Airbag module

US6109649A · kind A · utility

Assignee

• Petri AG, Niederlassung Berlin · DE

Inventors

• Heinz-Dieter Adomeit · Berlin, DE
• Thomas Marotzke · Hohen Neuendorf, DE
• Eleonore Braun · Berlin, DE
• Harald Jahnke · Berlin, DE

Key dates

• Filing date: Feb 2, 1998
• Grant date: Aug 29, 2000
• Expiry date: Feb 2, 2018

Classification

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

Abstract

An airbag module is provided which includes a folded gas bag, a gas generator operatively connected to the gas bag, and a gas diffusor operatively connected to the gas generator and positioned in one of the folds of the gas bag. When the gas bag deploys, it unfolds in a main unfolding direction. The gas diffusor includes large holes and a small holes for exhausting compressed gas from the gas generator into the gas bag for deployment. The large holes are located on the gas diffusor in the direction of the main unfolding direction of the gas bag.