Occupant restraint system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 6, 1996
Grant Date -
N/A
app pub date -
Jul 25, 1994
filing date -
Jul 25, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An occupant restraint system is disclosed incorporating a cushion structure or air bag having an impermeable external wall and a permeable internal wall with gas passageways therebetween. The air bag is mounted on a pair of gas manifolds having manifold gas ports communicating with the gas passageways in the air bag. Gas generator units are secured to the manifolds and are actuatable through impact signals to create high pressure gas directed through generator nozzles into the manifolds and subsequently into the gas passageways of the air bag. A valve plate supports a plurality of inlet reed valves operating in conjunction with a corresponding plurality of inlet ports to admit ambient air from within the vehicle into the expanding air bag; a pair of bi-level exhaust valves permit the escape of high pressure gas and air from within the air bag into the vehicle interior upon completion of the deployment of the air bag. The exhaust valves restrict the rate of exit of the gas and air from within the air bag when an increase in the internal air bag pressure occurs such as caused by occupant impact.
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