Hybrid gas generator

US6896287B2 · kind B2 · utility

Assignee

• TRW AIRBAG SYSTEMS GMBH · DE

Inventors

• Detlef Last · Markt Indersdorf, DE
• Wolfram Seebeck · Veitsbronn, DE
• Horst Laucht · Bruckmühl, DE
• Johann Seidl · Töging, DE

Key dates

• Filing date: Dec 18, 2002
• Grant date: May 24, 2005
• Expiry date: Jan 19, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60R2021/2685
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A hybrid gas generator for use in a vehicle occupant restraint device comprises at least one combustion chamber containing a pyrotechnic charge, and at least one fluid chamber containing a fluid. Several movable pistons are provided which push the fluid out from the at least one fluid chamber. The pistons are able to be set in motion independently of each other and/or in any activation sequence desired.