Land vehicles – Wheeled – Attachment
Patent
1991-11-19
1993-09-28
Tyson, Karin L.
Land vehicles
Wheeled
Attachment
55498, B60R 2126
Patent
active
052481620
ABSTRACT:
An apparatus for inflating a vehicle occupant restraint such as an air bag comprises a source of gas for inflating the air bag. A filter is disposed outward of the gas source and has an outer surface. A pressure controlling member is spaced outward of the filter an encircles the gas source and the filter. A helical strand is interposed between the filter and the pressure controlling member to create a plenum between them. Gas supplied by the gas source accumulates in the gap until it builds up enough pressure to burst the pressure controlling member. The strand has a smooth cylindrical outer surface. Thus, any contact between the strand and the foil layer is line contact.
REFERENCES:
patent: 3931019 (1976-01-01), Fowler
patent: 4652285 (1987-03-01), Greene
patent: 4817828 (1989-04-01), Goetz
patent: 4846368 (1989-07-01), Goetz
"Gelman Guide to Ultrafine Process Filtration", The Gelman Instrument Company GEL-3708, Mar. 1970, 12 pp.
Braun William P.
Corrion Edward J.
Husband Clarence R.
Levosinski George J.
Wallner John P.
TRW Vehicle Safety Systems Inc.
Tyson Karin L.
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