Air bag apparatus
First Claim
Patent Images
1. An air bag apparatus comprising:
- an air bag that is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator that is disposed outside the air bag and is arranged in a center portion along a longitudinal direction of a vehicle so as to protect a head portion of an occupant, the air bag being provided with an inflating portion for a front seat and an inflating portion for a rear seat;
a gas passage for communicating upper portions of both of the inflating portions;
a single gas supply port that opens into the gas passage from above; and
a shower head for dispersing the gas supplied from the inflator in a plurality of directions and being disposed so as to face the gas supply port of the air bag, the shower head having a plurality of injection holes which are directed in the plurality of directions.
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Abstract
In an air bag apparatus structured such that an air bag (11) housed in a part of a vehicle in a folded manner is inflated and deployed by a gas supplied from an inflator (14) so as to protect an occupant, the gas supplied from the inflator (14) is dispersed in a three-dimensional direction by a shower head (13a) so as to be supplied to a gas passage (11b) of the air bag (11).
12 Citations
44 Claims
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1. An air bag apparatus comprising:
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an air bag that is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator that is disposed outside the air bag and is arranged in a center portion along a longitudinal direction of a vehicle so as to protect a head portion of an occupant, the air bag being provided with an inflating portion for a front seat and an inflating portion for a rear seat; a gas passage for communicating upper portions of both of the inflating portions; a single gas supply port that opens into the gas passage from above; and a shower head for dispersing the gas supplied from the inflator in a plurality of directions and being disposed so as to face the gas supply port of the air bag, the shower head having a plurality of injection holes which are directed in the plurality of directions. - View Dependent Claims (2, 3, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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4. An air bag apparatus comprising:
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an air bag that is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator so as to protect a head portion of an occupant, the air bag being provided with an inflating portion for a front seat and an inflating portion for a rear seat and a gas passage for communicating upper portions of both of the inflating portions; and a shower head for dispersing the gas supplied from the inflator in a forward, rearward and downward directions and being disposed so as to face the gas passage of the air bag, the shower head having a plurality of injection holes which are directed in the forward, rearward and downward directions, the forward direction being opposite to the rearward direction and the downward direction being perpendicular to the forward and rearward directions, wherein opening areas of an injection hole for the front seat and an injection hole for the rear seat provided in the shower head are set according to capacities of expansion chambers in the front seat inflating portion and the rear seat inflating portion. - View Dependent Claims (29, 30, 31, 32, 33, 34)
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44. An air bag apparatus comprising:
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an air bag that is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator that is disposed outside the air bag and is arranged in a center portion along a longitudinal direction of the vehicle so as to protect a head portion of an occupant, the air bag being provided with an inflating portion for a front seat and an inflating portion for a rear seat; a gas passage for communicating upper portions of both of the inflating portions; a single gas supply port that opens into the gas passage from above; and a shower head for dispersing the gas supplied from the inflator in at least three directions and being disposed so as to face the gas supply port of the air bag, the shower head having a plurality of injection holes which are directed in the three directions, the three directions including a forward direction toward a front of the vehicle, a rearward direction toward a rear of the vehicle, and a downward direction.
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Specification