Patent ID: 10875489

Abstract:
The present invention provides a gas generator, including an outer shell housing having a top plate, a bottom plate and a circumferential wall provided with a gas discharge port, a combustion chamber accommodating a gas generating agent, a cylindrical filter and an ignition device disposed in a cup-shaped ignition device chamber housing, the bottom surface of the cup-shaped ignition device chamber housing facing the top plate and an end surface of the opening thereof abutting against the bottom plate, a length from an upper end surface to a lower end surface of the cylindrical filter being shorter than a distance from the top plate to the bottom plate of the outer shell housing, and the cylindrical filter being disposed such that the upper end surface faces the top plate and the lower end surface faces the combustion chamber, a cup-shaped cover member which has a bottom surface, a circumferential wall and an opening, further being disposed between the cup-shaped ignition device chamber housing and the cylindrical filter.