Electrically controlled variable force deployment airbag and inflation
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United States of America Patent
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Oct 4, 2016
Grant Date -
Dec 3, 2015
app pub date -
May 28, 2014
filing date -
May 28, 2014
priority date (Note) -
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Abstract
The rate of combustion of an electrically operated propellant having self-sustaining threshold of at least 1,000 psi is controlled to produce chamber pressures that are sufficient to produce a desired pressure profile in the airbag to accommodate a range of human factors and crash conditions yet never exceeding the self-sustaining threshold. The combustion of the propellant is extinguished to control the total pressure impulse delivered to the airbag. Propellants formed with an ionic perchlorate-based oxidizer have demonstrated thresholds in excess of 1,500 psi and higher.
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