Compact dual nozzle air bag inflator
US6447007B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 28, 2000 |
| Grant date | Sep 10, 2002 |
| Priority date | — |
| Expiry date | Mar 28, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R21/2644
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A multi-level output inflator for inflating an airbag in the event of a vehicle crash, comprising a housing, a wall section disposed in the housing to define separate primary and secondary combustion chambers therein. A primary initiator and primary propellant are disposed within the primary combustion chamber, and a secondary initiator and secondary propellant are disposed with the secondary combustion chamber. The housing comprises a primary nozzle in communication with the primary combustion chamber, and a secondary nozzle in communication with the secondary combustion chamber. The primary and secondary initiators may be fired separately, simultaneously, or in a timed sequence to inflate the air bag at different rates and levels depending on the nature of the vehicle crash. A method of assembling the components of the inflator is also described and covered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.