Patent ID: 6460884
Filing Date: 2002-10-08
Classification: B01D,B60R

Abstract:
A gas generator for an air bag, comprising:a housing having a gas discharge port; ignition means activated upon an impact; an inner cylindrical member provided inside said housing for accommodating said ignition means therein, said inner cylindrical member defining, in an outer circumference thereof, a first combustion chamber for containing a first gas generating means therein, and being formed; in an inner circumferential surface thereof, with a stepped notch portion; and a substantially flat partition wall engaging with the stepped notch portion and defining, inside said inner cylindrical member, a second combustion chamber for containing a second gas generating means therein, wherein, the first gas generating means and the second gas generating means are different from each other in at least one of a burning rate, a shape, a composition, a composition ratio, an amount, and an amount of generated gas per unit time.