IP Library › Granted Patent US 10,994,691
Granted Patent B2
US 10,994,691 · App. 16/340,232 · Granted May 4, 2021

Airbag

Inventors: Malgorzata Wasilewska (Lubsza, PL); Maciej Matynski (Olawa, PL); Magdalena Petecka (Jelenia Gora, PL); Siecla Przemyslaw (Rawicz, PL)
Assignee: AUTOLIV DEVELOPMENT AB
B60R21/233B60R21/2338B60R2021/23169B60R2021/23308
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Quick Facts
Patent No.
US 10,994,691
App. No.
16/340,232
Granted
May 4, 2021
Kind
B2
Abstract

An airbag having an outer skin enclosing a gas space. The outer skin has a first side wall ( 11 ) and a second side wall ( 12 ). The first side wall ( 11 ) and second side wall ( 12 ) are connected to one another at a first end ( 71 ), the first side wall ( 11 ) extends from the first end ( 71 ) to a second end ( 72 ), the second side wall ( 12 ) extends from the first end ( 71 ) to a third end ( 73 ), a third side wall ( 23 ) extends from the second end ( 72 ) of the first side wall ( 11 ) to a fourth end ( 74 ), and a fourth side ( 24 ) wall extends from the fourth end ( 74 ) to the third end ( 73 ) of the second side wall ( 12 ). The third side wall ( 23 ) is separate from the first side wall ( 11 ) and extends from a fifth end ( 75 ) connected to at least a portion of the second end ( 72 ) of the first side wall ( 11 ) by a first seam ( 81 ). The fourth side wall ( 24 ) is separate from the second side wall ( 12 ) and extends from a sixth end ( 76 ) connected to at least a portion of the third end ( 73 ) of the second side wall ( 12 ) by a second seam ( 82 ).

Claims (19)

1. An airbag having an outer skin enclosing a gas space, the outer skin comprising:

a first side wall and a second side wall, wherein the first side wall and the second side wall are connected to one another at a first end,

the first side wall extends from the first end to a second end,

the second side wall extends from the first end to a third end,

a third side wall extending from the second end of the first side wall to a fourth end, and

a fourth side wall extending from the fourth end to the third end of the second side wall,

the third side wall is separate from the first side wall, the third side wall extending from a fifth end being connected to at least a portion of the second end of the first side wall by a first seam, and

the fourth side wall is separate from the second side wall, the fourth side wall extending from a sixth end being connected to at least a portion of the third end of the second side wall by a second seam,

wherein two first closing seams each have a first section connecting the third side wall and the fourth side wall, and a second section connecting the third side wall and the second side wall such that, in the second section of the first closing seams, the third side wall is directly attached to the second side wall.

2. The airbag of claim 1 further comprising, a tether extending between the first seam and the second seam through the gas space and divides the gas space into a first chamber and a second chamber.

3. The airbag of claim 1 further comprising, the first side wall and the second side wall are made from a first single cutting such that the first end forms a fold when the airbag is in an un-deployed state.

4. The airbag of claim 1 further comprising, the third side wall and the fourth side wall are made from a second single cutting such that the fourth end forms a fold when the airbag is in an un-deployed state.

5. The airbag of claim 1 further comprising, a deflector connected to the third side wall and the fourth side wall.

6. The airbag of claim 1 further comprising, at least one additional tether extending between the first side wall and the second side wall.

7. The airbag of claim 1 further comprising, the third side wall comprises an additional fold pointing towards the first end when the airbag is in an un-deployed state.

8. The airbag of claim 1 further comprising, two second closing seams, each having a first section connecting the third side wall and the first side wall and a second section connecting the first side wall and the second side wall.

9. The airbag of claim 1 further comprising, widths of the first and second side walls exceed a width of the fourth side wall.

10. The airbag of claim 1 further comprising, a distance between the first end and the second end exceeds a distance between the first end and the third end.

11. The airbag of claim 1 further comprising, the airbag in a deployed state has a L-shaped cross-section.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 8, 2019
From: WASILEWSKA, MALGORZATA; MATYNSKI, MACIEJ; PETECKA, MAGDALENA; PRZEMYSLAW, SIECLA
To: AUTOLIV DEVELOPMENT AB
Reel/Frame 048819/0530 →
Priority Claims (1)
DE 10 2016 119 613.4 · Oct 14, 2016 · national
Continuity (1)
Related Publication 20200047702A1 · Feb 13, 2020
Cited By (2)
US 12,202,426 US 12,623,626