Airbag arrangement for a motor vehicle

• US 7,695,011 B2
• Filed: 06/09/2008
• Issued: 04/13/2010
• Est. Priority Date: 09/27/2005
• Status: Expired due to Fees

• Current Assignee: Takata-Petri AG
• Original Assignee: Takata-Petri AG
• Inventors: Siegel, Wolfgang
• Primary Examiner(s): Dickson; Paul N.
• Assistant Examiner(s): Spisich; George D.
• Application Number:
  US12/155,735
• Publication Number:
  US 20080238061A1
• Time in Patent Office: 673 Days
• Field of Search: 280/728.2, 280/730.2, 280/740, 280/742, 280/736, 280/729
• US Class Current: 280/740
• CPC Class Codes: B60R 2021/23123 Heat protection panels
• CPC Class Codes: B60R 2021/2617 Curtain bag nozzles
• CPC Class Codes: B60R 21/217 Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
• CPC Class Codes: B60R 21/231 characterised by their shape, construction or spatial configuration

Abstract

An airbag can include a covering that surrounds an interior space that can be filled with gas, a gas-conducting pipe which is stretched longitudinally along a direction of extent, and a contact region of the covering that surrounds the inflow opening and encloses the gas-conducting pipe in a sealing manner along a circumferential direction of the gas-conducting pipe that encircles the direction of extent. A protective layer of the covering can be arranged, at least in some sections in the interior space of the covering, with respect to the gas-conducting pipe so that damage to the covering during filling of the interior space of the covering with hot gas can be prevented by the protective layer. At least one fastening region of the protective layer, via which the protective layer can be connected to the covering, can be connected to the contact region of the covering.

Claims

1. Airbag arrangement for a motor vehicle, comprising:

an inflatable airbag;

a gas-conducting pipe with which gas released by a gas generator can be conducted into the airbag to inflate it, wherein

the gas-conducting pipe comprises an end region with a free end on which an outflow opening is located; and

a profile that is fixed to the free end of the gas-conducting pipe and that comprises a covering surface which lies opposite the outflow opening, the profile configured in a L-shape such that a profile base extends from one side of the gas-conducting pipe at the outflow opening and parallel with an axial direction of the gas-conducting pipe, the covering surface extending parallel to the outflow opening and configured such that gas is prevented from passing through the covering surface and the airbag is prevented from entering the outflow opening, and

wherein the end region of the gas-conducting pipe with the outflow opening and the profile are positioned in the inflatable airbag at a contact region of the airbag.

2. Airbag arrangement as claimed in claim 1, wherein the covering surface is distanced from the outflow opening.

3. Airbag arrangement as claimed in claim 1, wherein the profile is fixed to the end region of the gas-conducting pipe and adjacent to the outflow opening.

4. Airbag arrangement as claimed in claim 1, wherein the gas-conducting pipe has an essentially cylindrical shape.

5. Airbag arrangement, comprising:

an inflatable airbag;

a gas-conducting pipe with which gas released by a gas generator can be conducted into the airbag to inflate it, the gas-conducting pipe comprising an end region on which an outflow opening is located; and

a profile that is fixed to the gas-conducting pipe and includes a covering surface which lies opposite the outflow opening,

wherein an end region of the gas-conducting pipe with the outflow opening and the profile are positioned in the inflatable airbag at a contact region of the airbag, the contact region including a protective layer that comprises at least one fastening region that connects the protective layer to a covering of the airbag.