EXTERIOR AIRBAG CUSHION FOR VEHICLE AND DEVICE HAVING THE SAME
First Claim
Patent Images
1. An exterior airbag cushion for a vehicle comprising:
- a cushion unit that surrounds a forward portion of a bumper upon a vehicle collision, the exterior airbag cushion; and
a shape memory wire coupled to the cushion unit and configured to extend along an outer edge of the cushion unit and thus deploy the cushion unit, wherein the shape memory wire is restored to a memorized shape corresponding to a shape of the cushion unit which has expanded fully when a temperature in the cushion unit equals or exceeds a predetermined temperature.
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Abstract
An exterior airbag cushion for a vehicle is constructed so that a cushion unit is rapidly expanded ahead of a vehicle and a device having the exterior airbag cushion. The exterior airbag device includes a plurality of airbag housings which are mounted to a vehicle bumper, a cushion unit which is accommodated in the airbag housings and expanded ahead of the vehicle bumper, a shape memory wire which extends along the edge of the cushion unit, and an inflator which supplies airbag gas to provide an expansionary force.
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Citations
19 Claims
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1. An exterior airbag cushion for a vehicle comprising:
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a cushion unit that surrounds a forward portion of a bumper upon a vehicle collision, the exterior airbag cushion; and a shape memory wire coupled to the cushion unit and configured to extend along an outer edge of the cushion unit and thus deploy the cushion unit, wherein the shape memory wire is restored to a memorized shape corresponding to a shape of the cushion unit which has expanded fully when a temperature in the cushion unit equals or exceeds a predetermined temperature. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An exterior airbag device for a vehicle, comprising:
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an airbag housing mounted to a vehicle bumper; a cushion unit accommodated in the airbag housings and configured to expand ahead of the vehicle bumper; a shape memory wire extending along an outer edge of the cushion unit to deploy the cushion unit; and an inflator supplying airbag gas to provide an expansionary force to the cushion unit. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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Specification