Airbag restraint system
First Claim
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1. A restraint system comprising:
- a curtain airbag having an outboard layer and an inboard layer defining a first inflation chamber therebetween;
an extension layer fixed to the inboard layer and defining a second inflation chamber between the extension layer and the inboard layer; and
an inflator in communication with the first and second inflation chambers;
wherein the first and second inflation chambers are fluidly isolated from each other and are inflatable to an inflated position; and
when the second inflation chamber is in the inflated position, the extension layer includes a depression and a raised area completely surrounding the depression, the depression being closer to the inboard layer than the raised area is to the inboard layer.
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Abstract
A restraint system includes a curtain airbag having an outboard layer and an inboard layer, an extension layer fixed to the inboard layer, and an inflator. The outboard and inboard layers define a first inflation chamber therebetween. The extension layer defines a second inflation chamber between the extension layer and the inboard layer. The inflator is in communication with the first and second inflation chambers. The first and second inflation chambers are fluidly isolated from each other.
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Citations
20 Claims
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1. A restraint system comprising:
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a curtain airbag having an outboard layer and an inboard layer defining a first inflation chamber therebetween; an extension layer fixed to the inboard layer and defining a second inflation chamber between the extension layer and the inboard layer; and an inflator in communication with the first and second inflation chambers; wherein the first and second inflation chambers are fluidly isolated from each other and are inflatable to an inflated position; and when the second inflation chamber is in the inflated position, the extension layer includes a depression and a raised area completely surrounding the depression, the depression being closer to the inboard layer than the raised area is to the inboard layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A vehicle comprising:
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a window; a roof rail extending along the window; and an airbag having first and second inflation chambers and inflatable from an uninflated position disposed along the roof rail to an inflated position with the first inflation chamber adjacent the window; wherein the first and second inflation chambers share a common panel and are fluidly isolated from each other; the second inflation chamber is defined by the common panel and an extension layer; and when the second inflation chamber is in the inflated position, the extension layer includes a depression and a raised area completely surrounding the depression, the depression being closer to the common panel than the raised area is to the common panel. - View Dependent Claims (17, 18, 19, 20)
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Specification