US 12,269,413 B1
Active control of anti-submarining automotive protective devices
Stephen Taylor, Auburn Hills, MI (US); Russ Gans, Auburn Hills, MI (US); Changsoo Choi, Auburn Hills, MI (US); and Tim Whited, Auburn Hills, MI (US)
Assigned to Autoliv ASP, Inc., Ogden, UT (US)
Filed by Autoliv ASP, Inc., Ogden, UT (US)
Filed on Apr. 19, 2024, as Appl. No. 18/641,210.
Int. Cl. B60R 21/233 (2006.01); B60R 21/00 (2006.01); B60R 21/01 (2006.01); B60R 21/015 (2006.01); B60R 21/231 (2011.01); B60R 21/2338 (2011.01)
CPC B60R 21/233 (2013.01) [B60R 21/01 (2013.01); B60R 21/01512 (2014.10); B60R 21/2338 (2013.01); B60R 2021/0034 (2013.01); B60R 2021/01238 (2013.01); B60R 2021/01286 (2013.01); B60R 2021/23107 (2013.01); B60R 2021/23308 (2013.01); B60R 2021/23324 (2013.01); B60R 2021/23384 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An airbag assembly, comprising:
an inflator to supply inflation gas; and
an airbag cushion configured to expand and deploy toward a seating position of a vehicle, the airbag cushion comprising:
a main chamber;
a secondary chamber coupled to the main chamber, wherein the secondary chamber is separated from the main chamber by a panel including two vents to allow the inflation gas to pass from the main chamber into the secondary chamber; and
a tether passing through the main chamber into the secondary chamber through the two vents, wherein the tether splits into two segments before the panel such that the two segments each pass through a respective vent of the two vents, and wherein the tether is configured to be released to allow the secondary chamber to be inflated.