Hybrid gas generator provided with an initiator with shaped explosive charge
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United States of America Patent
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Jan 15, 2002
Grant Date -
N/A
app pub date -
Jan 24, 2000
filing date -
Jan 25, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a hybrid gas generator intended for motor vehicle safety. The generator (1) includes a container (2) containing a cold gas (10) under pressure and having an open end in which a compartment (2), which is located outside the container (2), is fixed. This compartment (3) is provided with gas discharge orifices (6) and has a front wall (8) in which there is an opening closed by a diaphragm (9) which makes it possible to separate the inside of the container (2) from the inside of the compartment (3), in a leaktight fashion. The latter contains an initiator (12) with shaped explosive charge and a pyrotechnic charge (13), the initiator (12) being capable of destroying the diaphragm (9) from a distance and of initiating the pyrotechnic charge (13). This generator (1) makes it possible to initiate deployment of the airbag using cold gas (10) as soon as it starts to operate.
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