Inflator and method of assembly

Details Inflator and method of assembly Inflator and method of assembly

1993-03-02

1994-09-13

Focarino, Margaret A.

Land vehicles

Wheeled

Attachment

55485, 55487, 280741, B60R 2126, B01D 2950

Patent

active

053462521

ABSTRACT:
An inflator (14) for inflating an air bag (12) includes a source of gas (62) for inflating the air bag, and a tubular wall (52) with a plurality of gas flow openings (86) for directing the gas to flow from the inside of the tubular wall (52) toward the air bag (12). The inflator (14) also includes a rupturable pressure controlling member (60) and a cylindrical filter assembly (56) with a plenum screen (76). The pressure controlling member (60) extends circumferentially around the inside of the tubular wall (52) and across the gas flow openings (86) to block the gas from flowing into the gas flow openings (86). The cylindrical filter assembly (56) is located between the source of gas (62) and the pressure controlling member (60). The plenum screen (76) extends circumferentially around the inside of the pressure controlling member (60), and has an edge (180) adjoining the pressure controlling member (60). The edge (180) of the plenum screen (76) adjoining the pressure controlling member (60) is selvaged so that the edge (180) has a minimal tendency to rupture the pressure controlling member (60) during assembly of the filter assembly (56) into the tubular wall (52).

REFERENCES:
patent: 3880447 (1975-04-01), Thorn et al.
patent: 4012211 (1977-03-01), Goetz
patent: 4817828 (1989-04-01), Goetz
patent: 4877527 (1989-10-01), Brownell
patent: 4923212 (1990-05-01), Cuevas
patent: 5217515 (1993-06-01), Guglielmi
patent: 5230726 (1993-07-01), Smith et al.

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