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1. 发明授权

US5882036A Hybrid inflator with reduced solid emissions 失效
标题翻译：具有减少固体排放的混合式充气机
公开(公告)号：US5882036A
公开(公告)日：1999-03-16
申请号：US926916
申请日：1997-09-10
申请人： Walter A. Moore , Robert E. Lewis , Marcus T. Clark , Bryan D. Matzl
发明人： Walter A. Moore , Robert E. Lewis , Marcus T. Clark , Bryan D. Matzl
IPC分类号： B01D39/12 , B60R21/26 , B60R21/272
CPC分类号： B60R21/272 , B01D39/12
摘要： A hybrid inflator having a quantity of stored gas in a pressure vessel, and a quantity of gas generant stored within a generant housing having at least one port in its longitudinal end. Within the generant housing the gas generant is retained within a porous sleeve. This sleeve is spaced inward from the non-porous generant housing, such that a free flow area is formed between the sleeve and the generant housing. The inflation gas created by the gas generant will thus flow radially outward through the sleeve, and then be turned to flow longitudinally toward the port(s) in the generant housing. Providing the free flow area reduces the pressure drop across the generant sleeve, resulting in less slag being forced through the sleeve to be entrained within the created gas flow. Additionally, the changes in direction forced upon the created gas flow to exit the generant housing cause additional amounts of slag to be removed from the created gas flow. This results in a hybrid inflator having reduced solid emissions. A second embodiment employs longitudinal flow directly from the gas generant with a free flow area leading to radial ports on the generant housing.
摘要翻译：一种在压力容器中具有一定量的储存气体的混合式充气机，以及储存在发电机壳体内的气体发生剂的量，其在其纵向端部具有至少一个端口。在发电机壳内，气体发生器保留在多孔套筒内。该套筒与无孔发生器壳体向内隔开，从而在套筒和发电机壳体之间形成自由流动区域。由气体发生器产生的膨胀气体将因此径向向外流过套筒，然后被转动以纵向流向发生器壳体中的端口。提供自由流动面积减小了发生套筒上的压降，从而导致较少的炉渣被迫穿过套筒被夹带在所产生的气体流中。此外，强制产生的气体流动以排出发电机壳体的方向的变化导致从所产生的气体流中移除附加量的炉渣。这导致具有减少的固体排放的混合式充气机。第二个实施例采用直接来自气体发生器的纵向流动，其具有通向发电机壳体上的径向端口的自由流动区域。

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