Gas generator for air bag
US7648163B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2005 |
| Grant date | Jan 19, 2010 |
| Priority date | — |
| Expiry date | Mar 19, 2026 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/2648
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
The air bag gas generator comprises a housing having a gas discharge port, an ignition unit chamber in which ignition units are accommodated, and a combustion chamber in which a gas generating agent is accommodated, a cylindrical coolant/filter disposed between the combustion chamber and the gas discharge port, so that combustion gas passes through the coolant/filter prior to discharge through the gas discharge port, and the air bag gas generator meeting the following requirements (a), (b), and (c):(a) that the gas generating agent has an amount of heat generation of 10 to 30 kcal/mol;(b) that the mass (g) of the coolant/filter in relation to 1 mol of gas generated during combustion of the gas generating agent be 20 to 65 g/mol; and(c) that the coolant/filter has a thickness of not less than 4.0 mm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.