Patent · US Active

Gas generator, in particular for a vehicle occupant protection system, spring for arranging in a gas generator, airbag module, and vehicle occupant protection system

US10793099B2 · kind B2 · utility

1Cited by

13References

18Claims

0Family size

Assignee

TRW AIRBAG SYSTEMS GMBH · DE

Inventors

Anja Esau · Mühldorf a. Inn, DE
Anton Greissl · Gars am Inn, DE

Key dates

Filing date	Sep 29, 2016
Grant date	Oct 6, 2020
Priority date	—
Expiry date	Nov 12, 2036

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60R2021/26064
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

The invention relates to a gas generator (10), in particular for a vehicle occupant protection system, comprising at least an igniter (15) and a combustion chamber (17) containing a pyrotechnic solid fuel bed (18), wherein a spring (30) is arranged in the combustion chamber (17), which spring can be elongated in the direction of an end (22) of the combustion chamber (17) remote from the igniter (16) by a gas flow produced when the gas generator (10) is activated. According to the invention, the spring (30) has a plurality of spring segments (31, 32, 33) having outside diameters (Q1, Q2, Q3) of different size.

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