Side airbag device for vehicle
First Claim
1. A side airbag device for a vehicle, comprising:
- a side airbag having a high pressure chamber that becomes a high pressure side at a time of inflation and deployment, and a low pressure chamber that becomes a lower pressure than the high pressure chamber, the high pressure chamber and the low pressure chamber each inflating and deploying at a time of a side collision;
a partitioning wall that is formed by an end portion of an outer base cloth that is positioned at a seat transverse direction outer side of a vehicle seat, and an end portion of an inner base cloth that is positioned at a seat transverse direction inner side, the end portion of the outer base cloth and the end portion of the inner base cloth being part of either a high pressure chamber base cloth or a low pressure chamber base cloth, the end portion of the outer base cloth and the end portion of the inner base cloth being sewn together, the partitioning wall dividing the high pressure chamber and the low pressure chamber;
an inflator that, at a time of a side collision, jets-out gas for inflation from a gas jetting-out portion, and supplies gas to an interior of the side airbag; and
a check valve that is provided integrally with the partitioning wall, and that is formed by at least one of the outer base cloth or the inner base cloth extending toward a high pressure chamber side, at a seat rear side within the side airbag, and that permits flowing of gas, jetted-out from the gas jetting-out portion of the inflator, from the low pressure chamber to the high pressure chamber, and that regulates flowing of gas in an opposite direction.
1 Assignment
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Accused Products
Abstract
A side airbag having a high pressure chamber and a low pressure chamber divided by a sewn portion, a diffuser that distributes gas for inflation to the high pressure chamber and the low pressure chamber, and a check valve that regulates flowing of gas from a high pressure chamber side to a low pressure chamber side. A partitioning wall, that divides a lower chamber (high pressure chamber) and an upper chamber (low pressure chamber) within a side airbag, is structured by a portion of a lower base cloth (high pressure chamber base cloth) that structures the lower chamber or a portion of an upper base cloth (low pressure chamber base cloth) that structures the upper chamber. A check valve, that permits flowing of gas, jetted-out from a gas jetting-out portion of an inflator, from the upper chamber to the lower chamber and that regulates flowing of gas in an opposite direction, is provided integrally with the partitioning wall.
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Citations
12 Claims
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1. A side airbag device for a vehicle, comprising:
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a side airbag having a high pressure chamber that becomes a high pressure side at a time of inflation and deployment, and a low pressure chamber that becomes a lower pressure than the high pressure chamber, the high pressure chamber and the low pressure chamber each inflating and deploying at a time of a side collision; a partitioning wall that is formed by an end portion of an outer base cloth that is positioned at a seat transverse direction outer side of a vehicle seat, and an end portion of an inner base cloth that is positioned at a seat transverse direction inner side, the end portion of the outer base cloth and the end portion of the inner base cloth being part of either a high pressure chamber base cloth or a low pressure chamber base cloth, the end portion of the outer base cloth and the end portion of the inner base cloth being sewn together, the partitioning wall dividing the high pressure chamber and the low pressure chamber; an inflator that, at a time of a side collision, jets-out gas for inflation from a gas jetting-out portion, and supplies gas to an interior of the side airbag; and a check valve that is provided integrally with the partitioning wall, and that is formed by at least one of the outer base cloth or the inner base cloth extending toward a high pressure chamber side, at a seat rear side within the side airbag, and that permits flowing of gas, jetted-out from the gas jetting-out portion of the inflator, from the low pressure chamber to the high pressure chamber, and that regulates flowing of gas in an opposite direction. - View Dependent Claims (2, 3, 4)
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5. A side airbag device for a vehicle, comprising:
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a side airbag having a high pressure chamber that becomes a high pressure side at a time of inflation and deployment, and a low pressure chamber that becomes a lower pressure than the high pressure chamber, the high pressure chamber and the low pressure chamber each inflating and deploying at a time of a side collision; a partitioning wall that is formed by an end portion of a high pressure chamber base cloth, the end portion is positioned at a low pressure chamber side of a high pressure chamber outer base cloth, the high pressure chamber outer base cloth is positioned at a seat transverse direction outer side of a vehicle seat, the end portion of the high pressure chamber base cloth being sewn to a high pressure chamber inner base cloth that is part of the high pressure chamber base cloth, the high pressure chamber inner base cloth being positioned at a seat transverse direction inner side, the partitioning wall dividing the high pressure chamber and the low pressure chamber; an inflator that, at a time of a side collision, jets-out gas for inflation from a gas jetting-out portion, and supplies gas to an interior of the side airbag; and a check valve that is provided integrally with the partitioning wall, and that is formed by an extending portion toward a low pressure chamber side being provided at an end portion, the end portion is positioned at the low pressure chamber side of the high pressure chamber outer base cloth, the high pressure chamber outer base cloth being positioned at a seat rear side within the side airbag, the extending portion being folded-over toward a high pressure chamber side, and an end edge at a seat front side and an end edge at a seat rear side of the extending portion respectively being sewn to the high pressure chamber inner base cloth of the high pressure chamber base cloth that is positioned at the seat transverse direction inner side, the check valve permitting flowing of gas, jetted-out from the gas jetting-out portion of the inflator, from the low pressure chamber to the high pressure chamber, and regulating flowing of gas in an opposite direction. - View Dependent Claims (6, 7, 8)
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9. A side airbag device for a vehicle, comprising:
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a side airbag having a high pressure chamber that becomes a high pressure side at a time of inflation and deployment, and a low pressure chamber that becomes a lower pressure than the high pressure chamber, the high pressure chamber and the low pressure chamber each inflating and deploying at a time of a side collision; a partitioning wall that is formed by an end portion of a low pressure chamber base cloth the end portion is positioned at a high pressure chamber side of a low pressure chamber outer base cloth, a low pressure chamber outer base cloth being positioned at a seat transverse direction outer side of a vehicle seat and being sewn to a low pressure chamber inner base cloth that is part of the low pressure chamber base cloth and is positioned at a seat transverse direction inner side, the partitioning wall dividing the high pressure chamber and the low pressure chamber; an inflator that, at a time of a side collision, jets-out gas for inflation from a gas jetting-out portion, and supplies gas to an interior of the side airbag; and a check valve that is provided integrally with the partitioning wall, and that is formed by an extending portion toward a high pressure chamber side being provided at an end portion at the high pressure chamber side of the low pressure chamber outer base cloth, the check valve being located at a seat rear side within the side airbag, an end edge at a seat front side and an end edge at a seat rear side of the extending portion respectively being sewn to a high pressure chamber inner base cloth that is part of the high pressure chamber base cloth, the high pressure chamber base cloth is positioned at the seat transverse direction inner side, the check valve permitting flowing of gas, jetted-out from the gas jetting-out portion of the inflator, from the low pressure chamber to the high pressure chamber, and regulating flowing of gas in an opposite direction. - View Dependent Claims (10, 11, 12)
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Specification