GAS GENERATOR

• Main Authors: YAMASHITA HARUHIKO, IMOTO KATSUHIRO, HANANO TEPPEI
• Format: Patent
• Language: English; French; German
• Published: 19.10.2016
• Subjects: PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The present invention provides a gas generator including a cylindrical housing, and a diffuser portion, a first combustion chamber defined by a first porous plate member, a second combustion chamber defined by a second porous plate member, an ignition device having an ignition portion and attached to an igniter collar, in the first porous plate member, a proportion of a first total opening area of only the outer first through holes arranged only in the vicinity of a peripheral edge portion to a total opening area of the first through holes being not less than 95%, an annular space formed between an outer peripheral surface of the ignition portion and an inner peripheral wall surface of the cylindrical housing, a height (H) of a top surface of the ignition portion from the igniter collar and a smallest length (Lmin) of the first gas generating agent in the first combustion chamber satisfying a relation of Lmin<H, and an axis X of the cylindrical housing being coincident with a central line of the ignition portion of the igniter, the first porous plate member and the second porous plate member.