Air bag inflator having a ball piston valve assembly

Details Air bag inflator having a ball piston valve assembly Air bag inflator having a ball piston valve assembly

1992-02-18

1993-11-02

Pape, Joseph D.

Land vehicles

Wheeled

Attachment

280742, 222 3, B60R 2126

Patent

active

052578178

ABSTRACT:
An apparatus for inflating a vehicle occupant restraint includes a gas source. A gas outlet opening allows flow of gas from the gas source into the vehicle occupant restraint to inflate the vehicle occupant restraint. A valve assembly for controlling flow of gas through the gas outlet opening includes a ball piston disposed in a cylinder. The ball piston has a surface against which the gas acts to move the ball piston in a first direction in the cylinder to allow increased flow of gas through the gas outlet opening. An elastomeric member controls movement of the ball piston in the cylinder.

REFERENCES:
patent: 3638964 (1972-02-01), Chute
patent: 3877721 (1975-04-01), Brown, Jr.
patent: 3900211 (1975-08-01), Russell et al.
patent: 4981534 (1991-01-01), Scheffe
patent: 5195777 (1993-03-01), Cuevas

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