Abstract: A roof airbag apparatus may include: a cushion configured to cover a roof when deployed; a pair of guides having a length in the deployment direction of the cushion, and configured to guide both sides of the cushion in the deployment direction; and a deployment resistance reducer having a connector connected to one end of each of the guides so as to apply an elastic force from a first location toward the rear, wherein the connector is moved to a second location in a front of the first location by frictional resistance which is applied to the guide when the cushion is deployed.

Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.

Abstract: A roof airbag for vehicles is proposed. The roof airbag includes: a main chamber configured to be deployed as gas is introduced therein through a diffuser; an overlap chamber into which the gas is introduced and configured to be deployed into a shape that overlaps the main chamber around the diffuser; and a support chamber into which the gas is introduced and configured to be deployed while overlapping a roof frame.

Abstract: A roof airbag for vehicles is proposed. The roof airbag includes: a main chamber configured to be deployed as gas is introduced therein through a diffuser; and an overlap chamber into which the gas may be introduced and configured to be deployed into a shape that overlaps the main chamber around the diffuser.

Abstract: A roof air bag apparatus for a vehicle includes a roof air bag cushion protecting a passenger, and the roof air bag cushion can be separated into a front air bag cushion and a rear air bag cushion. In particular, the front air bag cushion and the rear air bag cushion are unfolded into a space between a front passenger and a rear passenger in a face-to-face mode at the time of occurrence of a car accident, such that the unfolded front air bag cushion protects the front passenger by absorbing an impact force, and the unfolded rear air bag cushion protects the rear passenger by absorbing an impact force.

Abstract: A roof airbag apparatus may include: a first-row deployment part deployed from the front to the rear of a roof so as to cover a front area, when gas is supplied from a gas supply part; a second-row deployment part coupled to a front end of the first-row deployment part so as to communicate with the first-row deployment part, and configured to cover a rear area which is deployed to the rear when the first-row deployment part is deployed; and an auxiliary deployment part coupled to a top or bottom surface of the first-row deployment part so as to communicate with the first-row deployment part, and configured to increase/decrease the top-to-bottom thickness of the first-row deployment part, when deployed.

Abstract: A high-entropy alloy with a low specific gravity includes Fe: 16.7 to 25 at %, Cr: 10.5 to 20.6 at %, Al: 12.7 to 18 at %, remaining Ni, and impurities. The high-entropy alloy includes microstructures of a body-centered cubic (BCC) and a face-centered cubic (FCC) formed together, wherein a fraction of the FCC of the high-entropy alloy is 50 to 80%.

Abstract: A roof airbag for a vehicle includes: an airbag cushion located at a roof panel of the vehicle and configured to be unfolded from a first side portion to a second side portion of the roof panel during an operation of the airbag cushion; a first seam portion extended in a direction intersected with an unfolded direction of the airbag cushion and allowing upper and lower surfaces of the airbag cushion to be in contact with each other; and an inflator coupled to the first side portion of the roof panel, and connected to the airbag cushion and configured to inject gas into the airbag cushion so as to allow the airbag cushion to be unfolded from the first side portion to the second side portion of the roof panel.

Abstract: A rooftop airbag apparatus including: a first cushion deployed along a ceiling of a vehicle body; a second cushion connected to the first cushion and deployed toward a bottom of the vehicle body; and a third cushion connected to the second cushion and deployed in a widthwise direction of the vehicle body.

Abstract: An airbag of a sunroof for a vehicle is proposed. The airbag includes: a roof panel for a vehicle with the sunroof; an airbag module positioned at a lower portion of the roof panel and securely coupled to the roof panel; and a head lining positioned while being spaced downward from the roof panel, and fixed to a lower portion of the airbag module.

Abstract: A roof airbag apparatus may include: a cushion configured to cover a roof when deployed; a pair of guides having a length in the deployment direction of the cushion, and configured to guide both sides of the cushion in the deployment direction; and a deployment resistance reducer having a connector connected to one end of each of the guides so as to apply an elastic force from a first location toward the rear, wherein the connector is moved to a second location in a front of the first location by frictional resistance which is applied to the guide when the cushion is deployed.

Abstract: A behavior control airbag apparatus including: a floating cushion disposed in a seating part of a seat, and configured to push up a passenger on the seating part while deployed by gas injected by an inflator; and a behavior cushion disposed eccentrically on an outboard side of the floating cushion, and configured to push up the outboard side of the passenger according to the injection of the gas, such that the passenger is inclined to an inboard side.

Abstract: A roof airbag for a vehicle including deployment guides configured to extend in forward and backward directions of a vehicle and disposed to be spaced laterally apart from each other, an inflator located between the deployment guides spaced apart from each other and configured to discharge gas therefrom during operation thereof, and a cushion located between the deployment guides spaced apart from each other, deployed in an extension direction of the deployment guides and including a deployment chamber configured to be deployed while the gas discharged from the inflator flows thereinto and delay chambers configured such that the gas flows thereinto in a deployed state thereof.

Abstract: An airbag device for a panorama roof including: a panorama roof; a blind disposed under the panorama roof, and configured to open/close the panorama roof; and a roof airbag embedded in a head liner, and deployed under the blind so as to cover the panorama roof

Abstract: An airbag device for a panorama roof may include: a roller disposed under a panorama roof and having a blind wound therearound, the blind serving to cover the panorama roof; a head liner covering the roller; an inflator disposed at sides of the panorama roof; a guide tunnel connected to the inflator to guide gas; and a cushion connected to the guide tunnel, and deployed by gas guided through the guide tunnel so as to cover the panorama roof.

Abstract: A roof airbag apparatus may include: a deployment guide part mounted on a sunshine roof part of a vehicle; a cushion part mounted in the sunshine roof part, and deployed in a longitudinal direction of the deployment guide part; and an inflator part mounted in the cushion part, and configured to discharge gas to the cushion part in case of a collision of the vehicle.

Abstract: A roof airbag apparatus may include: a first-row deployment part deployed from the front to the rear of a roof so as to cover a front area, when gas is supplied from a gas supply part; a second-row deployment part coupled to a front end of the first-row deployment part so as to communicate with the first-row deployment part, and configured to cover a rear area which is deployed to the rear when the first-row deployment part is deployed; and an auxiliary deployment part coupled to a top or bottom surface of the first-row deployment part so as to communicate with the first-row deployment part, and configured to increase/decrease the top-to-bottom thickness of the first-row deployment part, when deployed.

Abstract: An airbag device for a panorama roof may include: a roller disposed under a panorama roof and having a blind wound therearound, the blind serving to cover the panorama roof; a head liner covering the roller; an inflator disposed between the panorama roof and the roller; a guide tunnel connected to the inflator to guide gas; and a cushion connected to the guide tunnel, and deployed by gas guided through the guide tunnel so as to cover the panorama roof.

Abstract: A roof airbag apparatus may include: a cushion having an inlet through which gas discharged from an inflator is introduced; a plurality of tethers connected to the cushion, and arranged along the edge of the cushion so as to be separated from each other; a plurality of steel tabs each having a connection hole formed therein; and a tether guide installed in a pillar shape through the connection holes, and supporting the cushion. The tethers may be connected to the cushion through the respective connection holes.

Abstract: A rooftop airbag apparatus including: a first cushion deployed along a ceiling of a vehicle body; a second cushion connected to the first cushion and deployed toward a bottom of the vehicle body; and a third cushion connected to the second cushion and deployed in a widthwise direction of the vehicle body.