Gas producer for air bag
US6273464A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 17, 1999 |
| Grant date | Aug 14, 2001 |
| Priority date | — |
| Expiry date | Jun 17, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60R2021/26064
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A gas generator for an airbag has a reduced number of components and in which an automatic ignition material can ignite at an appropriate time. This gas generator includes a housing, an ignition unit accommodating chamber in the housing, an ignition unit installed in the ignition unit accommodating chamber, a gas generating material, and a cooling and purifying unit. The ignition unit includes a transfer charge container and an igniter. The transfer charge container has a cup containing a transfer charge and a cover hermetically sealing the cup. The igniter is activated by a signal to ignite the transfer charge, and a generated gas is introduced into an airbag to protect an occupant against an impact. The transfer charge container includes a cup part and a cover part, either the bottom of the cup part or the cover part are outwardly curved to form an outwardly convex surface. The container is resiliently held between a top wall portion of the ignition unit accommodating chamber and the igniter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.