Airbag Cushion with Multiple Chambers
First Claim
Patent Images
1. An airbag cushion with multiple chambers comprising:
- an inner chamber that is connected to directly receive inflation gas from an inflator; and
a first chamber and a second chamber that are connected to the inner chamber to respectively receive the inflation gas from the inner chamber;
wherein at least one vent hole is formed on a boundary of the inner chamber such that the amount of inflation gas supplied to the second chamber is larger than the amount of inflation gas supplied to the first chamber.
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Accused Products
Abstract
An airbag cushion has multiple chambers of which the expansion order and speed are controlled. The airbag cushion can expand in a predetermined order at a predetermined speed to optimally protect a passenger. Therefore, the airbag cushion can rapidly expand between the steering wheel and the passenger, without injuring the passenger.
23 Citations
19 Claims
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1. An airbag cushion with multiple chambers comprising:
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an inner chamber that is connected to directly receive inflation gas from an inflator; and a first chamber and a second chamber that are connected to the inner chamber to respectively receive the inflation gas from the inner chamber; wherein at least one vent hole is formed on a boundary of the inner chamber such that the amount of inflation gas supplied to the second chamber is larger than the amount of inflation gas supplied to the first chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 14, 17)
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11. An airbag cushion with multiple chambers, comprising:
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an inner chamber that is connected to directly receive inflation gas from an inflator; and a first chamber and a second chamber that are connected to the inner chamber to respectively receive the inflation gas from the inner chamber; wherein first inner vent holes and second inner vent holes having the same size are formed on the boundary of the inner chamber to supply inflation gas into the first chamber and the second chamber, respectively; the first chamber and the second chamber are disposed at both left and right sides of the airbag cushion; and the inner chamber runs from the top to the bottom of the airbag cushion between the first chamber and the second chamber. - View Dependent Claims (18)
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13. An airbag cushion with multiple chambers comprising
a first cushion sheet and a second cushion sheet attached to form a cushion space therein; - and
two inner chambers are formed by depressing along a first axis crossing the center of the first cushion sheet and then along a second axis crossing the center of the first cushion sheet and running perpendicular to the first axis; wherein the cushion space is divided into four spaces by the two inner chambers perpendicularly crossing each other; the inner chambers are connected to directly receive inflation gas from an inflator; and the four spaces divided by the two inner chambers receive the inflation gas from the inner chambers. - View Dependent Claims (12, 15, 16, 19)
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Specification