Variable output inflator
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United States of America Patent
Stats
-
Sep 14, 2004
Grant Date -
Jan 1, 2004
app pub date -
Jun 26, 2002
filing date -
Jun 26, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus (10) includes an inflatable vehicle occupant protection device (14) and an inflation fluid source (50) for providing inflation fluid (152) for inflating the protection device. The apparatus (10) also includes an opening (170) through which the inflation fluid (152) flows from the inflation fluid source (50). A member (190) is movable to control flow of the inflation fluid (152) through the opening (170). A volume of a field responsive fluid (230) resists movement of the member (190). The field responsive fluid (230) has a viscosity that varies in response to an energy field acting on the fluid. The apparatus (10) further includes means (232) for varying the viscosity of the field responsive fluid (230) to vary the resistance to movement of the member (190).
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Cited Art Landscape
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