Air bag gas generator and air bag apparatus
US6491320B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Aug 17, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/2648
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A gas generator for an air bag system has, in a housing provided with a gas discharge port, ignition means activated upon an impact, and gas generating means ignited and burnt by the ignition means and generate a combustion gas for inflating an air bag, and two combustion chambers storing the gas generating means. The combustion chambers are concentrically provided so as to be adjacent to each other in the radial direction of the housing, and a communicating hole which allows communication between the combustion chambers is provided, in the housing. The gas generator also has two igniters, two different gas generating means, a connector having a lead wire, a combustion chamber, ignition means provided in an inner cylindrical member, and an automatic ignition member, which can effectively restrain an occupant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.