Title:
ガス発生器
Document Type and Number:
Japanese Patent JP5020785
Kind Code:
B2
Abstract:
The present invention relates to a gas generator (10) including:
a cylindrical housing (12) having a gas discharge port (16) and being closed at both ends,
an ignition device attached to one end of the cylindrical housing (12),
a first gas generating agent chamber (60) provided in the cylindrical housing (12) at a position close to the ignition device and filled with a first gas generating agent (61),
a cylindrical filter provided in a space axially adjacent to the first gas generating agent chamber,
a second gas generating agent chamber (70) provided inside the cylindrical filter (20) and filled with a second gas generating agent (71), and
a retainer (50) disposed between the first gas generating agent chamber (60) and the second gas generating agent chamber (70), the retainer having an annular flat surface (51) and a annular circumferential wall surface (53) that protrudes from an inner circumferential edge of the annular flat surface, the annular flat surface (51) abutting against one end surface of the cylindrical filter (20) and the annular circumferential wall surface (53) abutting against a portion of an inner circumferential surface on one end side of the cylindrical filter (20),
an inner diameter of the second gas generating agent chamber (70) being smaller than an inner diameter of the first gas generating agent chamber (60).
Inventors:
Kenji Numamoto
Yasunori Iwai
Yasunori Iwai
Application Number:
JP2007292718A
Publication Date:
September 05, 2012
Filing Date:
November 12, 2007
Export Citation:
Assignee:
Daicel Corporation
International Classes:
B60R21/264; B60R21/26
Domestic Patent References:
| JP2007514610A | ||||
| JP2006062432A | ||||
| JP3134430U |
Attorney, Agent or Firm:
Satoshi Furuya
Takahiko Mizobe
Shinji Mochida
Yoshitsune Kazumasa
Takahiko Mizobe
Shinji Mochida
Yoshitsune Kazumasa