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1. 发明申请

WO2003053751A1 VEHICLE FRONTAL AIRBAG SYSTEM 审中-公开
标题翻译：车辆正面安全气囊系统
公开(公告)号：WO2003053751A1
公开(公告)日：2003-07-03
申请号：PCT/US2002/040688
申请日：2002-12-19
申请人： UNIVERSAL PROPULSION COMPANY, INC. , ALEXANDER, Cherie , HAILSTONE, Steven , CURRY, Paul
发明人： ALEXANDER, Cherie , HAILSTONE, Steven , CURRY, Paul
IPC分类号： B60R21/34
CPC分类号： B60R21/36 , B60R21/2338 , B60R2021/23382
摘要： The present invention comprises an external airbag system for mounting on a vehicle (24) that deploys into the region above the bumper (38) to prevent or mitigate injuries that would have otherwise been caused by a person striking the grill (28) or hood area (26) of the vehicle. The airbag (20) is stored in a housing (40) mounted within the front bumper (38) of the vehicle. The airbag (20) is deployed upwardly through an opening (42) in the upper surface of the bumper (38) into the region between the upper surface of the bumper (38) and the front surface fo the grill (28) and hood (26). The airbag (20) is generally T-shaped and includes a plurality of internal tethers (30,31) extending internally between the opposing inner surfaces (74) at regular intervals to cause the airbag (20) to be tufted. The internal tethers (30, 31) reduce the volume of the airbag (20) for a given frontal area thereby decreasing the inflation time required, without resort to fabricating the airbag (20) from multiple idependent chambers. Selected of the internal tethers (31) may be designed to break as the airbag reaches close to its full inflation pressure to allow a portion of the airbag to bulge outwardly after the air bag is fully deployed. The remaining tethers (30) are designed to break as the pressure increases when the airbag is collapsed in a collision.
摘要翻译：本发明包括一种用于安装在车辆（24）上的外部气囊系统，车辆（24）部署在保险杠（38）上方的区域中，以防止或减轻由人员撞击格栅（28）或罩区域而造成的伤害（26）。安全气囊（20）存储在安装在车辆的前保险杠（38）内的壳体（40）中。安全气囊（20）通过缓冲器（38）的上表面中的开口（42）向上展开到缓冲器（38）的上表面和格栅（28）的前表面和罩（罩） 26）。安全气囊（20）通常为T形，并且包括多个在相对的内表面（74）内部以规则的间隔延伸的内部系绳（30,31），以使气囊（20）被簇起来。内部系绳（30,31）在给定的前部面积减小了气囊（20）的体积，从而减少了所需的充气时间，而不用从多个独立的腔室制造气囊（20）。所选择的内部系绳（31）可以被设计成随着气囊达到接近其全部充气压力而断裂，以允许气囊的一部分在气囊完全展开之后向外凸出。剩余的系绳（30）设计成当气囊在碰撞中塌陷时压力增加而断裂。

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