Flexible gas generator
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United States of America Patent
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May 3, 2011
Grant Date -
Jul 20, 2006
app pub date -
Jan 20, 2006
filing date -
Jan 20, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In accordance with the present invention, a flexible gas generator (10) is provided which includes a first flexible housing (14) defining an interior, the first housing (14) having an exterior surface. A first flexible, porous covering (15) is positioned in contact with substantially the entire exterior surface of the first housing (14). The first housing (14) and covering (15) are positioned within a second flexible housing (12). The first (14) and second (12) housings may be formed from polymeric or metallic tubing. A second flexible, porous covering (19) may be positioned to cover substantially the entire exterior surface of the second housing (12). The flexible first covering (15) may comprise multiple layers of, for example, a braided or a mesh material. The flexible coverings (15, 19) provide structural support for the housings (12, 14) while cooling and filtering the generated gases. A series of plenums (390) may be formed between adjacent layers of the first covering and/or a series of baffles (100) may be positioned between the layers to direct the flow of inflation gases and to cool the gases. Use of flexible tubing and flexible coverings provides the gas generator with substantial flexibility.
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