Dual stage inflator
US6886856B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2003 |
| Grant date | May 3, 2005 |
| Priority date | — |
| Expiry date | Aug 20, 2023 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/2648
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An inflator for inflating an airbag has a housing with a first housing portion defining a first chamber and a second housing portion defining a second chamber. A gas generant disposed in the first and second chambers. A barrier separates the first and second chambers. Each of the chambers has an ignition enhancer tube disposed therein with a portion of an ignition unit being located therein. Each of the ignition enhancer tubes has at least one outlet defined therein. Each ignition enhancer tube holding an ignition enhancer such that when the associated ignition unit ignites the ignition enhancer combusts and exits through said outlet and then reacts with the gas generant in the associated chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.