Extended output inflator device
US7594676B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 31, 2006 |
| Grant date | Sep 29, 2009 |
| Priority date | — |
| Expiry date | Sep 13, 2027 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/2685
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An inflation device for inflating an inflatable cushion of all airbag module, the inflation device having: a first chamber having a first volume of inflation gas; a second chamber having a second volume of inflation gas; a first inflation opening for allowing the first volume of inflation gas to pass therethrough and a first sealing member, the first sealing member sealing the first inflation opening; a second inflation opening for allowing the second volume of inflation gas to pass therethrough and a mechanically activateable pyrotechnic squib sealing the second inflation opening; a diffuser tube in fluid communication with the first inflation opening, the second inflation opening and the inflatable cushion; an initiator for removing a portion of the first sealing member from the first inflation opening; a projectile moveably disposed within the diffuser tube, the projectile further comprising a tip portion configured to activate the pyrotechnic squib when the projectile is moved from a first position to a second position wherein the tip portion makes contact with the mechanically activateable pyrotechnic squib when the projectile is moved from the first position to the second pos…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.