GAS GENERATOR AND ASSEMBLING METHOD OF THE SAME

摘要

The present invention provides a gas generator, including: in a tubular housing, a first combustion chamber (20) defined by a first perforated-plate member (14) on one end side in the tubular housing a tubular member (30) disposed in the remaining inner space of the tubular housing (10) and having a communication hole (37), a second-perforated plate member (32) disposed between the first perforated-plate member and the tubular member, a second combustion chamber (25), the tubular member being disposed so that a gap (35) is formed between the peripheral wall portion of the tubular housing and the tubular member.