FIELD: transportation.
SUBSTANCE: group of inventions relates to embodiments of a vehicle airbag. Airbag comprises a primary chamber, a secondary chamber affixed to the primary chamber, and a passage between the primary chamber and the secondary chamber and a one-way valve disposed in the passage, and a controller for opening the one-way valve. Primary chamber is configured to contact at least two reaction surfaces, and the secondary chamber is configured to contact one and only one of the at least two reaction surfaces, when the airbag is inflated upon detection of an impact.
EFFECT: higher safety.
20 cl, 14 dwg
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