Air bag inflator gas venting system
First Claim
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1. An air bag module comprising:
- an air bag canister having at least one side wall, the at least one side wall having at least one gas channel port therein to communicate with ambient air pressure;
an air bag cushion attached to the canister;
an inflator attached to the air bag canister for providing gas;
a deployment door attached to the canister;
a structural gas channel pivotally connected to the side wall proximate to the gas channel port and configured to communicate with the at least one gas channel port to provide venting of gas provided by the inflator to the ambient air when the air bag cushion is in a substantially non-deployed condition; and
a venting system connecting the structural gas channel to the at least one gas channel port and operative to prevent venting of gas through the gas channel port from the canister when the air bag cushion is in a substantially deployed condition.
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Abstract
An air bag module for venting inflation gas if an out-of-position vehicle occupant is too close to the module for proper air bag deployment. The module has an air bag canister comprising a side wall having gas channel port to communicate with the ambient air, an inflator, an air bag cushion, a deployment door, a structural gas channel, and a venting system connecting the structural gas channel to the at least one gas channel port. The venting system permits venting of gas through the gas channel port when the out-of-position occupant applies sufficient force on the deployment door to prevent the air bag cushion from reaching a fully deployed condition.
157 Citations
5 Claims
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1. An air bag module comprising:
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an air bag canister having at least one side wall, the at least one side wall having at least one gas channel port therein to communicate with ambient air pressure;
an air bag cushion attached to the canister;
an inflator attached to the air bag canister for providing gas;
a deployment door attached to the canister;
a structural gas channel pivotally connected to the side wall proximate to the gas channel port and configured to communicate with the at least one gas channel port to provide venting of gas provided by the inflator to the ambient air when the air bag cushion is in a substantially non-deployed condition; and
a venting system connecting the structural gas channel to the at least one gas channel port and operative to prevent venting of gas through the gas channel port from the canister when the air bag cushion is in a substantially deployed condition. - View Dependent Claims (2, 3, 4)
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5. An air bag module comprising:
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an air bag canister having at least one side wall, the at least one side wall having a gas channel port to communicate with ambient air pressure;
an air bag cushion attached to the canister;
an inflator attached to the canister for providing gas;
a deployment door attached to the canister;
a structural gas channel to communicate with the gas channel port and to provide venting of the gas provided by the inflator;
a non-porous fabric gas channel pivotally connecting the structural gas channel to the side wall proximate the gas channel port to provide a passageway from the inflator to ambient air pressure; and
a tether connecting the air bag cushion to the structural gas channel.
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Specification
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Current AssigneeFord Global Technologies, LLC (Ford Motor Company)
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Original AssigneeFord Global Technologies, LLC (Ford Motor Company)
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InventorsSole, Fred Leslie, Quade, Marshall Lawrence, Short, Chris John
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Primary Examiner(s)English, Peter C.
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Application NumberUS10/117,153Publication NumberTime in Patent Office795 DaysField of Search280/739, 280/736, 280/738, 280/742, 280/743.2US Class Current280/736CPC Class CodesB60R 2021/2765 comprising means to control...B60R 21/276 with means to vent the infl...
