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Airbag hybrid gas generator

A technology for gas generators and airbags, applied in vehicle safety arrangements, pedestrian/passenger safety arrangements, transportation and packaging, etc., can solve the problems of burning out airbags, large volume, damage to gas generators, etc., and achieve simple structure, small size effect

Pending Publication Date: 2021-01-22
宜致汽车安全系统(常熟)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional pyrotechnic generator uses the combustion booster to generate a large amount of gas to inflate the airbag. The gas generated after combustion has a lot of heat. If the gas rushes out directly, it may damage the gas generator or burn out the airbag, and burn There are many powders, which is not conducive to the safety of users; and there are also problems of complex structure and large volume; for this reason, a hybrid gas generator for safety airbags is proposed

Method used

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Embodiment

[0019] see Figure 1-3 , the present invention provides a technical solution: an airbag hybrid gas generator, including a gas generator housing 1, the top of the gas generator housing 1 is fixedly connected to the ignition unit 3, and the inner side wall of the gas generator housing 1 The top wall and the bottom of the ignition unit 3 are fixedly connected with an ignition housing 14, the inner side wall of the ignition housing 14 is threadedly connected with the base 10, the inner side wall of the ignition housing 14 is fixedly connected with the igniter 2 at the bottom of the base 10, and the gas generator The bottom of the device housing 1 is connected with a high-pressure gas chamber housing 9, the inner cavity of the high-pressure gas chamber housing 9 is provided with a high-pressure gas chamber 4, the inner cavity of the high-pressure gas chamber 4 is filled with helium 12, and the top of the high-pressure gas chamber 4 A bursting membrane 5 is fixedly connected, a firs...

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Abstract

The invention discloses an airbag hybrid gas generator which comprises a gas generator shell, an ignition unit is fixedly connected to the top of the gas generator shell, and an ignition shell is fixedly connected to the top wall of the inner side wall of the gas generator shell and located at the bottom of the ignition unit. The inner side wall of the ignition shell is in threaded connection witha base; an igniter is fixedly connected to the position, located at the bottom of the base, of the inner side wall of the ignition shell; and the bottom of the gas generator shell is connected with ahigh-pressure gas chamber shell. The top of thehigh-pressure gas chamber is connected with aburst film , and a first burst film retainer is mounted on one side of the burst film, so that compared with a traditional smoke and fire type generator, the airbag hybrid gas generator is simpler in structure and smaller in size; and after low-temperature high-pressure gas and high-temperature high-pressure gas are mixed, the suitable-temperature high-pressure gas is uniformly dispersed to fill the airbag, and the risk of burning out the airbag does not exist.

Description

technical field [0001] The patent of the present invention relates to the technical field of airbag gas generators, in particular to an airbag hybrid gas generator. Background technique [0002] In order to improve safety, traditional cars can protect the safety of people in the car as much as possible in the event of an accident. Airbags are installed inside the car to cushion the impact force. The traditional pyrotechnic generator uses the combustion booster to generate a large amount of gas to inflate the airbag. The gas generated after combustion has a lot of heat. If the gas rushes out directly, it may damage the gas generator or burn out the airbag, and burn There are many powders, which is not conducive to the safety of users; and there are also problems of complex structure and large volume; for this reason, a hybrid gas generator for safety airbags is proposed. Contents of the invention [0003] The object of the present invention is to provide an airbag hybrid g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R21/264
CPCB60R21/264
Inventor 李威扬金聿陆凯曾镭沈春荣
Owner 宜致汽车安全系统(常熟)有限公司
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