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airbag device

A technology for airbags and airbag cushions, which is applied in the directions of transportation and packaging, pedestrian/occupant safety arrangement, vehicle safety arrangement, etc., can solve the problems of large deployment pressure of airbag cushions, injury to the head and neck of occupants, etc., and achieve the effect of reducing injuries.

Inactive Publication Date: 2016-08-03
HYUNDAI MOBIS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] But at present, the airbag cushion often causes a problem, that is, after the occupant touches the airbag cushion, the head and neck of the occupant are often injured due to the excessive pressure of the airbag cushion deployment.

Method used

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Embodiment Construction

[0024] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Apparently, the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention. In the specification, the same reference symbol refers to the same component. figure 1 is a schematic diagram of an airbag device according to an embodiment of the present invention, figure 2 yes press figure 1 The cross-sectional view indicated by the line A-A in the middle.

[0025] according to figure 1 with figure 2 , The airbag device proposed in...

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PUM

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Abstract

The invention relates to an air bag device, which is characterized in that an air bag cushion prevents exhaust of air at the early stage of unfolding and allows the air to be exhausted when expanding to a limit, thereby reducing injury on the head and neck of a passenger. The air bag device comprises the air bag cushion which expands along with inflow of the air and is provided with a vent hole allowing the inflow air to be exhausted, a baffle pate for blocking the vent hole, a pull belt combined with the baffle plate, and an air generator which is combined with the pull belt for allowing the baffle plate to expose the vent hole, allows the air bag cushion to be broken by generated air when the air bag cushion expands to a limit, and pushes the pull belt to allow the pull belt to generate a tensile force.

Description

technical field [0001] The invention relates to an airbag device, specifically, the airbag cushion prevents air leakage at the initial stage of deployment, maintains the deployment pressure, and discharges the gas after the airbag cushion is inflated to the limit, so as to reduce the degree of injury to the occupant's head and neck airbag device. Background technique [0002] A general airbag device refers to a device that, when an automobile accident occurs, gas generated from an inflator flows into an airbag cushion to inflate and deploy the airbag cushion to protect occupants. [0003] But at present, the airbag cushion often causes a problem, that is, after the occupant touches the airbag cushion, the head and neck of the occupant are hurt from time to time due to the excessive pressure of the airbag cushion. In North America, relevant regulations on the saleability of airbag devices have even been enacted, setting strict standards on whether the deployment of the airba...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60R21/276
CPCB60R21/239B60R2021/23384B60R2021/2395
Inventor 玄宰昊
Owner HYUNDAI MOBIS CO LTD