US 12,454,236 B2
Airbag apparatus
Isamu Nagasawa, Tokyo (JP)
Assigned to SUBARU CORPORATION, Tokyo (JP)
Filed by SUBARU CORPORATION, Tokyo (JP)
Filed on Mar. 11, 2022, as Appl. No. 17/692,404.
Claims priority of application No. 2021-054746 (JP), filed on Mar. 29, 2021.
Prior Publication US 2022/0306025 A1, Sep. 29, 2022
Int. Cl. B60R 19/20 (2006.01); B60R 21/0134 (2006.01); B60R 21/2165 (2011.01); B60R 21/36 (2011.01); B60R 21/00 (2006.01); B60R 21/01 (2006.01)
CPC B60R 19/205 (2013.01) [B60R 21/0134 (2013.01); B60R 21/2165 (2013.01); B60R 21/36 (2013.01); B60R 2021/0004 (2013.01); B60R 2021/01013 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An airbag apparatus to be applied to a vehicle, the airbag apparatus comprising:
an airbag configured to be deployed forward of a front of a vehicle body of the vehicle;
a collision determiner configured to establish a pre-crash determination in a case where a collision probability is equal to or higher than a predetermined threshold;
an airbag deployment controller configured to, in response to the pre-crash determination, give to an inflator a command to supply deployment gas to the airbag and deploy the airbag;
a vent controller configured to open and close a vent passage configured to discharge the deployment gas from the airbag; and
an energy absorption state detector configured to detect a state of energy absorption by the airbag,
wherein the vent controller is configured to open the vent passage at an early stage of collision with a collision object, and subsequently, reduce an opening degree of the vent passage in a case where the energy absorption state detector detects a completion of predetermined energy absorption.