Pyrotechnic gas generator with an adaptable flow rate for air bags
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United States of America Patent
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Jun 27, 2000
Grant Date -
N/A
app pub date -
Apr 30, 1998
filing date -
Oct 30, 1995
priority date (Note) -
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Abstract
A pyrotechnic gas generator with adaptable flow rate for air bags including a hollow body in which a sealing partition (9) defines two separate combustion chambers (1a, 1b) each containing a different gas-generating pyrotechnic charge (2a, 2b). An initiator (3) with two heads (4, 5) and a single power supply ignites each of the two charges at different times. The two heads (4, 5) may be provided with separate different resistors (R1, R2) or incorporated into a switching bridge including four switches combined with a diode circuit. The generator (10) is useful for making a gradual generator for an air bag for protecting the driver of a motor vehicle.
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