Patent · US Expired

Device for individual protection, comprising an airbag

US7073819B2 · kind B2 · utility

4Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 25, 2001
Grant dateJul 11, 2006
Priority date
Expiry dateApr 25, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2021/2633
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

The invention concerns a protective device comprising an airbag worn by a person, a pyrotechnic gas generator for inflating the airbag, and an actuator for the gas generator. The invention is such that the gas generator has a dual state combustion. Preferably, the generator is single-piece with single ignition. The invention device enables to provide a first inflating phase lasting about 60 ms at most, preferably between 30 and 50 ms; then a second phase maintaining inflation lasting at least a few seconds, preferably at least 4 s, more preferably still between 5 and 8 s.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.