Initiator assembly

An igniter and electric igniter technology, which is applied in the direction of weapon accessories, vehicle parts, belt tighteners, etc., can solve the problems that do not involve consideration of the operational reliability of the igniter components, gas generators, etc. Effects of preventing moisture and deterioration, avoiding moisture absorption, and reducing manufacturing costs

Inactive Publication Date: 2005-03-02
DAICEL CHEM IND LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] However, in the igniter assembly presented in this publication, no consideration is given to the operational reliability of the igniter assembly itself and reliable start-up in the gas generator
[0006] Thus, in such conventional igniter assemblies, there is room for improvement in achieving sufficient operational reliability and ease of manufacture

Method used

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  • Initiator assembly
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Examples

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Embodiment 2

[0060] image 3 with 4 An example of a gas generator for an air bag using an igniter assembly 100 having the same features as the above-described igniter assembly is shown.

[0061] This gas generator has, inside a casing 103, an ignition device including the above-mentioned igniter assembly 100, a gas generating agent 105 which is ignited and burnt due to activation of the ignition device to generate operating gas for inflating an air bag (bag body), and The filter device 106 for purifying and / or cooling the operating gas produced by the combustion of the gas generating agent 105, the housing 103 is formed by connecting the diffuser housing 101 having an exhaust port and the closing shell closing the diffuser housing The bodies 102 are assembled together to form.

[0062] exist image 3 In the shown gas generator, an inner cylindrical member 108 provided with a plurality of flame transmission holes 107 on its outer peripheral surface is arranged at the center of the casing...

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PUM

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Abstract

An initiator assembly capable of guaranteeing the assured operation of a gas generator by assuring the structure of connection between a metal collar and an electric initiator to prevent the entry of moisture into the gas generator, comprising the electric initiator and the metal collar surrounding at least a part of the electric initiator formed integrally with each other with resin, wherein at least either of an annular projected part and a tubular projected part provided in a direction that surrounds the electric initiator is formed on the metal collar, and the projected part is covered with the resin.

Description

technical field [0001] The present invention relates to an igniter assembly used in such as an air bag gas generator for a motor vehicle safety system, a gas generator for a seat belt pretensioner, a gas generator for a curtain air bag, etc., and more particularly , relating to an igniter assembly in which an electric igniter to be activated by an electric signal and a metal collar surrounding at least a part of the electric igniter are integrated with resin, and a gas generator using the igniter assembly, And the combined structure of metal collar and resin in this igniter assembly. Background technique [0002] The igniter assembly includes an electric igniter activated by an electric signal from a collision detection system, and is mounted on various safety devices of a motor vehicle, such as a gas generator for an air bag, a gas generator for a Gas generators for seat belt pretensioners, gas generators for curtain airbags. Since the igniter assembly is responsible for ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F42B3/12B60R21/26B60R21/264B60R22/46F42B3/103F42B3/195
CPCF42B3/103B60R21/2644B60R2021/26029F42B3/195
Inventor 小田慎吾
Owner DAICEL CHEM IND LTD
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