VEHICLE AIRBAG SYSTEM

• US 20140361521A1
• Filed: 12/29/2011
• Published: 12/11/2014
• Est. Priority Date: 12/29/2011
• Status: Active Grant

• Current Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Original Assignee: Toyota Jidosha Kabushiki Kaisha (Toyota Motor Corporation)
• Inventors: Fukawatase, Osamu
• Granted Patent: US 9,527,469 B2
• Time in Patent Office: Days
• US Class Current: 280/730.1
• CPC Class Codes: B60R 2021/0023 Offset collision
• CPC Class Codes: B60R 2021/0048 Head
• CPC Class Codes: B60R 2021/23107 the bag being integrated in a multi-bag system
• CPC Class Codes: B60R 21/013 including means for detecting collisions, impending collisions or roll-over
• CPC Class Codes: B60R 21/0136 responsive to actual contact with an obstacle , e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle monitoring crash strength in combination with passenger seat detection B60R21/01558
• CPC Class Codes: B60R 21/01552 detecting position of specific human body parts, e.g. face, eyes or hands
• CPC Class Codes: B60R 21/231 characterised by their shape, construction or spatial configuration

Abstract

A vehicle airbag system (10) includes a front passenger side airbag (40) that is stored on a front passenger seat (28) side of an instrument panel 26, and that inflates and deploys toward the front passenger seat (28) side by a first inflator (38) being activated and gas being supplied; a curtain airbag (62) that is stored between a roof side rail portion (56) and a roof head lining (58), and that is inflated and deployed to an inside of a front side door (88) by a second inflator (64) being activated and gas being supplied; and a controller (82) that is connected to the first inflator (38) and the second inflator (64), and that, when a small overlap collision occurs, activates the first inflator (38), and then after inflation and deployment of the front passenger side airbag (40) is complete, activates the second inflator (64).

Claims

1. A vehicle airbag system comprising:

a front passenger side airbag that is stored on a front passenger seat side of an instrument panel, and that inflates and deploys toward the front passenger seat side by a first inflator being activated and gas being supplied;

a curtain airbag that is stored between a roof side rail portion and a roof head lining, and that is inflated and deployed inward with respect to a side door in a vehicle width direction by a second inflator being activated and gas being supplied;

a controller that is connected to the first inflator and the second inflator, and that, when a small overlap collision occurs, activates the first inflator, and then after inflation and deployment of the front passenger side airbag is complete, activates the second inflator; and

a side airbag that is stored in a door trim or a side portion on a side door side of a seat back, and that is inflated and deployed toward a seat front side by a third inflator being activated and gas being supplied, wherein

the controller activates the third inflator after activating the second inflator.

3. The vehicle airbag system according to claim 1, wherein

the front passenger side airbag has an airbag structure in which an amount that an outside chamber that is inflated and deployed on an outside the vehicle width direction protrudes toward a vehicle rear side is larger than an amount that an inside chamber that is inflated and deployed on an inside in the vehicle width direction protrudes toward the vehicle rear side.

4. The vehicle airbag system according to claim 1, wherein

the front passenger side airbag includes an outside chamber and an inside chamber,

the outside chamber is inflated and deployed on an outside in the vehicle width direction,

the inside chamber is inflated and deployed on an inside in the vehicle width direction, and

an internal pressure of the outside chamber is set higher than an internal pressure of the inside chamber.

5. The vehicle airbag system according to claim 1, wherein

the curtain airbag includes a delay chamber and a main body portion of the curtain airbag, the delay chamber being inflated and deployed later than the main body portion of the curtain airbag, and

when an inflated and deployed state of the curtain airbag and the front passenger side airbag is viewed in a side view, the delay chamber is set in an area where the curtain airbag and the front passenger side airbag overlap.

2. (canceled)