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Airbag system

An airbag and gas technology, applied in vehicle safety arrangement, pedestrian/occupant safety arrangement, transportation and packaging, etc., can solve the problems of airbag shape difficulty, trouble, and increased processing cost.

Inactive Publication Date: 2004-10-27
HONDA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, in the aforementioned conventional airbag system, the work of connecting the linear body to the inside of the airbag is cumbersome, which causes a problem of increased processing cost, and there is also a problem that only the tension of the linear body It is very difficult to control the shape of the airbag during the deployment stage as required

Method used

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Examples

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Embodiment Construction

[0021] Embodiment modes of the present invention are described below based on the embodiments shown in the drawings.

[0022] Figures 1 to 7 A first embodiment is shown, where figure 1 is a perspective view of the front of the passenger compartment of a car, figure 2 is along figure 1 The enlarged cross-sectional view cut by line 2-2 in the center, image 3 is an exploded perspective view of the airbag module, Figure 4 is an exploded perspective view of the airbag, Figure 5 is a plan view of the airbag, FIGS. 6A to 6C are explanatory diagrams explaining the folding sequence of the airbag, and Figure 7 is an explanatory diagram explaining the operation of the airbag in the deployment phase.

[0023] Such as figure 1 As shown, the airbag module 13 for the driver's seat 11 is housed inside a steering wheel 12 provided in front of the driver's seat 11 .

[0024] Such as figure 2 and image 3 As shown, the steering wheel 12 includes: a boss portion 16, which is fixe...

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PUM

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Abstract

Three apex portions of a triangular air bag 32 are folded toward a central portion of the air bag, respectively, so that the respective apex portions and a retainer are coupled together by a restricting member 39, and thereafter, the air bag 32 is folded up into an appropriate shape. In an earlier stage of deployment of the air bag 32, the inflation of the air bag 32 to its maximum capacity is restricted by the restricting member 39, whereby the air bag 32 is allowed to inflate quickly to a capacity which is smaller than its maximum capacity, thereby making it possible to get the air bag 32 ready for restraining an occupant. In a later stage of deployment of the air bag 32 that occurs thereafter, when an internal pressure of the air bag 32 reaches or exceeds a predetermined value, the restricting member 39 breaks or extends.

Description

technical field [0001] The present invention relates to an airbag system in which a folded airbag and an inflator are supported on a retainer so that in the event of a collision, the airbag is inflated and deployed into a passenger compartment of a vehicle by gas generated by the inflator. Background technique [0002] The following patent documents disclose an airbag system, wherein when a vehicle collides, some positions on the inner surface of the airbag are joined by a linear body, and the airbag is inflated and deployed into the passenger compartment of the vehicle by the gas generated by the inflator, so that the airbag The increase in volume is limited by the tension generated by the linear body when the airbag is deployed, and when the internal pressure of the airbag reaches a predetermined value due to the auxiliary impact of the occupant on the airbag, the linear body is extended or ruptured to allow the airbag volume to further increase , thereby enhancing the occ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60R21/16B60R21/203B60R21/233B60R21/2342B60R21/237
CPCB60R2021/23386B60R21/2342B60R21/203B60R21/231B60R21/237
Inventor 甲斐健
Owner HONDA MOTOR CO LTD