Patent ID: 6572142
Filing Date: 2003-06-03
Classification: B60R

Abstract:
A gas generator for an air bag, comprising:a vessel having a pressurized gas accommodation chamber for accommodating a pressurized gas therein; a partition made of a single piece of material provided independently from a peripheral portion of said vessel and dividing said pressurized gas accommodation chamber into two sections, said partition defining one of said two sections therein and having at least one receiving portion for receiving at least one ignition unit; a through-hole, defined in said partition, for communicating the sections of the pressurized gas accommodation chamber, said through-hole constantly maintaining communication between said two sections regardless of an operating condition of the gas generator; two ignition units, each ignition unit containing an igniter material and gas generating agents that generate gas when ignited by the igniter material, at least one of said two ignition units being attached directly to said receiving portion; and a gas release unit adapted to release gas from said vessel, said gas release unit having only a single rupturable gas sealing wall that seals an entire pressurized gas inside said vessel.