Electrical ignition circuit for gas generator

Details Electrical ignition circuit for gas generator Electrical ignition circuit for gas generator

1975-05-19

1977-07-05

Silverstrim, John P.

Land vehicles

Wheeled

Attachment

102 377, 102 702R, 102 82, 280742, 361248, 333 29, B60R 2108

Patent

active

040336107

ABSTRACT:
An electrically activated ignition circuit system for a gas generator to be used to inflate a gas bag in a motor vehicle.The system includes a bridge circuit including a first ignition filament for igniting gas-producing substances disposed in a gas generating bomb and a second ignition filament for exploding a detonator to break a seal for the bomb; a source to supply current to the bridge circuit; and a collision sensor to couple the current from the source to the bridge circuit when a collision occurs. The current first heats the second filament to explode the detonator and then heats the first filament to ignite the gas-producing substances.

REFERENCES:
patent: RE28164 (1974-09-01), Stephenson
patent: 3225695 (1965-12-01), Kapp
patent: 3518487 (1970-06-01), Tanaka
patent: 3635647 (1972-01-01), Kim
patent: 3758131 (1973-09-01), Stephenson
patent: 3767002 (1973-10-01), Gillund
patent: 3786843 (1974-01-01), Stephenson
patent: 3861710 (1975-01-01), Okubo
patent: 3944249 (1976-03-01), Smith

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