Gas bag module

US7293799B2 · kind B2 · utility

Assignee

• TRW AUTOMOTIVE SAFETY SYSTEMS GMBH · DE

Inventors

• Joachim Fellhauer · Aschaffenburg, DE
• Markus Keutz · Roßdorf, DE
• Martin Kreuzer · Kleinwallstadt, DE
• Michael Lehmann · Mount Vernon, US
• Marcus Magoley · Aschaffenburg, DE
• Michael Schneider · Gießen, DE

Key dates

• Filing date: Apr 19, 2006
• Grant date: Nov 13, 2007
• Expiry date: May 1, 2026

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2021/23382
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A gas bag module (10) includes a gas bag (12), the gas bag having a front wall (14) facing an occupant (16) in an inflated state of said gas bag (12) and being engaged by a first end (18) of a destructible retaining element (20), the retaining element (20) at least partially preventing an unhindered motion of the front wall (14) when the gas bag (12) is inflated. The gas bag module further includes a gas generator (22) for filling the gas bag (12), the gas generator (22) having a first discharge section (24) for a through flow of a first quantity of gas. The gas generator (22) has a separate, second discharge section (26), which can have a second quantity of gas flow through it in a way that is selectively independent of a release of the first quantity of gas or has a time delay with respect to the release of the first quantity of gas, the second quantity of gas being hot gas, which flows to the retaining element (20) through the second discharge section (26) so as to cause a destruction of the retaining element (20).