Roof airbag apparatus
First Claim
Patent Images
1. A roof airbag apparatus, comprising:
- a roof airbag cushion disposed in a folded state in a panorama roof and configured to inflate and deploy as gas is supplied from an inflator; and
a diffuser disposed in the roof airbag cushion and configured to guide a deployment of the roof airbag cushion in a width direction of a vehicle when the roof airbag cushion is inflated,wherein;
the diffuser comprises;
a partition wall part disposed on a rear side of the diffuser and configured to block gas supplied from the inflator from flowing to the rear side of the vehicle; and
a gas discharge part connected with the partition wall part and configured to extend in the width direction of the vehicle and form flow paths of gas;
the roof airbag cushion comprises;
a leading deployment part having the diffuser disposed therein, and configured to inflate and deploy by gas supplied from the inflator; and
a trailing deployment part connected with the leading deployment part and configured to inflate and deploy within a time interval from the leading deployment part; and
the leading deployment part comprises;
a first chamber portion having the diffuser disposed therein and configured to deploy in the width direction of the vehicle;
a second chamber portion connected with the first chamber portion and configured to deploy from the first chamber portion toward the rear side of the vehicle;
a third chamber portion connected with and disposed inside the second chamber portion and configured to deploy from the second chamber portion toward a front side of the vehicle; and
a fourth chamber portion connected with and disposed inside the third chamber portion and configured to deploy from the third chamber portion toward the rear side of the vehicle.
1 Assignment
0 Petitions
Accused Products
Abstract
A roof airbag apparatus includes a roof airbag cushion disposed in a folded state in a panorama roof and configured to inflate and deploy as gas is supplied from an inflator; and a diffuser disposed in the roof airbag cushion and configured to guide a deployment of the roof airbag cushion in a width direction of a vehicle when the roof airbag cushion is inflated.
46 Citations
11 Claims
-
1. A roof airbag apparatus, comprising:
-
a roof airbag cushion disposed in a folded state in a panorama roof and configured to inflate and deploy as gas is supplied from an inflator; and a diffuser disposed in the roof airbag cushion and configured to guide a deployment of the roof airbag cushion in a width direction of a vehicle when the roof airbag cushion is inflated, wherein; the diffuser comprises; a partition wall part disposed on a rear side of the diffuser and configured to block gas supplied from the inflator from flowing to the rear side of the vehicle; and a gas discharge part connected with the partition wall part and configured to extend in the width direction of the vehicle and form flow paths of gas; the roof airbag cushion comprises; a leading deployment part having the diffuser disposed therein, and configured to inflate and deploy by gas supplied from the inflator; and a trailing deployment part connected with the leading deployment part and configured to inflate and deploy within a time interval from the leading deployment part; and the leading deployment part comprises; a first chamber portion having the diffuser disposed therein and configured to deploy in the width direction of the vehicle; a second chamber portion connected with the first chamber portion and configured to deploy from the first chamber portion toward the rear side of the vehicle; a third chamber portion connected with and disposed inside the second chamber portion and configured to deploy from the second chamber portion toward a front side of the vehicle; and a fourth chamber portion connected with and disposed inside the third chamber portion and configured to deploy from the third chamber portion toward the rear side of the vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
Specification