Pressure regulator
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United States of America Patent
Stats
-
Jan 5, 2010
Grant Date -
Sep 14, 2006
app pub date -
Feb 23, 2006
filing date -
Feb 24, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A gas generator (10) is provided including a housing (12). A gas generating composition (16) produces expanded gases upon activation of the inflator (10), thereby increasing the internal pressure and compressing the spring (50) operably coupled to the gas release member (40). As the spring (50) is compressed, at least one gas exit aperture (44), sealed prior to gas generator (10) activation, is opened as the gas release member (40) slidably engages an inner wall (11) of the housing (12). After gas generator (10) activation, the spring energy of the spring (50) gradually equalizes and then exceeds the gas pressure of the system gases, thereby once again attenuating the gas exit opening to maintain an optimum average system pressure as the gas is released from the housing (12).
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