GAS GENERATING DEVICE FOR AIR BAG

摘要

The present invention relates to a gas generating device for air bags, which is mounted on a vehicle or the like to inject a gas into an air bag serving to protect a driver or occupants at the time of collision. The gas generating device for air bags, which ignites an inflammable fluid to burn the same to inflate an air bag (3) by means of the fluid increased in pressure due to temperature rise caused by burning, comprises storage means (5, 9) for storing an inflammable fluid (7), a vent port (8) provided on the storage means, and a closure member (13) for closing the vent port and having an ignition unit (14) directed toward the storage means. Burning increases pressure in the storage means to surely break the closure member to enable efficiently and rapidly feeding a mixture of the burning fluid into the air bag. <IMAGE>