Hybrid generator with perforating pillar and two-tube body
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 8, 2002
Grant Date -
Jan 24, 2002
app pub date -
May 7, 2001
filing date -
May 30, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to the field of hybrid gas generators intended to inflate a protective airbag. The generator (1) consists of two metal tubes (50, 51) welded together, the upstream tube (50) being of one piece with an internal partition (26) that has a central orifice (27) closed by a diaphragm (28). The generator thus has a reservoir chamber (29) containing a pressurized gas and a combustion and mixing chamber (46) containing a pyrotechnic device (4) and a support piece (30) carrying a piston-pillar (31) the stroke of which is limited. The hot gases cannot enter the reservoir chamber (29) which may thus contain a greater amount of gas.
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