Lower side piller passenger inflatable safety restraint assembly

• US 7,380,815 B2
• Filed: 04/05/2004
• Issued: 06/03/2008
• Est. Priority Date: 04/05/2004
• Status: Expired due to Fees

• Current Assignee: Autoliv ASP Incorporated (Autoliv Incorporated)
• Original Assignee: Autoliv ASP Incorporated (Autoliv Incorporated)
• Inventors: Crookston, Jesse R., Rose, Larry D.
• Primary Examiner(s): Hurley; Kevin
• Assistant Examiner(s): Wilhelm; Timothy
• Application Number:
  US10/818,294
• Publication Number:
  US 20050218634A1
• Time in Patent Office: 1,520 Days
• Field of Search: 280/730.2, 280/728.2, 280/730.1
• US Class Current: 280/730.2
• CPC Class Codes: B60R 2021/0004 Frontal collision
• CPC Class Codes: B60R 21/205 in dashboards
• CPC Class Codes: B60R 21/213 in vehicle roof frames or pillars
• CPC Class Codes: B60R 21/2165 characterised by a tear line for defining a deployment opening
• CPC Class Codes: B60R 21/231 characterised by their shape, construction or spatial configuration

Abstract

An inflatable safety restraint assembly for a vehicle having a front instrument panel and a side pillar. The inflatable safety restraint assembly includes an inflator device and a gas flow control structure connected in gas flow communication to the inflator device to receive inflation gas supplied by the inflator device. The inflatable safety restraint assembly also includes an airbag cushion that is connected in gas flow communication to the gas flow control structure. Upon activation of the inflator device, initial deployment of the airbag cushion occurs from a lower portion of the side pillar. The initial deployment of the airbag cushion occurs in a cross-vehicle direction toward a longitudinal centerline of the vehicle.

Claims

1. An inflatable safety restraint assembly for a vehicle, the vehicle having a side pillar, a front instrument panel and a vehicle passenger cabin, the inflatable safety restraint assembly comprising:

an inflator device; and

an airbag cushion connected in gas flow communication with the inflator device;

wherein the airbag cushion is a side mounted frontal impact airbag cushion, in a static state a first portion of the airbag cushion is disposed in a lower portion of the side pillar of the vehicle and a second portion of the airbag cushion is disposed below the front instrument panel, and initial deployment of the airbag cushion from the side pillar into the vehicle passenger cabin occurs only below an upper portion of the side pillar, the upper portion of the side pillar being an upper 50 percent of the total length of the side pillar.

2. The inflatable safety restraint assembly of claim 1 wherein initial deployment of the airbag cushion occurs from the lower portion of the side pillar.

3. The inflatable safety restraint assembly of claim 2 wherein the initial deployment of the airbag cushion occurs in a direction toward a longitudinal centerline of the vehicle.

4. The inflatable safety restraint assembly of claim 2 wherein the airbag cushion deploys through a rupturable airbag deployment area of the side pillar.

5. The inflatable safety restraint assembly of claim 1 wherein the vehicle additionally comprises a front instrument panel and the inflator device is disposed below at least one of the side pillar and the front instrument panel.

6. The inflatable safety restraint assembly of claim 1 additionally comprising a gas flow control structure connecting the airbag cushion in gas flow communication with the inflator device, wherein at least a portion of the gas flow control structure is disposed within the lower portion of the side pillar.

7. The inflatable safety restraint assembly of claim 6 wherein the side pillar includes a frame, the airbag cushion is secured to the gas flow control structure and the gas flow control structure is secured to the frame.

8. The inflatable safety restraint assembly of claim 6 wherein only the portion of the gas flow control structure disposed within the lower portion of the side pillar includes at least one inflation gas exit hole in inflation communication with an inflation chamber of the airbag cushion, the at least one inflation gas exit hole disposed on a side of the gas flow control structure toward a longitudinal centerline of the vehicle.

9. The inflatable safety restraint assembly of claim 8 additionally comprising a storage housing defining a storage chamber, the storage chamber having a chamber opening at one end, the storage housing connected to the gas flow control structure and disposed below the vehicle instrument panel, wherein in a static state the airbag cushion second portion is at least partially disposed within the storage chamber.

10. The inflatable safety restraint assembly of claim 9 wherein the vehicle additionally comprises a rupturable airbag deployment area, the airbag deployment area having a first deployment area portion in the lower portion of the side pillar and a second deployment area portion in the instrument panel of the vehicle.

11. The inflatable safety restraint assembly of claim 8 wherein in a static state a first portion of the airbag cushion is disposed in the lower portion of the side pillar and a second portion of the airbag cushion is disposed in an upper portion of the side pillar.

12. The inflatable safety restraint assembly of claim 11 additionally comprising a deployment guide having a guide opening, the deployment guide attached to the gas flow control structure between the at least one gas exit hole and the upper portion of the side pillar, wherein in a static state a portion of the airbag cushion extends through the guide opening.

13. The inflatable safety restraint assembly of claim 11 wherein the entire airbag cushion is disposed in the side pillar.

14. The inflatable safety restraint assembly of claim 1 wherein the side pillar is a vehicle passenger side A-pillar.

15. The inflatable safety restraint assembly of claim 1 wherein the inflator device is a dual stage inflator device.

16. An inflatable safety restraint assembly for a vehicle having a front instrument panel, a side pillar and a vehicle passenger cabin, the inflatable safety restraint assembly comprising:

an inflator device;

a gas flow control structure connected in gas flow communication to the inflator device to receive inflation gas supplied by the inflator device;

a storage housing attached to the gas flow control structure, the storage housing defining a storage chamber; and

an airbag cushion connected in gas flow communication to the gas flow control structure;

wherein a portion of the gas flow control structure is disposed in the side pillar, the storage housing is disposed below the front instrument panel, in a static state a first portion of the airbag cushion is disposed in the side pillar and a second portion of the airbag cushion is disposed in the storage chamber, and initial deployment of the airbag cushion from the side pillar into the vehicle passenger cabin occurs only below an upper portion of the side pillar, the upper portion of the side pillar being an upper 50 percent of the total length of the side pillar.

17. The inflatable safety restraint assembly of claim 16 wherein the airbag cushion is a side mounted frontal impact airbag cushion.

18. The inflatable safety restraint assembly of claim 16 wherein initial deployment of the airbag cushion occurs from the lower portion of the side pillar.

19. The inflatable safety restraint assembly of claim 18 wherein the initial deployment of the airbag cushion occurs in a direction toward a longitudinal centerline of the vehicle.

20. The inflatable safety restraint assembly of claim 18 wherein the airbag cushion deploys through a rupturable airbag deployment area of the side pillar.

21. The inflatable safety restraint assembly of claim 16 wherein the portion of the gas flow control structure disposed within the lower portion of the side pillar includes at least one inflation gas exit hole in inflation communication with an inflation chamber of the airbag cushion, the at least one inflation gas exit hole disposed on a side of the gas flow control structure toward a longitudinal centerline of the vehicle.

22. The inflatable safety restraint assembly of claim 16 wherein the vehicle additionally comprises a rupturable airbag deployment area, the airbag deployment area having a first deployment area portion in the lower portion of the side pillar and a second deployment area portion in the instrument panel of the vehicle.

23. The inflatable safety restraint assembly of claim 16 wherein the side pillar is a vehicle passenger side A-pillar.

24. The inflatable safety restraint assembly of claim 16 wherein the inflator device is a dual stage inflator device.