Gas generator for air bag system

Details Gas generator for air bag system Gas generator for air bag system

1992-10-13

1993-07-13

Warden, Robert J.

Land vehicles

Wheeled

Attachment

422305, 422165, 422166, 222 3, 102531, B60R 2126

Patent

active

052266699

ABSTRACT:
First and a second sealing layers are provided inside an inner periphery of a casing layer having a plurality of gas ejecting bores in its outer peripheral wall, and a gas-generating agent is mounted between the sealing layers, while a compressed gas is filled inside the second sealing layer. When the gas-generating agent is fired due to a collision of a vehicle, the first sealing layer is cleaved in a region of the gas ejecting bores by the pressure of a generated combustion gas and, then, the second sealing layer is cleaved likewise in a region of the gas ejecting bores by the pressure of the compressed gas, thereby permitting the compressed gas to be ejected uniformly from the plurality of gas ejecting bores into an air bag. In this case, a reduction in temperature of the compressed gas due to an adiabatic expansion thereof is compensated for by mixing of the compressed gas with the combustion gas, thereby enabling an efficient expansion of the air bag.

REFERENCES:
patent: 4981534 (1991-01-01), Scheffe
patent: 5031932 (1991-07-01), Frantom et al.
patent: 5033772 (1991-07-01), Frantom et al.
patent: 5076607 (1991-12-01), Woods et al.
patent: 5131680 (1992-07-01), Coultas et al.

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