GAS GENERATOR FOR AIR BAG AND AIR BAG DEVICE

摘要

A gas generator for air bag capable of being reduced in size and easily and surely adjusting the volume of a combustion chamber for storing gas generating agent and a retainer for the gas generator capable of altering the flow of the gas blown out from a through hole in an internal member installed in a housing and having a tubular part for collecting the combustion products in fluid body and semi-fluid body contained in the gas; the gas generator for air bag, wherein an inner cylindrical member having a cylindrical peripheral wall is disposed in the housing having a gas outlet, two combustion chambers divided through the inner cylindrical member are formed therein, the gas generating agent producing working mixture by burning is filled into the combustion chambers, and the working mixture produced in the combustion chambers reaches the gas outlet through the flow passages different from each other.