Head protecting airbag system
First Claim
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1. A head protecting airbag system comprising:
- an inflator that is activated, upon at least one of a side collision and a rollover of a vehicle, to inject gas;
an airbag that includes;
a gas supply path connected to the inflator;
an inflation section that is constituted by a first cell that includes a first top opening which is communicably connected with the gas supply path, a second cell that includes a second top opening which is communicably connected with the gas supply path, and a third cell that includes a communicating part that introduces gas into the third cell from only the second cell, the inflation section being connected to the gas supply path and being located on a passenger compartment side of a side window opening to protect the head of an occupant in a deployed state;
a vertical cell that extends in the vehicle height direction and is provided at the rear of a pillar of the vehicle, the vertical cell extending in the vehicle height direction, an upper end of the vertical cell being communicably connected to only the gas supply path, a sectional area of the vertical cell in the deployed state being smaller than each sectional area of the first cell, the second cell and the third cell, when viewed in the vehicle height direction;
a horizontal cell that is provided in a vehicle longitudinal direction below the inflation section, and that is deployed to an area of the passenger compartment below the side window opening after the inflation section is deployed, the horizontal cell being communicably connected with the vertical cell through a bottom end of the vertical cell,wherein the airbag is folded up in a vehicle height direction and stored along a roof side rail section of the vehicle, and is deployed downward along a side of a vehicle body in a passenger compartment when inflated by gas from the inflator.
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Abstract
A vertical cell is formed in a forward inflation section of an airbag. The vertical cell extends in a vehicle height direction at the rear of a pillar, and communicates through a bottom end of the vertical cell with a horizontal cell. When the inflation section is deployed, the folded horizontal cell or the lower side part of the airbag is pulled back toward the passenger compartment with respect to the side window opening. Accordingly, the horizontal cell deploys to an area below a bottom edge of the side window opening or a beltline in the passenger compartment on the inner side of a front side door.
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Citations
20 Claims
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1. A head protecting airbag system comprising:
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an inflator that is activated, upon at least one of a side collision and a rollover of a vehicle, to inject gas; an airbag that includes; a gas supply path connected to the inflator; an inflation section that is constituted by a first cell that includes a first top opening which is communicably connected with the gas supply path, a second cell that includes a second top opening which is communicably connected with the gas supply path, and a third cell that includes a communicating part that introduces gas into the third cell from only the second cell, the inflation section being connected to the gas supply path and being located on a passenger compartment side of a side window opening to protect the head of an occupant in a deployed state; a vertical cell that extends in the vehicle height direction and is provided at the rear of a pillar of the vehicle, the vertical cell extending in the vehicle height direction, an upper end of the vertical cell being communicably connected to only the gas supply path, a sectional area of the vertical cell in the deployed state being smaller than each sectional area of the first cell, the second cell and the third cell, when viewed in the vehicle height direction; a horizontal cell that is provided in a vehicle longitudinal direction below the inflation section, and that is deployed to an area of the passenger compartment below the side window opening after the inflation section is deployed, the horizontal cell being communicably connected with the vertical cell through a bottom end of the vertical cell, wherein the airbag is folded up in a vehicle height direction and stored along a roof side rail section of the vehicle, and is deployed downward along a side of a vehicle body in a passenger compartment when inflated by gas from the inflator. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification