Land vehicles – Wheeled – Attachment
Patent
1996-09-09
1997-05-20
Ellis, Christopher P.
Land vehicles
Wheeled
Attachment
280736, 280737, 222 3, B60R 2126
Patent
active
056306199
ABSTRACT:
A hybrid adaptive airbag inflator. The inflator includes two separate chambers, each containing a quantity of stored inert gas. Each chamber additionally includes a heating device to heat the stored gas. To provide adaptive performance, one, or the other, or both of the heating devices may be fired, depending upon the severity of the collision. The heated stored gas increases in pressure and breaks free of the chamber to inflate the cushion. The two chambers are preferably provided with restricted gas communication, to equalize pressure between the chambers over time. This restricted communication maintains the chambers essentially separate over the short time periods associated with inflation. Over time, however, the communication will permit any unfired chamber to depressurize, providing increased safety.
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Buchanan Eric S.
Smith Bradley W.
Woodbury Mark B.
Ellis Christopher P.
Morton International Inc.
Ross Taylor J.
White Gerald K.
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