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Patent Searching and Data


Title:
GAS GENERATOR AND MANUFACTURING METHOD THEREFOR, AND SAFETY AIRBAG
Document Type and Number:
WIPO Patent Application WO/2020/259157
Kind Code:
A1
Abstract:
A gas generator and a manufacturing method therefor, and a safety airbag comprising the gas generator. The gas generator comprises a housing, the housing having an exhaust port (6); a filter (3) is received in the housing, the housing and the filter (3) together define a charging chamber (20) for receiving gas production agents; the charging chamber (20) is divided, by means of a division member (15), into a first divided charging chamber (20a) and a second divided charging chamber (20b) arranged side by side in an axial direction of the housing; the first divided charging chamber (20a) is provided with a first ignition cartridge (11), the second divided charging chamber (20b) is provided with a second ignition cartridge (13), the second divided charging chamber (20b) is in unidirectional communication with the first divided charging chamber (20a); gas that can be generated in the first divided charging chamber (20a) can be discharged from the exhaust port (6) through the filter (3), and gas that can be generated in the second divided charging chamber (20b) can sequentially pass through the first divided charging chamber (20a) and the filter (3), and is discharged from the exhaust port (6). The present invention can achieve a flexible gas output ratio, and has a compact structure, and a small number of parts.

Inventors:
CHEN JIANLIN (CN)
Application Number:
CN2020/091975
Publication Date:
December 30, 2020
Filing Date:
May 25, 2020
Export Citation:
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Assignee:
YANFENG AUTOMOTIVE SAFETY SYSTEMS CO LTD (CN)
International Classes:
B60R21/264; B60R21/26; B60R21/276
Foreign References:
US20090288574A12009-11-26
CN210634521U2020-05-29
CN110228441A2019-09-13
CN210554657U2020-05-19
CN104870263A2015-08-26
CN109641567A2019-04-16
CN104470765A2015-03-25
US20060119087A12006-06-08
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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