Asymmetrically Expanding Airbag Cushion for Vehicle

An asymmetrically expanding an airbag cushion for a vehicle, which is inflated when airbag gas flows from an inflator through a gas hole to an interior of a cushion bag as a result of a vehicle collision, the airbag cushion comprising:

• a central expansion portion provided on a central portion of the cushion bag in such a way as to communicate with the gas hole;
• a lower expansion portion surrounded by a lower sewing line which is open at a lower portion thereof, and positioned under the central expansion portion, wherein the lower expansion portion is spaced form the gas hole in a predetermined distance therebetween in a vertical direction of the cushion bag;
• and
• an upper expansion portion surrounded by an upper sewing line which is open at an upper portion thereof, and positioned above the central expansion portion, wherein the upper expansion portion is spaced form the gas hole in a predetermined distance therebetween in the vertical direction of the cushion bag,
• wherein the central expansion portion, the lower expansion portion, and the upper expansion portion are sequentially inflated when the airbag gas flows into the cushion bag.