发明授权
- 专利标题: Hybrid inflator with tortuous delivery passage
- 专利标题(中): 混合式充气机具有曲折的输送通道
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申请号: US239692申请日: 1994-05-09
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公开(公告)号: US5423570A公开(公告)日: 1995-06-13
- 发明人: Leland B. Kort , Randall J. Clark , Bradley W. Smith
- 申请人: Leland B. Kort , Randall J. Clark , Bradley W. Smith
- 申请人地址: IL Chicago
- 专利权人: Morton International, Inc.
- 当前专利权人: Morton International, Inc.
- 当前专利权人地址: IL Chicago
- 主分类号: B60R21/26
- IPC分类号: B60R21/26 ; B60R21/272
摘要:
A hybrid inflator for a vehicle passenger restraint system comprises a center tie having upper and lower ends, and a curved, continuous vessel wall secured to the upper and lower ends of and surrounding the center tie to define a pressure chamber storing inert compressed gas. The center tie defines a combustion chamber extending from the lower end thereof, the combustion chamber receiving pyrotechnic gaseous heat source material and a squib for igniting it. The center tie further defines a directional inlet port extending from the combustion chamber into the pressure chamber and a rupturable diaphragm seals the inlet port until ignition of the pyrotechnic generant. The center tie also defines a directional outlet vent extending from the pressure chamber adjacent the upper end of the center tie, the directional outlet vent being oriented substantially opposed the inlet port. The outlet vent is part of an outlet passage from the pressure chamber through the upper end of the center tie, including an orifice cavity and outlet orifice, oriented to provide further turns in the gas flow path. A rupturable diaphragm seals the outlet passage until ignition of the gas generant. A diffuser provides an additional change of direction of the outlet path.