Dynamic airbag venting
First Claim
Patent Images
1. An airbag assembly, comprising:
- an airbag;
a duct having an duct opening for venting gas outside the airbag;
a flap attached directly to the duct and moveable from a first position to a second position, the duct configured to direct more gas outside the airbag when the flap is in the first position than when the flap is in the second position; and
a tether configured to move the flap from the first position to the second position.
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Abstract
An example airbag assembly an airbag, a duct having an duct opening for venting gas outside the airbag, and a flap moveable from a first position to a second position. The duct is configured to direct more gas outside the airbag when the flap is in the first position than when the flap is in the second position. A tether is configured to move the flap from the first position to the second position.
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Citations
18 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 outside the airbag; a flap attached directly to the duct and moveable from a first position to a second position, the duct configured to direct more gas outside the airbag when the flap is in the first position than when the flap is in the second position; and a tether configured to move the flap from the first position to the second position. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An airbag assembly, comprising:
an airbag; a duct having an duct opening for venting gas, the duct having a first position and a second position, the duct configured to direct less gas out of the airbag when in the second position than when in the first position; and a tether that moves a flap on the duct to move the duct from the first position to the second position, wherein inflating causes the tether to move the flap, the tether interfacing with the duct exclusively through the flap. - View Dependent Claims (8, 9, 10, 11, 12)
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13. An airbag assembly, comprising:
an airbag; a duct; and at least one tether for moving a portion of the duct to move the duct from a first position to a second position, the portion of the duct secured to other portions of the duct when the duct is in the first position, wherein the duct directs gas out of the airbag in the first position and wherein the duct directs less gas out of the airbag in the second position, the portion of the duct covers more of an aperture in the duct when the duct is in the first position than when the duct is in the second position, wherein gas moves through the aperture from the duct to an interior of the airbag. - View Dependent Claims (14, 15)
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16. 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 move a flap secured to the duct to lessen the directing, wherein inflating the airbag moves the flap between a first position that blocks flow from the duct to the interior of the airbag, and a second position that blocks less flow from the duct to the interior of the airbag. - View Dependent Claims (17, 18)
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Specification