or chambers thereby allowing the pressurized gas to rapidly fill the airbag but also eliminating any potential for damage to the airbag material from the rapidly expanding pressurized gas.
    • 优选地展开在安全带顶表面上和/或周围的安全气囊具有展开机构,该展开机构包括可位于一个或多个高压气体扩散头之上的织物筛网,翼片或囊袋。 织物筛网,皮瓣或囊袋包括一个或多个允许加压气体通过并且在展开期间填充气囊的开口。 有利地,织物筛网,翼片或囊袋不会干扰安全气囊的展开,并且还可用于改变气囊的展开特征。 根据本发明优选位于一个或多个扩散头上方的织物筛网,瓣或囊的另一特征和优点是织物筛网,翼片或囊状物有助于将加压气体扩散到气囊室 或室,从而允许加压气体快速填充气囊,而且消除了来自快速膨胀的加压气体对气囊材料的任何损坏的可能性。