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发明授权
US07080854B2 Pyrotechnic linear inflator 失效
烟火线性充气机

Pyrotechnic linear inflator
摘要：
An inflator (10) for use in an inflatable vehicle occupant protection system. In one aspect of the invention, the inflator (10) includes a longitudinal enclosure (22) having a substantially uniform cross-sectional area along at least a portion of the enclosure, and a gas generant composition (24) positioned along the portion of the enclosure (22). The gas generant composition (24) is distributed substantially uniformly along the portion of the enclosure (22). A plurality of gas exit apertures (40) is formed along the portion of the enclosure (22) to enable fluid communication between the enclosure (22) and an exterior of the enclosure. The apertures (40) are spaced apart a distance proportional to a desired rate of propagation of a combustion reaction of gas generant positioned between the apertures (40). In another aspect of the invention, the inflator (10) includes a longitudinal enclosure (22) having a substantially uniform cross-sectional area along at least a portion of the enclosure, and a gas generant composition (24) positioned along the portion of the enclosure (22). The gas generant composition (24) is distributed substantially uniformly along the portion of the enclosure (22). A plurality of gas exit apertures (40) is formed along the portion of the enclosure (22) to enable fluid communication between the enclosure (22) and an exterior of the enclosure. The total number of apertures (40) along the enclosure (22) is inversely proportional to a desired rate of propagation of a combustion reaction of gas generant positioned between the apertures (40).
摘要（中）：

一种用于充气车辆乘员保护系统的充气机（10）。 在本发明的一个方面，充气机（10）包括纵向外壳（22），沿着外壳的至少一部分具有基本均匀的横截面面积，以及气体发生剂组合物（24），其沿着 外壳（22）。 气体发生剂组合物（24）沿壳体（22）的部分基本上均匀分布。 沿着外壳（22）的部分形成多个气体出口孔（40），以使外壳（22）和外壳外部之间能够流体连通。 所述孔（40）间隔开与所述孔（40）之间的气体发生剂的燃烧反应的期望传播速率成比例的距离。 在本发明的另一方面，充气机（10）包括沿壳体的至少一部分具有基本上均匀的横截面面积的纵向外壳（22），以及气体发生剂组合物（24），其沿着 外壳（22）。 气体发生剂组合物（24）沿壳体（22）的部分基本上均匀分布。 沿着外壳（22）的部分形成多个气体出口孔（40），以使外壳（22）和外壳外部之间能够流体连通。 沿着外壳（22）的孔（40）的总数与位于孔（40）之间的气体发生剂的燃烧反应的期望传播速率成反比。

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