Patent ID: 8176851

Claim:
A gas generator, having a combustion chamber for generating gas, for a gas actuator for operating a safety device, the generator comprising, in the combustion chamber: first gas generant molded articles containing a fuel component including a guanidine derivative and/or a tetrazole derivative, and an oxidizing agent component containing a perchlorate; and second gas generant molded articles containing smokeless powders including nitrocellulose as the major ingredient, wherein the fuel component of the first gas generant molded articles has a composition different from the fuel component of the second gas generant molded articles, the first and second gas generant molded articles are each shaped in a granular form, a flake form, a pellet form, a tablet form, a multi-perforated cylinder form, a cylindrical form, or a single perforated cylinder form, and are mixed with each other to fill up the combustion chamber.