公开(公告)号：US06213503B1

公开(公告)日：2001-04-10

申请号：US09441214

申请日：1999-11-16

申请人： Robert C. Zimbrich ,  David A. Bilbrey ,  Charles D. Rodgers ,  Andrew C. Kohl ,  Donald W. Renfroe ,  Richard K. Robbins ,  Todd S. Carlson

发明人： Robert C. Zimbrich ,  David A. Bilbrey ,  Charles D. Rodgers ,  Andrew C. Kohl ,  Donald W. Renfroe ,  Richard K. Robbins ,  Todd S. Carlson

IPC分类号： B60R2126

CPC分类号： B60R21/272 ,  B60R2021/2633

摘要： A multi-level output inflator for air bags or the like, comprising a center bulkhead, a primary gas generating unit connected at its inner end to one side of the bulkhead, and a secondary gas generating unit connected at its inner end to the opposite side of the bulkhead. The primary gas generating unit comprises a primary pressure vessel disposed adjacent to the bulkhead and in communication therewith, with an inert gas under pressure in the primary pressure vessel. The secondary gas generating unit comprises a secondary pressure vessel disposed adjacent to the bulkhead and in communication therewith, with an inert gas under pressure in the secondary pressure vessel. The bulkhead comprises a first opening therein in communication with the primary pressure vessel and a primary outlet port in communication with the first opening. A second opening is provided in the bulkhead with is in communication with the secondary pressure vessel and a secondary outlet port. A primary burst disc is disposed between the first opening of the bulkhead and the primary pressure vessel, and a secondary burst disc is provided between the second bulkhead opening and the secondary pressure vessel. Upon the ignition of the gas generating charge of one of the gas generating units, the gas therein is further pressurized to rupture the adjacent burst disc and effect the flow of the pressurized gas to the adjacent bulkhead opening and outlet port to the air bag for inflation thereof.

摘要翻译： 一种用于气囊等的多级输出充气机，包括中央隔板，在其内端连接到隔板的一侧的主气产生单元和在其内端连接到相对侧的二次气体发生单元 的舱壁。 主气体发生单元包括一个主压力容器，该主压力容器邻近隔板设置并与第一压力容器中的压力下的惰性气体连通。 二次气体发生单元包括邻近隔板设置并与第二压力容器连通的第二压力容器，其中二次压力容器中的惰性气体处于压力下。 隔板包括与主压力容器连通的第一开口和与第一开口连通的主出口。 在隔板中设置有与次级压力容器连通的第二开口和次级出口。 初级爆破盘设置在隔板的第一开口和主压力容器之间，并且在第二隔板开口和次级压力容器之间设置次级爆破盘。 当气体发生单元之一的气体发生气体点燃时，其中的气体被进一步加压以使相邻的爆破盘破裂并且使得加压气体流向邻近的舱壁开口和出口到气囊以用于充气 其中。