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Head portion protecting air bag apparatus

A head protection and airbag technology, applied in vehicle parts, transportation and packaging, pedestrian/occupant safety arrangement, etc., can solve the problems of increasing airbag damage, inability to increase the time for maintaining internal pressure, etc., to improve gas supply performance, improve Inflation and deployment performance, effect of simplified countermeasures

Inactive Publication Date: 2004-03-17
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the gas supply capacity of the inflator is increased, the damage to the airbag is increased, and the time for maintaining the internal pressure cannot be increased

Method used

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  • Head portion protecting air bag apparatus
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Examples

Experimental program
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Embodiment Construction

[0086] Embodiments according to the present invention will be described below with reference to the accompanying drawings. Figure 1-10 An embodiment of a head protection airbag device for a passenger in an automobile according to the present invention is shown. The head protection airbag device according to this embodiment is equipped with an airbag module 10 consisting of an airbag 11 that is inflated and deployed in a curtain shape along the side wall of the vehicle compartment, a tension cloth 12 fitted on the front end portion of the airbag 11, and an inflator 14. In this configuration, the inflator 14 is fitted in the air supply port 11a of the airbag 11 together with the diffuser pipe 13 in an airtight manner.

[0087] The airbag 11 is formed in the manner of a two-way elastic band so that the texture has a longitudinal direction and a vertical direction, a coating for maintaining airtightness is applied on the surface, the gas supply port 11a extends in the vertical di...

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PUM

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Abstract

In a head portion protecting air bag apparatus in which an air bag (11) housed along a roof side rail (21) is inflated and deployed in a curtain-like shape along a vehicle compartment side wall by a gas supplied from an inflator (14) so as to protect a head portion of an occupant, the air bag (11) is provided with a front seat inflating portion (11c), a rear seat inflating portion (11d), and a gas passage (11b) communicated with inflating chambers of both of these inflating portions (11c, 11d), a gas supply port (11a) for supplying the gas supplied from the inflator (14) downward is provided corresponding to the gas passage (11b), and an auxiliary inflating chamber (11e) is provided corresponding to the gas supply port (11a).

Description

technical field [0001] The present invention relates to a head protection air bag device equipped in an automobile, more particularly, relates to a head protection air bag device having such a structure that the air bags are arranged along the armrests on both sides of the roof using the gas provided by the inflator Inflates and unfolds like a curtain along the side walls of the car to protect the passenger's head. Background technique [0002] Such a head protection airbag device includes, for example, a structure in which an inner tube is built along the gas passage (inflow portion) of the airbag, thereby restricting the airbag from being damaged by the gas supplied to the airbag by the inflator, as described in Japanese Patent Application Laid-Open Document No. Introduced among 11-321536; And such a kind of structure, promptly arranges a pipe body along the gas channel of airbag, thereby limit airbag to be damaged by the gas that inflator provides to airbag, as Japanese P...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R21/20B60R21/16B60R21/232B60R21/233B60R21/261
CPCB60R2021/2617B60R2021/23316B60R21/232B60R21/26B60R21/21B60R21/263
Inventor 高原勇
Owner TOYOTA JIDOSHA KK
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