Gas generating system
US8142534B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 20, 2007 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Jan 10, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/26011
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
In one aspect of the present invention, a filter is provided including a first layer of sheet material having a first base portion, and a plurality of first raised portions extending from the first base portion and defining a corresponding plurality of first openings through the first layer. A second layer of sheet material also has a second base portion and a plurality of second raised portions extending from the second base portion and defining a corresponding plurality of second openings through the sheet material. The second layer of sheet material is positioned adjacent the first layer of sheet material such that the first raised portions extend from the first base portion toward the second layer, and the second raised portions extend from the second base portion toward the first layer. A gas generating system and a vehicle occupant protection system utilizing the filter are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.