Multi-chambered airbag with controlled pressure differentials
First Claim
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1. An airbag system comprising:
- an airbag comprising a center chamber and four peripheral chambers;
an inflator in fluid communication with the center chamber;
the center chamber in fluid communication with the four peripheral chambers via internal baffle vents,wherein each internal baffle vent comprises;
a center gas flow hole configured to remain open at all times and allow fluid to freely pass between the center chamber and one of the four peripheral chambers andone or more peripheral gas flow holes configured to open to allow fluid to freely pass from the center chamber to one of the four peripheral chambers and to close to prevent fluid from flowing from the one of the four peripheral chambers into the center chamber.
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Abstract
The present disclosure relates to a multi-chambered airbag system employing the use of baffle vents to achieve pressure differentials between the different chambers and methods of using the same.
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Citations
20 Claims
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1. An airbag system comprising:
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an airbag comprising a center chamber and four peripheral chambers; an inflator in fluid communication with the center chamber; the center chamber in fluid communication with the four peripheral chambers via internal baffle vents, wherein each internal baffle vent comprises; a center gas flow hole configured to remain open at all times and allow fluid to freely pass between the center chamber and one of the four peripheral chambers and one or more peripheral gas flow holes configured to open to allow fluid to freely pass from the center chamber to one of the four peripheral chambers and to close to prevent fluid from flowing from the one of the four peripheral chambers into the center chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A vehicle airbag comprising:
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internal baffle vents disposed between a central chamber and four adjacent peripheral chambers, wherein each internal baffle vent comprises an always open central fluid passage and a plurality of peripheral fluid passages, wherein the peripheral fluid passages are configured to allow fluid to flow freely from the central chamber to an adjacent peripheral chamber and prevent fluid from flowing from the adjacent peripheral chamber to the central chamber.
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Specification