Patent ID: 8360465

Claim:
A side impact airbag arrangement for a vehicle, comprising: an air cavity inside a door body of a vehicle door, the air cavity having an initial volume in an intact state and a reduced volume smaller than the initial volume after a side impact deforming the door body; an airbag cushion arranged in an airbag compartment adjacent to the air cavity, the airbag cushion having an interior configured to be filled with a gaseous medium from the air cavity to inflate the airbag cushion; at least one one-way valve between the air cavity and the interior of the airbag cushion, the at least one one-way valve allowing a flow of air from the air cavity into the interior of the airbag cushion to inflate the airbag cushion when a side impact deforms the air cavity from the initial volume to the reduced volume, and restricting the flow of air from the interior of the airbag cushion back to the air cavity.