Gas generator

US7350810B2 · kind B2 · utility

Assignee

• Delphi Technologies · US

Inventors

• Uwe Blessing · Nuremberg, DE
• Jochem Gaertner · Nuremberg, DE
• Peter Lehniger · Erlangen, DE
• Marc Winterhalder · Garching an der Alz, DE

Key dates

• Filing date: Nov 29, 2005
• Grant date: Apr 1, 2008
• Expiry date: Dec 16, 2025

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2021/2648
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The present invention relates to a gas generator, in particular for airbag modules in motor vehicles, comprising a plurality of separate generator stages which can be ignited independently of one another and each of which includes in its own pressure housing at least one igniter, at least one propellant charge and at least one combustion chamber. The generator stages are arranged at least partly in a common filter housing together with a common filter unit and the space remaining in the filter housing is designed at least regionally as an outflow passage system leading from outflow apertures formed in the pressure housings to the filter unit.