Vehicle side air curtain with controlled pressure chamber

A side air curtain, pressure chamber technology, applied in vehicle components, vehicle safety arrangements, pedestrian/occupant safety arrangements, etc., can solve problems such as increased motor vehicle weight, major packaging challenges, cost loss, etc.

Inactive Publication Date: 2015-03-18
FORD GLOBAL TECH LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such two-stage gas generator systems introduce cost penalties, significant packaging challenges, and add weight to the motor vehicle

Method used

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  • Vehicle side air curtain with controlled pressure chamber
  • Vehicle side air curtain with controlled pressure chamber
  • Vehicle side air curtain with controlled pressure chamber

Examples

Experimental program
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Embodiment Construction

[0033] For purposes of description herein, the terms "upper", "lower", "right", "left", "rear", "front", "vertical", "horizontal" and words derived therefrom shall be figure 1The orientations in are relevant to the present invention. It should be understood, however, that the invention may assume various alternative orientations and step sequences unless clearly indicated to the contrary. It should also be understood that the specific devices and processes illustrated in the drawings and described in the following specification are merely exemplary embodiments of the inventive concepts defined by the claims. Therefore, specific dimensions and other physical characteristics related to the embodiments disclosed herein are not to be considered as limiting, unless expressly stated otherwise in the claims.

[0034] refer to figure 1 , the motor vehicle 10 includes an interior passenger compartment 12 containing a front seat assembly 14 , a rear seat assembly 16 and an instrument ...

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Abstract

A vehicle side air curtain has an inflator, a main inflatable chamber, and an integral separate, self-contained controlled pressure chamber in limited fluid communication with the main inflatable chamber of the side air curtain and disposed for impact by the head and upper thoracic region of a vehicle occupant. The main inflatable chamber is inflated to an initial pressure within an initial impact time period immediately following actuation of the inflator and a second lower stabilized pressure thereafter to extend the duration of the pressurization of the main inflatable chamber of the side air curtain beyond the initial impact time period. The controlled pressure chamber of the side air curtain is inflated to an initial pressure substantially lower than the first pressure of the main inflatable chamber and favorable to side impact occupant protection immediately following actuation of the inflator pressure.

Description

technical field [0001] The present invention relates generally to a side air curtain for a motor vehicle that provides cushioning for occupants from projectiles ejected from the vehicle while optimizing side impact protection in the event of a vehicle side impact or rollover accident, and more particularly , relates to a side air curtain incorporating controllable pressure chambers that provide variable pressure chambers throughout the course of a crash event. Background technique [0002] Side air curtain systems for motor vehicles have been employed to cushion occupant projectiles in motor vehicle side impact or rollover accidents and are generally known in the art. Traditionally, such side air curtain systems have been used in conjunction with exterior motor vehicle components to manage and control motor vehicle impact and rollover accidents with external objects. In particular, Federal Motor Vehicle Safety Standard (FMVSS) No. 226 was enacted to address side impact and ...

Claims

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Application Information

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Patent Type & AuthorityApplications(China)
IPC IPC(8): B60R21/213B60R21/26
CPCB60R21/239B60R21/232B60R21/213
Inventor邓志兵塔赫米杜尔·拉赫曼帕迪普·库马尔·金达尔
OwnerFORD GLOBAL TECH LLC