| 摘要 |
An airbag includes a seam, which divides the airbag into an upper chamber and a lower chamber. An inner tube is provided inside the airbag such that openings are each located in one of the chambers. An inflator is inserted in the inner tube such that gas blown out from a gas port is oriented toward the lower chamber. A gap formed between an outer circumferential surface of the inflator and an inner circumferential surface of the inner tube during inflation and deployment of the airbag connects the upper chamber to the lower chamber.
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