Dynamic airbag venting
First Claim
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1. An airbag assembly, comprising:
- an airbag;
a duct having an duct opening for venting gas, said duct having a first position and a second position, said duct configured to direct less gas out of said airbag when in the second position than when in the first position; and
a tether that kinks about said duct to move said duct from the first position to the second position, wherein inflating causes said tether to kink about said duct, said tether contacting a radially outer surface of said duct when said duct is in the first position and said tether contacting said radially outer surface of said duct when said duct is in the second position.
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Abstract
An exemplary airbag assembly includes an airbag and a duct having an duct opening for venting gas. The duct has a first position and a second position. The duct is configured to direct less gas out of the airbag when in the second position than when in the first position. A tether kinks about the duct to move the duct from the first position to the second position. The inflating causes the tether to kink about the duct.
27 Citations
20 Claims
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1. An airbag assembly, comprising:
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an airbag; a duct having an duct opening for venting gas, said duct having a first position and a second position, said duct configured to direct less gas out of said airbag when in the second position than when in the first position; and a tether that kinks about said duct to move said duct from the first position to the second position, wherein inflating causes said tether to kink about said duct, said tether contacting a radially outer surface of said duct when said duct is in the first position and said tether contacting said radially outer surface of said duct when said duct is in the second position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An airbag assembly, comprising:
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an airbag providing an airbag interior; a duct, at least a portion of said duct moveable from a first position to a second position; and at least one clamping tether that clamps said portion of said duct to move said duct from the first position and the second position, wherein said duct directs more gas out of said airbag in the first position than in the second position, wherein said portion of said duct is within said airbag interior when said duct is in the first position and when said duct is in the second position. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17)
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18. An airbag inflation method, comprising:
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directing fluid outside an interior of an airbag using a duct; and inflating the airbag to clamp a tether about the duct to lessen said directing, wherein the tether is located exclusively within the interior of the airbag. - View Dependent Claims (19, 20)
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Specification