Autoignition for gas generators
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United States of America Patent
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Sep 16, 2003
Issued Date -
N/A
app pub date -
Sep 26, 2000
filing date -
Sep 26, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
When a vehicle is involved in a fire, the airbag inflator is subjected to extreme temperatures, which may lead to the housing of the inflator rupturing. The use of autoignition material will minimize the risk of the housing rupturing during a fire by causing the combustion of the gas generant to occur at a desired safe temperature. According to the present invention, the autoignition material contains nitrocellulose material and an inert plasticizer. The plasticizer creates an autoignition material that is thermally stable and that does not need to undergo preassembly or packaging before being placed in a gas inflator.
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