Airbag module, airbag module arrangement in a vehicle and method for controlling the airbag module

The airbag module with a separation system and variable chamber arrangement addresses the inefficiencies of traditional designs by enabling cost-effective production and enhanced occupant protection through diverse expansion scenarios and improved energy distribution.

DE102023209564A1Pending Publication Date: 2025-04-03JOYSON SAFETY SYSTEMS GERMANY GMBH
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Patent Information

Application Number
DE102023209564
Authority / Receiving Office
DE · DE
Patent Type
Applications
Current Assignee / Owner
Filing Date
2023-09-28
Publication Date
2025-04-03

AI Technical Summary

Technical Problem

Existing airbag modules with vertically arranged chambers are not optimal for protecting occupants with varying physical designs, as they do not adequately address the impact energy distribution for different body types, and their production can be costly.

Method used

The airbag module features a gas bag with two chambers separated by a separation system, where the chambers can be connected or separated by a gas-conducting connection, allowing for variable expansion times and geometries, and is fixed using a module holder with rods or seams, enabling cost-effective production and improved occupant protection.

Benefits of technology

This design allows for diverse expansion scenarios, effectively protecting occupants by distributing impact energy and reducing the risk of injury across different body types, while minimizing production costs through efficient manufacturing processes.

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Abstract

The invention relates to an airbag module (50) comprising at least one gas generator (52), a gas bag (10) and a module holder (54) for receiving the gas generator (52) and the gas bag (10) and for fixing it to a vehicle component (41), wherein the gas bag (10) comprises a wall made of a first and second material layer (12, 14) which are connected to each other at least partially in the circumferential direction (circumferential fixing) (18) and a separating layer (15) is arranged between the first and second material layer (12, 14), which extends - with reference to a collapsed and deployed state of the gas bag (10) - substantially parallel to a plane of the first and / or second material layer (12, 14) and together with the first material layer (12) forms a first chamber (26) and together with the second material layer (14) forms a second chamber (28). Furthermore, the invention relates to an airbag module arrangement (100) in a vehicle and a method for controlling the airbag module (50).
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